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%>%\uff0c\u5b83\u53ef\u4ee5\u5c06\u5de6\u8fb9\u7684\u7ed3\u679c\u4f20\u9012\u7ed9\u53f3\u8fb9\u7684\u51fd\u6570\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u6b64\u5305\u8fd8\u907f\u514d\u4e86\u51fd\u6570\u7684\u5d4c\u5957\uff0c\u6ee1\u8db3\u4e86\u6700\u5c0f\u5316\u5bf9\u5c40\u90e8\u53d8\u91cf\u548c\u51fd\u6570\u5b9a\u4e49\uff0c\u662f\u6211\u4eec\u64cd\u4f5c\u4e0d\u540c\u4f4d\u7f6e\u7684\u5e8f\u5217\u66f4\u52a0\u65b9\u4fbf\u5feb\u6377\u3002\u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u7531\u5c0f\u5e08\u59b9\u6765\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u4e2a\u795e\u5947\u7684R\u5305\u5427\u3002<\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row nowrap;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(189, 216, 245);min-width: 5%;height: auto;padding: 6px 15px;\">\n<section style=\"color: rgb(255, 255, 255);text-align: justify;\" powered-by=\"xiumi.us\">\n\u4e00<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"margin-bottom: -6px;transform: scale(0.66);transform-origin: left top;\" powered-by=\"xiumi.us\">\n<section style=\"line-height: 1;transform: translate3d(12px, 0px, 0px);\">\n<section style=\"width: 0px;display: inline-block;border-top: 0.6em solid rgb(247, 221, 223);border-left: 0.6em solid rgb(247, 221, 223);border-bottom: 0.6em solid transparent !important;border-right: 0.6em solid transparent !important;\"><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 style=\"display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;height: auto;align-self: flex-start;background-color: rgb(255, 229, 231);padding: 6px 6px 6px 14px;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n\u5b89\u88c5\u548c\u8f7d\u5165<\/strong><\/p>\n<\/section>\n<\/section>\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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>\u5b89\u88c5\uff1ainstall.packages(\"magrittr\"<\/span>)<\/span><\/code><code>\u8f7d\u5165\uff1alibrary(magrittr)<\/span><\/code><\/pre>\n<\/section>\n <\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row nowrap;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(189, 216, 245);min-width: 5%;height: auto;padding: 6px 15px;\">\n<section style=\"color: rgb(255, 255, 255);text-align: justify;\" powered-by=\"xiumi.us\">\n\u4e8c<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"margin-bottom: -6px;transform: scale(0.66);transform-origin: left top;\" powered-by=\"xiumi.us\">\n<section style=\"line-height: 1;transform: translate3d(12px, 0px, 0px);\">\n<section style=\"width: 0px;display: inline-block;border-top: 0.6em solid rgb(247, 221, 223);border-left: 0.6em solid rgb(247, 221, 223);border-bottom: 0.6em solid transparent !important;border-right: 0.6em solid transparent !important;\"><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 style=\"display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;height: auto;align-self: flex-start;background-color: rgb(255, 229, 231);padding: 6px 6px 6px 14px;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n\u64cd\u4f5c<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\nmagrittr \u4e3b\u8981\u5305\u62ec 4 \u4e2a\u7ba1\u9053\u64cd\u4f5c\u7b26\uff0c\u5206\u522b\u4e3a%>% \u5411\u53f3\u64cd\u4f5c\u7b26\uff0c%T>% Tee \u64cd\u4f5c\u7b26\uff0c\u5411\u5de6\u64cd\u4f5c\u7b26\uff0c%$% \u89e3\u91ca\u64cd\u4f5c\u7b26\uff0c%<>% \u590d\u5408\u8d4b\u503c\u7ba1\u9053\u64cd\u4f5c\u7b26\uff0c\u63a5\u4e0b\u6765\u5c0f\u5e08\u59b9\u4e00\u4e00\u6f14\u793a\u4ed6\u4eec\u7684\u64cd\u4f5c\u7528\u6cd5\uff0c\u8ddf\u5c0f\u5e08\u59b9\u4e00\u8d77\u5b66\u4e60\u6765\u5427\u3002<\/p>\n <\/p>\n 1.