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solid #e1e1e1;margin-top:10px;}.msgBodyReplyListTop{border-top:0;}.reply_like_num{float:right;font-size:14px;color:#c7c7c7;}.msgData{margin-top:20px;color:#626262;}.msgData span{font-size:14px;padding-right:15px;}.msgData .likes{float:right;padding-right:0;}.js_text_content p{font-size:18px;}.rich_media_meta_link{font-size:15px;}blockquote {padding-left: 10px;border-left: 3px solid #dbdbdb;color: rgba(0,0,0,0.5);font-size: 15px;padding-top: 4px;margin: 1em 0;}.video_iframe{width:500px;height:400px;}.blockquote_info{color:#b5b5b5;margin-top:10px;}#copyright_logo{color:#bdbdbd;}.rich_media_meta_list{margin-bottom:10px;}.reprint{background:#efefef;border-radius:5px;padding:8px;color:#1f1f1f;}.reprint a{word-break:break-all;}.topic{color:#8e8e8e;background:#f7f7f7;border-radius:5px;padding:10px 8px;}.topic a{padding-right:5px;}.topic p{margin-bottom:5px;}\n<\/style>\n<link href=\"https:\/\/www.juyifx.cn\/config\/css\/wxArticle.css\" rel=\"stylesheet\"\/>\n<\/head><script>\nvar 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id=\"js_name\">\u751f\u4fe1\u679c <\/a><\/span><em id=\"publish_time\" class=\"rich_media_meta rich_media_meta_text\">2023-07-08 19:00:57<\/em><\/div>\n<p><content><\/p>\n<div class=\"reprint\">\n<p>\u8f6c\u81ea\u516c\u4f17\u53f7\uff1aR\u8bed\u8a00\u5b66\u5f92<br \/><a href=\"http:\/\/mp.weixin.qq.com\/s?__biz=Mzg5MDk3Mzg4OA==&mid=2247484389&idx=1&sn=b4a220303e54c38b0e4543963315961d\" target=\"_blank\" title=\"\u9605\u8bfb\u539f\u6587\" rel=\"noopener\">http:\/\/mp.weixin.qq.com\/s?__biz=Mzg5MDk3Mzg4OA==&mid=2247484389&idx=1&sn=b4a220303e54c38b0e4543963315961d<\/a><\/p>\n<\/div>\n<section style=\"font-size: 16px;letter-spacing: normal;white-space: normal;caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);margin-bottom: 24px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 20px;margin-bottom: 25px;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;align-self: flex-start;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(249, 172, 172);box-shadow: rgb(249, 172, 172) 0px 0px 5px 3px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: center;transform: translate3d(2px, 0px, 0px);margin-top: -14px;margin-bottom: -14px;\">\n<p>{ \u70b9\u51fb\u84dd\u5b57\uff0c\u5173\u6ce8\u6211\u4eec }<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section powered-by=\"xiumi.us\">\n<p>\u5927\u5bb6\u597d\uff0c\u672c\u671f\u5c0f\u5e08\u59b9\u5c06\u901a\u8fc7\u51e0\u9053\u9898\u76ee\u5e2e\u52a9\u5927\u5bb6\u66f4\u597d\u5730\u638c\u63e1\u4e4b\u524d\u4ecb\u7ecd\u8fc7\u7684\u77e5\u8bc6\u3002<\/p>\n<p><br \/><\/p>\n<p><span style=\"color: rgb(239, 135, 135);\"><strong>\u7b2c\u4e00\u9898\uff1a\u5408\u5e76\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u5411\u91cf\uff0c\u5e76\u544a\u8bc9\u6211\u5411\u91cf\u5408\u5e76\u540e\u7684\u6570\u636e\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f<\/strong><\/span><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">char_vector<-<span class=\"code-snippet__built_in\">c<\/span>(<span class=\"code-snippet__string\">\"zhangsan\"<\/span>,<span class=\"code-snippet__string\">\"lisi\"<\/span>,<span class=\"code-snippet__string\">\"wangwu\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">num_vector<-<span class=\"code-snippet__built_in\">c<\/span>(<span class=\"code-snippet__number\">1<\/span>,<span class=\"code-snippet__number\">2<\/span>,<span class=\"code-snippet__number\">3<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">combined_vector<-<span class=\"code-snippet__built_in\">c<\/span>(char_vector,num_vector)<\/span><\/code><code><span class=\"code-snippet_outer\">combined_vector<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">###\u5408\u5e76\u540e\u7684\u5411\u91cf\u5305\u542b\u4e86\u5b57\u7b26\u7c7b\u578b\u548c\u6570\u503c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u4f46\u662f\u6570\u503c\u7c7b\u578b\u7684\u6570\u636e\u88ab\u8f6c\u6362\u6210\u4e86\u5b57\u7b26\u7c7b\u578b\u3002<\/span><\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><br \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.17037037037037037\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/1_cSjDM65mX9D7Bo0r9FDtAbLF1ZTIXQ.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVD66LCvT4g7L9xSPpuLApFgdCicSjDM65mX9D7Bo0r9FDtAbLF1ZTIXQ\/640?wx_fmt=png'\" data-type=\"gif\" data-w=\"1080\" style=\"\" \/><\/p>\n<section powered-by=\"xiumi.us\" style=\"color: rgb(239, 135, 135);\">\n<p><strong><br \/><\/strong><\/p>\n<p><strong>\u7b2c\u4e8c\u9898\uff1ax\u662f-1\u52301\u4e4b\u95f4\u5747\u5300\u5206\u5e03\u7684\u957f\u5ea6\u4e3a100\u7684\u5411\u91cf\uff0c\u8bf7\u5199\u7a0b\u5e8f\u5b9a\u4e49\u4e00\u4e2a\u5411\u91cfy\uff0cy=1-x,x<0\uff1by=1+x,x>=0<\/strong><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">x<-runif(<span class=\"code-snippet__number\">100<\/span>,-<span class=\"code-snippet__number\">1<\/span>,<span class=\"code-snippet__number\">1<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">get_y<-<span class=\"code-snippet__keyword\">function<\/span>(x){<\/span><\/code><code><span class=\"code-snippet_outer\">ifelse(x<<span class=\"code-snippet__number\">0<\/span>,<span class=\"code-snippet__number\">1<\/span>-x,<span class=\"code-snippet__number\">1<\/span>+x)<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\">y<-get_y(x)<\/span><\/code><code><span class=\"code-snippet_outer\">y<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.44351851851851853\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/2_2ZQroVJCGO4ehL17Wyibue4PGvcBhw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/3_2ZQroVJCGO4ehL17Wyibue4PGvcBhw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVI34pFhuibefnHgeGBvw1KcewvZ2ZQroVJCGO4ehL17Wyibue4PGvcBhw\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 0px;\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.44351851851851853\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/2_2ZQroVJCGO4ehL17Wyibue4PGvcBhw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/3_2ZQroVJCGO4ehL17Wyibue4PGvcBhw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVI34pFhuibefnHgeGBvw1KcewvZ2ZQroVJCGO4ehL17Wyibue4PGvcBhw\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"1080\" style=\"\"><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong><br \/><\/strong><\/span><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#3.\u5199\u7a0b\u5e8f\u5b9a\u4e49\u53d8\u91cfages\uff0c\u8868\u793a100\u4e2a20~70\u5c81\u7684\u6210\u5e74\u4eba\u5e74\u9f84\uff0c\u5e76\u4ee5\u6bcf10\u5c81\u4f5c\u4e3a\u533a\u95f4\u7edf\u8ba1\u5404\u4e2a\u5e74\u9f84\u6bb5\u7684\u4eba\u6570<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">ages<-sample(<span class=\"code-snippet__number\">20<\/span>:<span class=\"code-snippet__number\">70<\/span>,replace = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">age_groups<-cut(ages,seq(<span class=\"code-snippet__number\">20<\/span>,<span class=\"code-snippet__number\">70<\/span>,<span class=\"code-snippet__number\">10<\/span>))<\/span><\/code><code><span class=\"code-snippet_outer\">age_counts<-table(age_groups)<\/span><\/code><code><span class=\"code-snippet_outer\">age_counts<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.32407407407407407\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_KHmPUhaSxicB5Ia8icIKfZheRUkZOw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/5_KHmPUhaSxicB5Ia8icIKfZheRUkZOw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVgIafhvjq8vXHnyOUiaVBnPTngBEKHmPUhaSxicB5Ia8icIKfZheRUkZOw\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 0px;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.32407407407407407\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_KHmPUhaSxicB5Ia8icIKfZheRUkZOw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/5_KHmPUhaSxicB5Ia8icIKfZheRUkZOw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVgIafhvjq8vXHnyOUiaVBnPTngBEKHmPUhaSxicB5Ia8icIKfZheRUkZOw\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"1080\" style=\"\" data-recalc-dims=\"1\"><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#4.\u5199\u7a0b\u5e8f\u751f\u621010*10\u7684\u5355\u4f4d\u77e9\u9635\u548c\u5bf9\u89d2\u7ebf\u4e0a\u5206\u522b\u4e3a1:10\u7684\u5bf9\u89d2\u77e9\u9635<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">unit_matrix<-diag(<span class=\"code-snippet__number\">10<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">unit_matrix<\/span><\/code><code><span class=\"code-snippet_outer\">diag_matrix<-diag(<span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">10<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">diag_matrix<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.8440797186400938\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_DOkmZCRklUK57Uc55RKJvBn82pMBIw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/7_DOkmZCRklUK57Uc55RKJvBn82pMBIw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVgCRgo2f2t4ocVs5NStDhibb5lDOkmZCRklUK57Uc55RKJvBn82pMBIw\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"853\" style=\"vertical-align: middle;width: 0px;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.8440797186400938\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_DOkmZCRklUK57Uc55RKJvBn82pMBIw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/7_DOkmZCRklUK57Uc55RKJvBn82pMBIw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVgCRgo2f2t4ocVs5NStDhibb5lDOkmZCRklUK57Uc55RKJvBn82pMBIw\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"853\" style=\"\" data-recalc-dims=\"1\" \/><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#5.\u5199\u7a0b\u5e8f\u751f\u6210\u5982\u4e0b\u77e9\u9635\uff0c\u5e76\u7528apply\u547d\u4ee4\u6309\u5217\u8fdb\u884c\u6c42\u548c<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">A<-matrix(<span class=\"code-snippet__built_in\">c<\/span>(<span class=\"code-snippet__literal\">NA<\/span>,<span class=\"code-snippet__number\">9<\/span>,<span class=\"code-snippet__number\">17<\/span>,<span class=\"code-snippet__number\">25<\/span>,<span class=\"code-snippet__number\">3<\/span>,<span class=\"code-snippet__literal\">NA<\/span>,<span class=\"code-snippet__number\">19<\/span>,<span class=\"code-snippet__number\">27<\/span>,<span class=\"code-snippet__number\">5<\/span>,<span class=\"code-snippet__number\">13<\/span>,<span class=\"code-snippet__literal\">NA<\/span>,<span class=\"code-snippet__number\">29<\/span>,<span class=\"code-snippet__number\">7<\/span>,<span class=\"code-snippet__number\">15<\/span>,<span class=\"code-snippet__number\">23<\/span>,<span class=\"code-snippet__literal\">NA<\/span>),ncol=<span class=\"code-snippet__number\">4<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">A<\/span><\/code><code><span class=\"code-snippet_outer\">apply(A, <span class=\"code-snippet__number\">2<\/span>, <span class=\"code-snippet__built_in\">sum<\/span>,na.rm=<span class=\"code-snippet__built_in\">T<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.2564814814814815\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/8_36ksOuEeYwzQZz1nzQniccl8zPpDGA.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/9_36ksOuEeYwzQZz1nzQniccl8zPpDGA.