%>%<\/strong><\/p>\n\u5c06\u5de6\u8fb9\u7684\u7ed3\u679c\u4f20\u9012\u7ed9\u53f3\u8fb9\u7684\u51fd\u6570\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u503c\uff0c\u5176\u7ed3\u679c\u53ef\u4ee5\u7ee7\u7eed\u5411\u53f3\u8fb9\u4f20\u9012\u3002<\/p>\n\uff081\uff09\u57fa\u672c\u7ba1\u9053\u64cd\u4f5c\uff1ax %>% f => f(x)\uff0cx %>% f(y) => f(x, y)\uff0cx %>% f %>% g %>% h => h(g(f(x)))<\/p>\n\u9ed8\u8ba4\u5c06 %>% \u5de6\u8fb9\u7684 x \u4f5c\u4e3a\u53f3\u8fb9\u7684\uff08\u5982 f \u51fd\u6570\uff09\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u5c0f\u5e08\u59b9\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> x <- 9<\/span><\/code><code>> f <- function<\/span>(x, y=3<\/span>) { return<\/span>(x+y) }<\/span><\/code><code>> x %>% f<\/span><\/code><code>[1<\/span>] 12<\/span><\/span><\/code><code>> x %>% f(2<\/span>)<\/span><\/code><code>[1<\/span>]11<\/span><\/span><\/code><\/pre>\n<\/section>\n\uff082\uff09\u53c2\u6570\u5360\u4f4d\u7b26\uff1ax %>% f(y, .) => f(y, x)\uff0cx %>% f(y, z = .) => f(y, z = x) <\/p>\n\u4f7f\u7528 . \u5360\u4f4d\u7b26\uff0c\u8868\u793a\u7ba1\u9053\u5de6\u8fb9\u4f20\u8fc7\u6765\u7684\u53d8\u91cf\uff0c\u5c0f\u5e08\u59b9\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/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>> x <- 9<\/span><\/code><code>> f <- function<\/span>(x, y=3<\/span>) { return<\/span>(x+y) }<\/span><\/code><code>> x %>% f(y = .,x = 5<\/span>)<\/span><\/code><code>[1<\/span>]14<\/span><\/span><\/code><\/pre>\n<\/section>\n\uff083\uff09\u5bf9\u5c5e\u6027\u91cd\u7528\u5360\u4f4d\u7b26\uff1ax %>% f(y = nrow(.), z = ncol(.)) => f(x, y = nrow(x), z = ncol(x))<\/p>\n<section powered-by=\"xiumi.us\">\n\u5728\u53f3\u4fa7\u8868\u8fbe\u5f0f\u4e2d\u53ef\u4ee5\u591a\u6b21\u4f7f\u7528\u5360\u4f4d\u7b26\u3002\u4f46\u662f\uff0c\u5f53\u5360\u4f4d\u7b26\u4ec5\u51fa\u73b0\u5728\u5d4c\u5957\u8868\u8fbe\u5f0f\u4e2d\u65f6\uff0cmagrittr \u4ecd\u5c06\u5e94\u7528\u7b2c\u4e00\u4e2a\u53c2\u6570\u89c4\u5219\u3002\u56e0\u4e3a\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4f1a\u4ea7\u751f\u66f4\u5e72\u51c0\u7684\u4ee3\u7801\u3002<\/p>\n\u53ef\u4ee5\u901a\u8fc7\u5c06\u53f3\u4fa7\u8868\u8fbe\u5f0f\u7528\u5927\u62ec\u53f7\u5305\u88f9\u6765\u53d6\u6d88\u8fd9\u4e00\u89c4\u5219\uff1ax %>% {f(y = nrow(.), z = ncol(.))} => f(y = nrow(x), z = ncol(x))<\/p>\n\u63a5\u4e0b\u6765\u5c0f\u5e08\u59b9\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5c0f\u4f19\u4f34\u4eec\u6765\u7406\u89e3\u4e00\u4e0b\u3002<\/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<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>> x <- matrix(1<\/span>:8<\/span>, nrow = 2<\/span>, ncol = 4<\/span>)<\/span><\/code><code>> f<- function<\/span>(x, y, z) { return<\/span>(x * y * z) }<\/span><\/code><code>> x %>% f(y = nrow(.), z = ncol(.)) <\/span><\/code><code>[,1<\/span>] [,2<\/span>] [,3<\/span>] [,4<\/span>]<\/span><\/code><code>[1<\/span>,] 8<\/span> 24<\/span> 40<\/span> 56<\/span><\/span><\/code><code>[2<\/span>,] 16<\/span> 32<\/span> 48<\/span> 64<\/span><\/span><\/code><code>> x %>% {f(y = nrow(.), z = ncol(.))