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVyQxpq9QFyUVYJYDbV6tqMMZmV36ksOuEeYwzQZz1nzQniccl8zPpDGA\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 0px;\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.2564814814814815\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/8_36ksOuEeYwzQZz1nzQniccl8zPpDGA.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/9_36ksOuEeYwzQZz1nzQniccl8zPpDGA.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVyQxpq9QFyUVYJYDbV6tqMMZmV36ksOuEeYwzQZz1nzQniccl8zPpDGA\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"1080\" style=\"\" \/><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#6.\u5229\u7528R\u5185\u90e8mtcars\u6570\u636e\uff0c\u8ba1\u7b97mpg\u3001 drat\u548cwt\u5217\u6570\u636e\u7684\u4e2d\u4f4d\u503c\uff08median\uff09\u3001\u5e73\u5747\u503c\uff08mean\uff09\u53ca\u6807\u51c6\u5dee\uff08sd\uff09\uff1b\u5e76\u6309cyl\u5206\u7ec4\uff0c\u8ba1\u7b97\u4e0d\u540c\u7ec4\u522b\u7684mpg\u3001 drat\u548cwt\u5217\u6570\u636e\u7684\u5e73\u5747\u503c(mean)<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">library(dplyr)<\/span><\/code><code><span class=\"code-snippet_outer\">mpg_median <- median(mtcars$mpg)<\/span><\/code><code><span class=\"code-snippet_outer\">mpg_mean <- mean(mtcars$mpg)<\/span><\/code><code><span class=\"code-snippet_outer\">mpg_sd <- sd(mtcars$mpg)<\/span><\/code><code><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code><span class=\"code-snippet_outer\">drat_median <- median(mtcars$drat)<\/span><\/code><code><span class=\"code-snippet_outer\">drat_mean <- mean(mtcars$drat)<\/span><\/code><code><span class=\"code-snippet_outer\">drat_sd <- sd(mtcars$drat)<\/span><\/code><code><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code><span class=\"code-snippet_outer\">wt_median <- median(mtcars$wt)<\/span><\/code><code><span class=\"code-snippet_outer\">wt_mean <- mean(mtcars$wt)<\/span><\/code><code><span class=\"code-snippet_outer\">wt_sd <- sd(mtcars$wt)<\/span><\/code><code><span class=\"code-snippet_outer\">mtcars %>%<\/span><\/code><code><span class=\"code-snippet_outer\">group_by(cyl) %>%<\/span><\/code><code><span class=\"code-snippet_outer\">summarise(mpg_mean = mean(mpg), drat_mean = mean(drat), wt_mean = mean(wt))<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.46944444444444444\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/10_jiav2mD9N1sCPtcIPt1w33mjt4bqzQ.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/11_jiav2mD9N1sCPtcIPt1w33mjt4bqzQ.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVPSgRYiaGSXJ7icxUcPCv4rugjCxjiav2mD9N1sCPtcIPt1w33mjt4bqzQ\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 0px;\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.46944444444444444\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/10_jiav2mD9N1sCPtcIPt1w33mjt4bqzQ.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/11_jiav2mD9N1sCPtcIPt1w33mjt4bqzQ.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVPSgRYiaGSXJ7icxUcPCv4rugjCxjiav2mD9N1sCPtcIPt1w33mjt4bqzQ\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"1080\" style=\"\" \/><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#7.\u5199\u7a0b\u5e8f\u751f\u6210\u4ece1\u5230100\u7684\u6574\u6570\uff0c\u82e5\u6570\u5b57\u4e3a7\u7684\u500d\u6570\uff0c\u6253\u5370\u6570\u5b57\uff0c\u82e5\u6570\u5b57\u4e3a9\u7684\u500d\u6570\uff0c\u6253\u5370’NA’ \uff0c\u5176\u4f59\u60c5\u51b5\u4e0d\u8f93\u51fa\u3002<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (i <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">100<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">if<\/span> (i %% <span class=\"code-snippet__number\">7<\/span> == <span class=\"code-snippet__number\">0<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\">cat(i, <span class=\"code-snippet__string\">\"n\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">} <span class=\"code-snippet__keyword\">else<\/span> <span class=\"code-snippet__keyword\">if<\/span> (i %% <span class=\"code-snippet__number\">9<\/span> == <span class=\"code-snippet__number\">0<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\">cat(<span class=\"code-snippet__string\">\"NA\"<\/span>, <span class=\"code-snippet__string\">\"n\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"1.6402777777777777\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/12_4ZZ5OhedbFOibTEqgl73oE6eGOLicg.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/13_4ZZ5OhedbFOibTEqgl73oE6eGOLicg.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVicSKOBb1PFbGKppWAlnntSuFspy4ZZ5OhedbFOibTEqgl73oE6eGOLicg\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"720\" style=\"vertical-align: middle;width: 0px;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"1.6402777777777777\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/12_4ZZ5OhedbFOibTEqgl73oE6eGOLicg.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/13_4ZZ5OhedbFOibTEqgl73oE6eGOLicg.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVicSKOBb1PFbGKppWAlnntSuFspy4ZZ5OhedbFOibTEqgl73oE6eGOLicg\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"720\" style=\"width: 251px;height: 412px;\" data-recalc-dims=\"1\" \/><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#2.