}<\/span><\/code><code>Error in<\/span> f(y = nrow(.), z = ncol(.)) : <\/span><\/code><code> argument \"x\"<\/span> is missing<\/span>, with no default <\/span><\/code><code>#\u8fd9\u91cc\u62a5\u9519\u662f\u56e0\u4e3a\u7f3a\u5c11\u53c2\u6570\"x\"\u4e5f\u6ca1\u6709\u7f3a\u7701\u503c\u3002<\/span><\/span><\/code><code>> x %>% {f(1<\/span>, y = nrow(.), z = ncol(.))}<\/span><\/code><code>[1<\/span>]8<\/span><\/span><\/code><\/pre>\n<\/section>\n\uff084\uff09\u7ed1\u5b9a\u51fd\u6570\uff1a\u4efb\u4f55\u4ee5 . \u5f00\u5934\u7684\u7ba1\u9053\u5e8f\u5217\u5c06\u4f1a\u8fd4\u56de\u4e00\u4e2a\u4e00\u5143\u51fd\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4f <- . %>% cos %>% sin \u4e0ef <- function(.) sin(cos(.)) \u662f\u76f8\u7b49\u7684\u3002<\/p>\n\u5c0f\u5e08\u59b9\u8fd8\u662f\u6765\u4e3e\u4e24\u4e2a\u4f8b\u5b50\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u3002<\/p>\n\u4e3e\u4f8b1\uff1a\u4f20\u9012\u5230\u4ee3\u7801\u5757<\/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>> rnorm(5<\/span>) %>% multiply_by(3<\/span>) %>% add(2<\/span>) %>%<\/span><\/code><code>+ {<\/span><\/code><code>+ print(\"Mean:\"<\/span>, mean(.))<\/span><\/code><code>+ sort(.) %>% head(3<\/span>)<\/span><\/code><code>+ }<\/span><\/code><code>[1<\/span>] \"Mean:\"<\/span><\/span><\/code><code>[1<\/span>] -1.600125694<\/span> -0.003594282<\/span> 2.892074260<\/span><\/span><\/code><\/pre>\n<\/section>\n\u4e3e\u4f8b2\uff1a\u4f20\u9012\u5230\u51fd\u6570<\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> rnorm(5<\/span>) %>% add(1<\/span>) %>% `*`(5<\/span>) %>%(<\/span><\/code><code>+ function<\/span>(x) {<\/span><\/code><code>+ if<\/span> (x[1<\/span>] > 5<\/span>) {<\/span><\/code><code>+ x-5<\/span><\/span><\/code><code>+ } else<\/span> x<\/span><\/code><code>+ }<\/span><\/code><code>+ )<\/span><\/code><code>[1<\/span>] 1.159504<\/span> 6.172372<\/span> 2.371457<\/span> 9.932066<\/span> -7.305487<\/span><\/span><\/code><\/pre>\n<\/section>\n <\/p>\n2. %T>%<\/strong><\/p>\n\u4e0e %>% \u7684\u533a\u522b\u662f\u5176\u7ed3\u679c\u4e0d\u80fd\u5411\u53f3\u4f20\u9012\uff0c\u800c\u662f\u5c06 %T>% \u5de6\u8fb9\u7684\u7ed3\u679c\u7ee7\u7eed\u5411\u53f3\u4f20\u9012\u4e0b\u53bb\uff0c%T>% \u901a\u5e38\u7528\u6765\u8f93\u51fa\u56fe\u5f62\u3001\u6253\u5370\u7ed3\u679c\u5230\u5c4f\u5e55\u6216\u8005\u8f93\u51fa\u5230\u6587\u4ef6\uff0c\u7136\u540e\u7ee7\u7eed\u540e\u9762\u7684 %>% \u64cd\u4f5c\u800c\u5176\u5de6\u8fb9\u7684\u503c\u76f8\u5f53\u4e8e\u505a\u4e86\u4e24\u6b21\u4f20\u9012\uff0c\u5206\u522b\u4f20\u9012\u7ed9 %T>% \u53f3\u4fa7\u8868\u8fbe\u5f0f\u4ee5\u53ca\u5176\u540e\u9762\u7684 %>% \u7ba1\u9053\u7b26\u7684\u53f3\u4fa7\u8868\u8fbe\u5f0f\u3002\u5c0f\u5e08\u59b9\u8fd8\u662f\u7ed9\u5927\u5bb6\u4e3e\u4f8b\u6765\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u638c\u63e1\u3002<\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> a <- 3<\/span><\/code><code>> a %>% cos<\/span> %T>% print %>% sin<\/span><\/span><\/code><code>[1<\/span>] -0.9899925<\/span><\/span><\/code><code>[1<\/span>] -0.8360219<\/span><\/span><\/code><code>> x %>% cos<\/span> %T>% hist %>% sin<\/span> <\/span><\/code><code> [,1<\/span>] [,2<\/span>] [,3<\/span>] [,4<\/span>]<\/span><\/code><code>[1<\/span>,] 0.5143953<\/span> -0.8360219<\/span> 