\u5199\u7a0b\u5e8f\u8f93\u51fa\u4e0b\u4e09\u89d2\u8868\u793a\u7684\u4e5d\u4e5d\u4e58\u6cd5\u8868\u3002<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\"># \u751f\u6210\u4e5d\u4e5d\u4e58\u6cd5\u8868<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">result <- matrix(<span class=\"code-snippet__number\">0<\/span>, nrow = <span class=\"code-snippet__number\">9<\/span>, ncol = <span class=\"code-snippet__number\">9<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (i <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">9<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (j <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:i) {<\/span><\/code><code><span class=\"code-snippet_outer\">result[i, j] <- i * j<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\"># \u6253\u5370\u4e0b\u4e09\u89d2\u5f62\u5f0f\u7684\u4e5d\u4e5d\u4e58\u6cd5\u8868<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (i <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">9<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (j <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:i) {<\/span><\/code><code><span class=\"code-snippet_outer\">cat(i,<span class=\"code-snippet__string\">'*'<\/span>,j,<span class=\"code-snippet__string\">'='<\/span>,result[i, j], <span class=\"code-snippet__string\">\"t\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\">cat(<span class=\"code-snippet__string\">\"n\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\">\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u671f\u5c0f\u5e08\u59b9\u5e26\u5b66\u7684\u5185\u5bb9\u5566\u3002\u8bf7\u6301\u7eed\u5173\u6ce8\u5c0f\u5e08\u59b9\uff0c\u6211\u4eec\u4e0b\u671f\u89c1~<\/p>\n<p>\u7b5b\u9009\u514d\u75ab\u57fa\u56e0\u5bf9\u5c0f\u5de5\u5177\uff1awww.biocloudservice.com\/589\/589.php<\/p>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"text-align: center;justify-content: center;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;flex: 100 100 0%;height: auto;align-self: center;margin-right: 10px;\">\n<section powered-by=\"xiumi.us\" style=\"margin-top: 10px;margin-bottom: 10px;\">\n<section style=\"background-color: rgb(249, 172, 172);height: 1px;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;border-width: 1px;border-style: solid;border-color: rgb(249, 172, 172);padding-right: 8px;padding-left: 8px;margin-right: 10px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: justify;color: rgb(249, 172, 172);\">\n<p>E<\/p>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;border-width: 1px;border-style: solid;border-color: rgb(249, 172, 172);padding-right: 8px;padding-left: 8px;margin-right: 10px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: justify;color: rgb(249, 172, 172);\">\n<p>N<\/p>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;border-width: 1px;border-style: solid;border-color: rgb(249, 172, 172);padding-right: 8px;padding-left: 8px;margin-right: 10px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: justify;color: rgb(249, 172, 172);\">\n<p>D<\/p>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 100 100 0%;height: auto;\">\n<section powered-by=\"xiumi.us\" style=\"margin-top: 10px;margin-bottom: 10px;\">\n<section style=\"background-color: rgb(249, 172, 172);height: 1px;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<p style=\"margin-bottom: 24px;\"><a target=\"_blank\" href=\"http:\/\/mp.weixin.qq.com\/s?__biz=MzAwNjE0MDY3MQ==&mid=2650762044&idx=2&sn=c74f81e91cadd166adc7168dec9891ed&chksm=831a2cacb46da5ba75c42a1b82fd9e84a5e56b7f87d980fc30886f97ff466d41a36afe405420&scene=21#wechat_redirect\" textvalue=\"\u4f60\u5df2\u9009\u4e2d\u4e86\u6dfb\u52a0\u94fe\u63a5\u7684\u5185\u5bb9\" linktype=\"text\" imgurl=\"\" imgdata=\"null\" data-itemshowtype=\"0\" tab=\"innerlink\" data-linktype=\"1\" rel=\"noopener\"><span class=\"js_jump_icon h5_image_link\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.3575547866205306\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/14_HVzeSsosMjColwxeR2aMsicmMgicVQ.jpg\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_jpg\/oCSOtP61aEUEOPhTDbhztaU7davdEP2YwrJAkVkEBJERQsIkEkqD5wX4VcHVzeSsosMjColwxeR2aMsicmMgicVQ\/640?wx_fmt=jpeg'\" data-type=\"jpeg\" data-w=\"867\" style=\"\" \/><\/span><\/a><\/p>\n<p style=\"margin-bottom: 24px;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.5555555555555556\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/15_akXKU5NcO1KwuWc1Rk7ZJ56LC2pYrQ.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXjjmsEC5aXz0RE4be2ib1fJPnBD8yX0Z6OF2zocd2ngHpLOakXKU5NcO1KwuWc1Rk7ZJ56LC2pYrQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"900\" style=\"\" \/><\/p>\n<p style=\"margin-bottom: 24px;\"><br \/><\/p>\n<p style=\"display: none;margin-bottom: 24px;\"><mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<p><\/content>\n<\/div>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00 \u5c0f\u5e08\u59b9 \u751f\u4fe1\u679c 2023-0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":""},"categories":[1],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/57080"}],"collection":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=57080"}],"version-history":[{"count":1,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/57080\/revisions"}],"predecessor-version":[{"id":57090,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/57080\/revisions\/57090"}],"wp:attachment":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=57080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=57080"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=57080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":57080,"date":"2024-06-16T18:47:05","date_gmt":"2024-06-16T10:47:05","guid":{"rendered":"http:\/\/www.biocloudservice.com\/wordpress\/?p=57080"},"modified":"2024-06-16T18:47:05","modified_gmt":"2024-06-16T10:47:05","slug":"%e4%ba%94%e5%88%86%e9%92%9fr%e8%af%ad%e8%a8%80%e4%be%8b%e9%a2%98%e5%ae%9e%e6%88%98%ef%bc%8c%e5%8a%a9%e4%bd%a0%e6%8e%8c%e6%8f%a1r%e8%af%ad%e8%a8%80","status":"publish","type":"post","link":"http:\/\/www.biocloudservice.com\/wordpress\/?p=57080","title":{"rendered":"\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00"},"content":{"rendered":"