0.2798734<\/span> 0.6844888<\/span><\/span><\/code><code>[2<\/span>,] -0.4042392<\/span> -0.6080830<\/span> 0.8192892<\/span> -0.1449872<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.6781065088757396\" data-type=\"png\" data-w=\"845\" style=\"vertical-align: middle;width: 100%;height: auto !important;\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_aEqOibiahdvOkTWdV9wZrmXSia5wRA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEUs5CyNWdLD0d3SibfRrNOicC8jgrT6UttWPmL8yxYdcHPKCftfbaEqOibiahdvOkTWdV9wZrmXSia5wRA\/640?wx_fmt=png'\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n <\/p>\n3. %$%<\/strong><\/p>\n\u901a\u5e38\u5de6\u8fb9\u662f\u6570\u636e\u6846\uff0c%$% \u53f3\u8fb9\u7684\u51fd\u6570\u53ef\u76f4\u63a5\u4f7f\u7528\u8be5\u6570\u636e\u6846\u4e2d\u7684\u53d8\u91cf\uff0c\u8bf7\u5c0f\u4f19\u4f34\u4eec\u89c2\u5bdf\u4e0b\u9762\u4f8b\u5b50\u3002<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> x <- matrix(1<\/span>:12<\/span>, nrow = 3<\/span>, ncol = 4<\/span>)<\/span><\/code><code>> data.frame(x=x[,1<\/span>], y=x[,2<\/span>], z=x[,3<\/span>]) %$% .[which(x > 5<\/span>),]<\/span><\/code><code>[1<\/span>] x y z<\/span><\/code><code><0<\/span> \u884c> (\u62160<\/span>-\u957f\u5ea6\u7684row.names)<\/span><\/code><code>> data.frame(x=x[,1<\/span>], y=x[,2<\/span>], z=x[,3<\/span>]) %$% .[which(y > 5<\/span>),]<\/span><\/code><code> x y z<\/span><\/code><code>3 3<\/span> 6<\/span> 9<\/span><\/span><\/code><\/pre>\n<\/section>\n\u5c0f\u4f19\u4f34\u4eec\u662f\u5426\u53d1\u73b0\u4ed6\u5c31\u7b49\u4e8e\uff1a<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> df <- data.frame(x=x[,1<\/span>], y=x[,2<\/span>], z=x[,3<\/span>])<\/span><\/code><code>> df[which(df$y>5<\/span>),]<\/span><\/code><code> x y z<\/span><\/code><code>3 3<\/span> 6<\/span> 9<\/span><\/span><\/code><\/pre>\n<\/section>\n <\/p>\n4.%<>%<\/strong><\/p>\n\u53ea\u80fd\u51fa\u73b0\u5728\u6240\u6709\u7ba1\u9053\u7b26\u7684\u7b2c\u4e00\u4e2a\uff0c\u7528\u4e8e\u5728\u4e00\u957f\u4e32\u5904\u7406\u7ba1\u9053\u64cd\u4f5c\u4e4b\u540e\u76f4\u63a5\u5c06\u503c\u8d4b\u503c\u5230\u6700\u5de6\u8fb9\u7684\u5bf9\u8c61\u4e0a\uff0c\u5c0f\u5e08\u59b9\u8fd8\u662f\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u54c8\u3002<\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> a <- 1:5<\/span><\/span><\/code><code>> print(a)<\/span><\/code><code>1<\/span> 2<\/span> 3<\/span> 4<\/span> 5<\/span><\/span><\/code><code>> a %<>% exp<\/span> %>% sqrt<\/span><\/span><\/code><code>> print(a)<\/span><\/code><code>[1<\/span>] 1.648721<\/span> 2.718282<\/span> 4.481689<\/span> 7.389056<\/span> 12.182494<\/span><\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\">\n\u600e\u4e48\u6837\uff0c\u5927\u5bb6\u8ddf\u7740\u5c0f\u5e08\u59b9\u7684\u6b65\u4f10\u662f\u4e0d\u662f\u89c9\u5f97\u5b66\u5230\u5f88\u591a\u4e1c\u897f\u5462\uff0cmagrittr\u5305\u7684\u8bb2\u89e3\u4eca\u5929\u5c31\u5230\u8fd9\u5566\uff0c\u5982\u679c\u6709\u5176\u4ed6\u95ee\u9898\uff0c\u6b22\u8fce\u5c0f\u4f19\u4f34\u4eec\u968f\u65f6\u4e0e\u5c0f\u5e08\u59b9\u8ba8\u8bba\u54e6\uff0c\u4e0b\u6b21\u518d\u4f1a\u5566\u3002<\/p>\n <\/p>\n<img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.5555555555555556\" data-s=\"300,640\" data-type=\"jpeg\" data-w=\"900\" style=\"font-size: 16px;letter-spacing: 0.578px;text-align: center;height: auto !important;\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_FR3wic4MfRmIDKtUUHZdHrGxiaj1ow.jpg?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_jpg\/oCSOtP61aEWjRWAeR9wicY9JyrK13cNBaaEibns0HMqkENpTUga2VEOTxwbRFR3wic4MfRmIDKtUUHZdHrGxiaj1ow\/640?wx_fmt=jpeg'\" data-recalc-dims=\"1\" \/><\/p>\n<\/section>\n<\/section>\n<mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<\/content>\n<\/div>\n<\/body> \n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"\u5e08\u59b9\u5e26\u4f60\u8ba4\u8bc6R\u6570\u636e\u5904\u7406\u4e4bmagrittr \u5c0f\u5e08\u59b9 \u751f\u4fe1\u679c 2023 […]<\/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\/58950"}],"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=58950"}],"version-history":[{"count":1,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58950\/revisions"}],"predecessor-version":[{"id":58953,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58950\/revisions\/58953"}],"wp:attachment":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58950"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":58950,"date":"2024-06-17T07:17:01","date_gmt":"2024-06-16T23:17:01","guid":{"rendered":"http:\/\/www.biocloudservice.com\/wordpress\/?p=58950"},"modified":"2024-06-17T07:17:01","modified_gmt":"2024-06-16T23:17:01","slug":"%e5%b8%88%e5%a6%b9%e5%b8%a6%e4%bd%a0%e8%ae%a4%e8%af%86r%e6%95%b0%e6%8d%ae%e5%a4%84%e7%90%86%e4%b9%8bmagrittr","status":"publish","type":"post","link":"http:\/\/www.biocloudservice.com\/wordpress\/?p=58950","title":{"rendered":"\u5e08\u59b9\u5e26\u4f60\u8ba4\u8bc6R\u6570\u636e\u5904\u7406\u4e4bmagrittr"},"content":{"rendered":"

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}<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section powered-by=\"xiumi.us\">\nmagrittr\u5305\u662f\u4e00\u4e2aR\u8bed\u8a00\u5305\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e9b\u9ad8\u6548\u7684\u7ba1\u9053\u64cd\u4f5c\u5de5\u5177\u5305\uff0c\u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u6613\u8bfb\u548c\u6613\u7ef4\u62a4\u3002\u7ba1\u9053\u64cd\u4f5c\u7b26\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c06\u591a\u4e2a\u51fd\u6570\u8fde\u63a5\u8d77\u6765\uff0c\u5c06\u4e00\u4e2a\u51fd\u6570\u7684\u8f93\u51fa\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u51fd\u6570\u7684\u8f93\u5165\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u7528\u4e00\u79cd\u66f4\u52a0\u76f4\u89c2\u7684\u65b9\u5f0f\u6765\u8868\u8fbe\u6570\u636e\u5904\u7406\u7684\u8fc7\u7a0b\u3002<\/p>\nmagrittr\u5305\u4e2d\u6700\u5e38\u7528\u7684\u7ba1\u9053\u64cd\u4f5c\u7b26\u662f %>%\uff0c\u5b83\u53ef\u4ee5\u5c06\u5de6\u8fb9\u7684\u7ed3\u679c\u4f20\u9012\u7ed9\u53f3\u8fb9\u7684\u51fd\u6570\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u6b64\u5305\u8fd8\u907f\u514d\u4e86\u51fd\u6570\u7684\u5d4c\u5957\uff0c\u6ee1\u8db3\u4e86\u6700\u5c0f\u5316\u5bf9\u5c40\u90e8\u53d8\u91cf\u548c\u51fd\u6570\u5b9a\u4e49\uff0c\u662f\u6211\u4eec\u64cd\u4f5c\u4e0d\u540c\u4f4d\u7f6e\u7684\u5e8f\u5217\u66f4\u52a0\u65b9\u4fbf\u5feb\u6377\u3002\u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u7531\u5c0f\u5e08\u59b9\u6765\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u4e2a\u795e\u5947\u7684R\u5305\u5427\u3002<\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row nowrap;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(189, 216, 245);min-width: 