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0;align-items:center}.flex_bd{padding-left:14px;}.account_nickname{display:inline-block;vertical-align:middle;line-height:1.2;color:#576b95;font-size:14px}.account_desc{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;color:rgba(0,0,0,0.3);font-size:14px;line-height:1.2;padding-top:.4em}.msg_source_url{text-align:left;word-break:break-all;margin-top:20px;}.msg_source_url a{padding-right:10px;}.msg_source_url .url_text{color:#a8a8a8;}.video-desc{font-size:14px;margin-top:15px;color:#6c6c6c;}.msg_source_url{text-align:left;}.original_primary_card_tips{color:rgba(0,0,0,0.3);line-height:1.4;font-size:15px;}.weui-flex__item{margin-bottom:20px;padding:20px 16px;margin-top:16px;line-height:1.4;align-items:center;background-color:#f7f7f7;border-radius:8px;position:relative;}.original_primary_desc{color:rgba(0,0,0,0.5);font-size:14px;padding-top:4px;width:auto;overflow:hidden;text-overflow:ellipsis;}.msgBodyReplyList{border-top:1px solid #e1e1e1;margin-top:10px;}.msgBodyReplyListTop{border-top:0;}.reply_like_num{float:right;font-size:14px;color:#c7c7c7;}.msgData{margin-top:20px;color:#626262;}.msgData span{font-size:14px;padding-right:15px;}.msgData .likes{float:right;padding-right:0;}.js_text_content p{font-size:18px;}.rich_media_meta_link{font-size:15px;}blockquote {padding-left: 10px;border-left: 3px solid #dbdbdb;color: rgba(0,0,0,0.5);font-size: 15px;padding-top: 4px;margin: 1em 0;}.video_iframe{width:500px;height:400px;}.blockquote_info{color:#b5b5b5;margin-top:10px;}#copyright_logo{color:#bdbdbd;}.rich_media_meta_list{margin-bottom:10px;}.reprint{background:#efefef;border-radius:5px;padding:8px;color:#1f1f1f;}.reprint a{word-break:break-all;}.topic{color:#8e8e8e;background:#f7f7f7;border-radius:5px;padding:10px 8px;}.topic a{padding-right:5px;}.topic p{margin-bottom:5px;}\n<\/style>\n<link href=\"https:\/\/www.juyifx.cn\/config\/css\/wxArticle.css\" rel=\"stylesheet\"\/>\n<\/head><script>\nvar data={\"mp\":\"\u751f\u4fe1\u679c\",\"title\":\"\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\",\"time\":\"2023-07-08 19:00:57\",\"timeStamp\":\"1688814057\"};\n<\/script><br \/>\n<body><\/p>\n<div class=\"rich_media\">\n<h1 class=\"rich_media_title\" id=\"activity-name\"><a href=\"http:\/\/mp.weixin.qq.com\/s?__biz=Mzg3OTg3MjQyNg==&mid=2247489843&idx=2&sn=a55c12a761738a64986c4957d4996f29&chksm=cf7c89f6f80b00e08a11ffaa665c1b71e9f4eaa6dfadcc4e28a5089389b5c24013d73f27ba39#rd\" target=\"_blank\" rel=\"noopener\">\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00<\/a><\/h1>\n<div id=\"meta_content\" class=\"rich_media_meta_list\"><span class=\"rich_media_meta rich_media_meta_text\">\u5c0f\u5e08\u59b9 <\/span><span class=\"rich_media_meta rich_media_meta_nickname\" id=\"profileBt\"><a href=\"javascript:void(0);\" class=\"wx_tap_link js_wx_tap_highlight weui-wa-hotarea\" id=\"js_name\">\u751f\u4fe1\u679c <\/a><\/span><em id=\"publish_time\" class=\"rich_media_meta rich_media_meta_text\">2023-07-08 19:00:57<\/em><\/div>\n<p><content><\/p>\n<div class=\"reprint\">\n<p>\u8f6c\u81ea\u516c\u4f17\u53f7\uff1aR\u8bed\u8a00\u5b66\u5f92<br \/><a href=\"http:\/\/mp.weixin.qq.com\/s?__biz=Mzg5MDk3Mzg4OA==&mid=2247484389&idx=1&sn=b4a220303e54c38b0e4543963315961d\" target=\"_blank\" title=\"\u9605\u8bfb\u539f\u6587\" rel=\"noopener\">http:\/\/mp.weixin.qq.com\/s?__biz=Mzg5MDk3Mzg4OA==&mid=2247484389&idx=1&sn=b4a220303e54c38b0e4543963315961d<\/a><\/p>\n<\/div>\n<section style=\"font-size: 16px;letter-spacing: normal;white-space: normal;caret-color: rgb(0, 0, 0);color: rgb(0, 0, 0);margin-bottom: 24px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 20px;margin-bottom: 25px;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;align-self: flex-start;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(249, 172, 172);box-shadow: rgb(249, 172, 172) 0px 0px 5px 3px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: center;transform: translate3d(2px, 0px, 0px);margin-top: -14px;margin-bottom: -14px;\">\n<p>{ \u70b9\u51fb\u84dd\u5b57\uff0c\u5173\u6ce8\u6211\u4eec }<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section powered-by=\"xiumi.us\">\n<p>\u5927\u5bb6\u597d\uff0c\u672c\u671f\u5c0f\u5e08\u59b9\u5c06\u901a\u8fc7\u51e0\u9053\u9898\u76ee\u5e2e\u52a9\u5927\u5bb6\u66f4\u597d\u5730\u638c\u63e1\u4e4b\u524d\u4ecb\u7ecd\u8fc7\u7684\u77e5\u8bc6\u3002<\/p>\n<p><br \/><\/p>\n<p><span style=\"color: rgb(239, 135, 135);\"><strong>\u7b2c\u4e00\u9898\uff1a\u5408\u5e76\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u5411\u91cf\uff0c\u5e76\u544a\u8bc9\u6211\u5411\u91cf\u5408\u5e76\u540e\u7684\u6570\u636e\u7c7b\u578b\u662f\u4ec0\u4e48\uff1f<\/strong><\/span><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">char_vector<-<span class=\"code-snippet__built_in\">c<\/span>(<span class=\"code-snippet__string\">\"zhangsan\"<\/span>,<span class=\"code-snippet__string\">\"lisi\"<\/span>,<span class=\"code-snippet__string\">\"wangwu\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">num_vector<-<span class=\"code-snippet__built_in\">c<\/span>(<span class=\"code-snippet__number\">1<\/span>,<span class=\"code-snippet__number\">2<\/span>,<span class=\"code-snippet__number\">3<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">combined_vector<-<span class=\"code-snippet__built_in\">c<\/span>(char_vector,num_vector)<\/span><\/code><code><span class=\"code-snippet_outer\">combined_vector<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">###\u5408\u5e76\u540e\u7684\u5411\u91cf\u5305\u542b\u4e86\u5b57\u7b26\u7c7b\u578b\u548c\u6570\u503c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u4f46\u662f\u6570\u503c\u7c7b\u578b\u7684\u6570\u636e\u88ab\u8f6c\u6362\u6210\u4e86\u5b57\u7b26\u7c7b\u578b\u3002<\/span><\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><br \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.17037037037037037\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/1_cSjDM65mX9D7Bo0r9FDtAbLF1ZTIXQ.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVD66LCvT4g7L9xSPpuLApFgdCicSjDM65mX9D7Bo0r9FDtAbLF1ZTIXQ\/640?wx_fmt=png'\" data-type=\"gif\" data-w=\"1080\" style=\"\" \/><\/p>\n<section powered-by=\"xiumi.us\" style=\"color: rgb(239, 135, 135);\">\n<p><strong><br \/><\/strong><\/p>\n<p><strong>\u7b2c\u4e8c\u9898\uff1ax\u662f-1\u52301\u4e4b\u95f4\u5747\u5300\u5206\u5e03\u7684\u957f\u5ea6\u4e3a100\u7684\u5411\u91cf\uff0c\u8bf7\u5199\u7a0b\u5e8f\u5b9a\u4e49\u4e00\u4e2a\u5411\u91cfy\uff0cy=1-x,x<0\uff1by=1+x,x>=0<\/strong><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">x<-runif(<span class=\"code-snippet__number\">100<\/span>,-<span class=\"code-snippet__number\">1<\/span>,<span class=\"code-snippet__number\">1<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">get_y<-<span class=\"code-snippet__keyword\">function<\/span>(x){<\/span><\/code><code><span class=\"code-snippet_outer\">ifelse(x<<span class=\"code-snippet__number\">0<\/span>,<span class=\"code-snippet__number\">1<\/span>-x,<span class=\"code-snippet__number\">1<\/span>+x)<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\">y<-get_y(x)<\/span><\/code><code><span class=\"code-snippet_outer\">y<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.44351851851851853\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/2_2ZQroVJCGO4ehL17Wyibue4PGvcBhw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/3_2ZQroVJCGO4ehL17Wyibue4PGvcBhw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVI34pFhuibefnHgeGBvw1KcewvZ2ZQroVJCGO4ehL17Wyibue4PGvcBhw\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 0px;\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.44351851851851853\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/2_2ZQroVJCGO4ehL17Wyibue4PGvcBhw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/3_2ZQroVJCGO4ehL17Wyibue4PGvcBhw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVI34pFhuibefnHgeGBvw1KcewvZ2ZQroVJCGO4ehL17Wyibue4PGvcBhw\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"1080\" style=\"\"><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong><br \/><\/strong><\/span><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#3.\u5199\u7a0b\u5e8f\u5b9a\u4e49\u53d8\u91cfages\uff0c\u8868\u793a100\u4e2a20~70\u5c81\u7684\u6210\u5e74\u4eba\u5e74\u9f84\uff0c\u5e76\u4ee5\u6bcf10\u5c81\u4f5c\u4e3a\u533a\u95f4\u7edf\u8ba1\u5404\u4e2a\u5e74\u9f84\u6bb5\u7684\u4eba\u6570<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">ages<-sample(<span class=\"code-snippet__number\">20<\/span>:<span class=\"code-snippet__number\">70<\/span>,replace = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">age_groups<-cut(ages,seq(<span class=\"code-snippet__number\">20<\/span>,<span class=\"code-snippet__number\">70<\/span>,<span class=\"code-snippet__number\">10<\/span>))<\/span><\/code><code><span class=\"code-snippet_outer\">age_counts<-table(age_groups)<\/span><\/code><code><span class=\"code-snippet_outer\">age_counts<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.32407407407407407\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_KHmPUhaSxicB5Ia8icIKfZheRUkZOw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/5_KHmPUhaSxicB5Ia8icIKfZheRUkZOw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVgIafhvjq8vXHnyOUiaVBnPTngBEKHmPUhaSxicB5Ia8icIKfZheRUkZOw\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 0px;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.32407407407407407\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_KHmPUhaSxicB5Ia8icIKfZheRUkZOw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/5_KHmPUhaSxicB5Ia8icIKfZheRUkZOw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVgIafhvjq8vXHnyOUiaVBnPTngBEKHmPUhaSxicB5Ia8icIKfZheRUkZOw\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"1080\" style=\"\" data-recalc-dims=\"1\"><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#4.\u5199\u7a0b\u5e8f\u751f\u621010*10\u7684\u5355\u4f4d\u77e9\u9635\u548c\u5bf9\u89d2\u7ebf\u4e0a\u5206\u522b\u4e3a1:10\u7684\u5bf9\u89d2\u77e9\u9635<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">unit_matrix<-diag(<span class=\"code-snippet__number\">10<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">unit_matrix<\/span><\/code><code><span class=\"code-snippet_outer\">diag_matrix<-diag(<span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">10<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">diag_matrix<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.8440797186400938\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_DOkmZCRklUK57Uc55RKJvBn82pMBIw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/7_DOkmZCRklUK57Uc55RKJvBn82pMBIw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVgCRgo2f2t4ocVs5NStDhibb5lDOkmZCRklUK57Uc55RKJvBn82pMBIw\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"853\" style=\"vertical-align: middle;width: 0px;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.8440797186400938\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_DOkmZCRklUK57Uc55RKJvBn82pMBIw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/7_DOkmZCRklUK57Uc55RKJvBn82pMBIw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVgCRgo2f2t4ocVs5NStDhibb5lDOkmZCRklUK57Uc55RKJvBn82pMBIw\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"853\" style=\"\" data-recalc-dims=\"1\" \/><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#5.\u5199\u7a0b\u5e8f\u751f\u6210\u5982\u4e0b\u77e9\u9635\uff0c\u5e76\u7528apply\u547d\u4ee4\u6309\u5217\u8fdb\u884c\u6c42\u548c<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">A<-matrix(<span class=\"code-snippet__built_in\">c<\/span>(<span class=\"code-snippet__literal\">NA<\/span>,<span class=\"code-snippet__number\">9<\/span>,<span class=\"code-snippet__number\">17<\/span>,<span class=\"code-snippet__number\">25<\/span>,<span class=\"code-snippet__number\">3<\/span>,<span class=\"code-snippet__literal\">NA<\/span>,<span class=\"code-snippet__number\">19<\/span>,<span class=\"code-snippet__number\">27<\/span>,<span class=\"code-snippet__number\">5<\/span>,<span class=\"code-snippet__number\">13<\/span>,<span class=\"code-snippet__literal\">NA<\/span>,<span class=\"code-snippet__number\">29<\/span>,<span class=\"code-snippet__number\">7<\/span>,<span class=\"code-snippet__number\">15<\/span>,<span class=\"code-snippet__number\">23<\/span>,<span class=\"code-snippet__literal\">NA<\/span>),ncol=<span class=\"code-snippet__number\">4<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">A<\/span><\/code><code><span class=\"code-snippet_outer\">apply(A, <span class=\"code-snippet__number\">2<\/span>, <span class=\"code-snippet__built_in\">sum<\/span>,na.rm=<span class=\"code-snippet__built_in\">T<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.2564814814814815\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/8_36ksOuEeYwzQZz1nzQniccl8zPpDGA.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/9_36ksOuEeYwzQZz1nzQniccl8zPpDGA.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVyQxpq9QFyUVYJYDbV6tqMMZmV36ksOuEeYwzQZz1nzQniccl8zPpDGA\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 0px;\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.2564814814814815\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/8_36ksOuEeYwzQZz1nzQniccl8zPpDGA.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/9_36ksOuEeYwzQZz1nzQniccl8zPpDGA.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVyQxpq9QFyUVYJYDbV6tqMMZmV36ksOuEeYwzQZz1nzQniccl8zPpDGA\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"1080\" style=\"\" \/><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#6.\u5229\u7528R\u5185\u90e8mtcars\u6570\u636e\uff0c\u8ba1\u7b97mpg\u3001 drat\u548cwt\u5217\u6570\u636e\u7684\u4e2d\u4f4d\u503c\uff08median\uff09\u3001\u5e73\u5747\u503c\uff08mean\uff09\u53ca\u6807\u51c6\u5dee\uff08sd\uff09\uff1b\u5e76\u6309cyl\u5206\u7ec4\uff0c\u8ba1\u7b97\u4e0d\u540c\u7ec4\u522b\u7684mpg\u3001 drat\u548cwt\u5217\u6570\u636e\u7684\u5e73\u5747\u503c(mean)<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">library(dplyr)<\/span><\/code><code><span class=\"code-snippet_outer\">mpg_median <- median(mtcars$mpg)<\/span><\/code><code><span class=\"code-snippet_outer\">mpg_mean <- mean(mtcars$mpg)<\/span><\/code><code><span class=\"code-snippet_outer\">mpg_sd <- sd(mtcars$mpg)<\/span><\/code><code><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code><span class=\"code-snippet_outer\">drat_median <- median(mtcars$drat)<\/span><\/code><code><span class=\"code-snippet_outer\">drat_mean <- mean(mtcars$drat)<\/span><\/code><code><span class=\"code-snippet_outer\">drat_sd <- sd(mtcars$drat)<\/span><\/code><code><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code><span class=\"code-snippet_outer\">wt_median <- median(mtcars$wt)<\/span><\/code><code><span class=\"code-snippet_outer\">wt_mean <- mean(mtcars$wt)<\/span><\/code><code><span class=\"code-snippet_outer\">wt_sd <- sd(mtcars$wt)<\/span><\/code><code><span class=\"code-snippet_outer\">mtcars %>%<\/span><\/code><code><span class=\"code-snippet_outer\">group_by(cyl) %>%<\/span><\/code><code><span class=\"code-snippet_outer\">summarise(mpg_mean = mean(mpg), drat_mean = mean(drat), wt_mean = mean(wt))<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"0.46944444444444444\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/10_jiav2mD9N1sCPtcIPt1w33mjt4bqzQ.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/11_jiav2mD9N1sCPtcIPt1w33mjt4bqzQ.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVPSgRYiaGSXJ7icxUcPCv4rugjCxjiav2mD9N1sCPtcIPt1w33mjt4bqzQ\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 0px;\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.46944444444444444\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/10_jiav2mD9N1sCPtcIPt1w33mjt4bqzQ.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/11_jiav2mD9N1sCPtcIPt1w33mjt4bqzQ.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVPSgRYiaGSXJ7icxUcPCv4rugjCxjiav2mD9N1sCPtcIPt1w33mjt4bqzQ\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"1080\" style=\"\" \/><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#7.\u5199\u7a0b\u5e8f\u751f\u6210\u4ece1\u5230100\u7684\u6574\u6570\uff0c\u82e5\u6570\u5b57\u4e3a7\u7684\u500d\u6570\uff0c\u6253\u5370\u6570\u5b57\uff0c\u82e5\u6570\u5b57\u4e3a9\u7684\u500d\u6570\uff0c\u6253\u5370’NA’ \uff0c\u5176\u4f59\u60c5\u51b5\u4e0d\u8f93\u51fa\u3002<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (i <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">100<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">if<\/span> (i %% <span class=\"code-snippet__number\">7<\/span> == <span class=\"code-snippet__number\">0<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\">cat(i, <span class=\"code-snippet__string\">\"n\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">} <span class=\"code-snippet__keyword\">else<\/span> <span class=\"code-snippet__keyword\">if<\/span> (i %% <span class=\"code-snippet__number\">9<\/span> == <span class=\"code-snippet__number\">0<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\">cat(<span class=\"code-snippet__string\">\"NA\"<\/span>, <span class=\"code-snippet__string\">\"n\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"line-height: 0;\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" data-ratio=\"1.6402777777777777\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/12_4ZZ5OhedbFOibTEqgl73oE6eGOLicg.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/13_4ZZ5OhedbFOibTEqgl73oE6eGOLicg.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVicSKOBb1PFbGKppWAlnntSuFspy4ZZ5OhedbFOibTEqgl73oE6eGOLicg\/640?wx_fmt=png''\" data-type=\"png\" data-w=\"720\" style=\"vertical-align: middle;width: 0px;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"1.6402777777777777\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/12_4ZZ5OhedbFOibTEqgl73oE6eGOLicg.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-07-08_\u300c\u8f6c\u300d\u4e94\u5206\u949fR\u8bed\u8a00\u4f8b\u9898\u5b9e\u6218\uff0c\u52a9\u4f60\u638c\u63e1R\u8bed\u8a00\/13_4ZZ5OhedbFOibTEqgl73oE6eGOLicg.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEVNHGicNdV7aVMlVheqAgkcVicSKOBb1PFbGKppWAlnntSuFspy4ZZ5OhedbFOibTEqgl73oE6eGOLicg\/640?wx_fmt=png''\" data-type=\"gif\" data-w=\"720\" style=\"width: 251px;height: 412px;\" data-recalc-dims=\"1\" \/><\/p>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<p powered-by=\"xiumi.us\"><span style=\"color: rgb(239, 135, 135);\"><strong>#2.\u5199\u7a0b\u5e8f\u8f93\u51fa\u4e0b\u4e09\u89d2\u8868\u793a\u7684\u4e5d\u4e5d\u4e58\u6cd5\u8868\u3002<\/strong><\/span><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\"># \u751f\u6210\u4e5d\u4e5d\u4e58\u6cd5\u8868<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">result <- matrix(<span class=\"code-snippet__number\">0<\/span>, nrow = <span class=\"code-snippet__number\">9<\/span>, ncol = <span class=\"code-snippet__number\">9<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (i <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">9<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (j <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:i) {<\/span><\/code><code><span class=\"code-snippet_outer\">result[i, j] <- i * j<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\"># \u6253\u5370\u4e0b\u4e09\u89d2\u5f62\u5f0f\u7684\u4e5d\u4e5d\u4e58\u6cd5\u8868<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (i <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">9<\/span>) {<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__keyword\">for<\/span> (j <span class=\"code-snippet__keyword\">in<\/span> <span class=\"code-snippet__number\">1<\/span>:i) {<\/span><\/code><code><span class=\"code-snippet_outer\">cat(i,<span class=\"code-snippet__string\">'*'<\/span>,j,<span class=\"code-snippet__string\">'='<\/span>,result[i, j], <span class=\"code-snippet__string\">\"t\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><code><span class=\"code-snippet_outer\">cat(<span class=\"code-snippet__string\">\"n\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">}<\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\">\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u671f\u5c0f\u5e08\u59b9\u5e26\u5b66\u7684\u5185\u5bb9\u5566\u3002\u8bf7\u6301\u7eed\u5173\u6ce8\u5c0f\u5e08\u59b9\uff0c\u6211\u4eec\u4e0b\u671f\u89c1~<\/p>\n<p>\u7b5b\u9009\u514d\u75ab\u57fa\u56e0\u5bf9\u5c0f\u5de5\u5177\uff1awww.biocloudservice.com\/589\/589.php<\/p>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"text-align: center;justify-content: center;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;flex: 100 100 0%;height: auto;align-self: center;margin-right: 10px;\">\n<section powered-by=\"xiumi.us\" style=\"margin-top: 10px;margin-bottom: 10px;\">\n<section style=\"background-color: rgb(249, 172, 172);height: 1px;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;border-width: 1px;border-style: solid;border-color: rgb(249, 172, 172);padding-right: 8px;padding-left: 8px;margin-right: 10px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: justify;color: rgb(249, 172, 172);\">\n<p>E<\/p>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;border-width: 1px;border-style: solid;border-color: rgb(249, 172, 172);padding-right: 8px;padding-left: 8px;margin-right: 10px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: justify;color: rgb(249, 172, 172);\">\n<p>N<\/p>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;border-width: 1px;border-style: solid;border-color: rgb(249, 172, 172);padding-right: 8px;padding-left: 8px;margin-right: 10px;\">\n<section powered-by=\"xiumi.us\" style=\"text-align: justify;color: rgb(249, 172, 172);\">\n<p>D<\/p>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 100 100 0%;height: auto;\">\n<section powered-by=\"xiumi.us\" style=\"margin-top: 10px;margin-bottom: 10px;\">\n<section style=\"background-color: rgb(249, 172, 172);height: 1px;\"><svg viewbox=\"0 0 1 1\" 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