5%;height: auto;padding: 6px 15px;\">\n<section style=\"color: rgb(255, 255, 255);text-align: justify;\" powered-by=\"xiumi.us\">\n\u4e00<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"margin-bottom: -6px;transform: scale(0.66);transform-origin: left top;\" powered-by=\"xiumi.us\">\n<section style=\"line-height: 1;transform: translate3d(12px, 0px, 0px);\">\n<section style=\"width: 0px;display: inline-block;border-top: 0.6em solid rgb(247, 221, 223);border-left: 0.6em solid rgb(247, 221, 223);border-bottom: 0.6em solid transparent !important;border-right: 0.6em solid transparent !important;\"><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 style=\"display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;height: auto;align-self: flex-start;background-color: rgb(255, 229, 231);padding: 6px 6px 6px 14px;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n\u5b89\u88c5\u548c\u8f7d\u5165<\/strong><\/p>\n<\/section>\n<\/section>\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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>\u5b89\u88c5\uff1ainstall.packages(\"magrittr\"<\/span>)<\/span><\/code><code>\u8f7d\u5165\uff1alibrary(magrittr)<\/span><\/code><\/pre>\n<\/section>\n <\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row nowrap;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row nowrap;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(189, 216, 245);min-width: 5%;height: auto;padding: 6px 15px;\">\n<section style=\"color: rgb(255, 255, 255);text-align: justify;\" powered-by=\"xiumi.us\">\n\u4e8c<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"margin-bottom: -6px;transform: scale(0.66);transform-origin: left top;\" powered-by=\"xiumi.us\">\n<section style=\"line-height: 1;transform: translate3d(12px, 0px, 0px);\">\n<section style=\"width: 0px;display: inline-block;border-top: 0.6em solid rgb(247, 221, 223);border-left: 0.6em solid rgb(247, 221, 223);border-bottom: 0.6em solid transparent !important;border-right: 0.6em solid transparent !important;\"><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 style=\"display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;height: auto;align-self: flex-start;background-color: rgb(255, 229, 231);padding: 6px 6px 6px 14px;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n\u64cd\u4f5c<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\nmagrittr \u4e3b\u8981\u5305\u62ec 4 \u4e2a\u7ba1\u9053\u64cd\u4f5c\u7b26\uff0c\u5206\u522b\u4e3a%>% \u5411\u53f3\u64cd\u4f5c\u7b26\uff0c%T>% Tee \u64cd\u4f5c\u7b26\uff0c\u5411\u5de6\u64cd\u4f5c\u7b26\uff0c%$% \u89e3\u91ca\u64cd\u4f5c\u7b26\uff0c%<>% \u590d\u5408\u8d4b\u503c\u7ba1\u9053\u64cd\u4f5c\u7b26\uff0c\u63a5\u4e0b\u6765\u5c0f\u5e08\u59b9\u4e00\u4e00\u6f14\u793a\u4ed6\u4eec\u7684\u64cd\u4f5c\u7528\u6cd5\uff0c\u8ddf\u5c0f\u5e08\u59b9\u4e00\u8d77\u5b66\u4e60\u6765\u5427\u3002<\/p>\n <\/p>\n 1.%>%<\/strong><\/p>\n\u5c06\u5de6\u8fb9\u7684\u7ed3\u679c\u4f20\u9012\u7ed9\u53f3\u8fb9\u7684\u51fd\u6570\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u503c\uff0c\u5176\u7ed3\u679c\u53ef\u4ee5\u7ee7\u7eed\u5411\u53f3\u8fb9\u4f20\u9012\u3002<\/p>\n\uff081\uff09\u57fa\u672c\u7ba1\u9053\u64cd\u4f5c\uff1ax %>% f => f(x)\uff0cx %>% f(y) => f(x, y)\uff0cx %>% f %>% g %>% h => h(g(f(x)))<\/p>\n\u9ed8\u8ba4\u5c06 %>% \u5de6\u8fb9\u7684 x \u4f5c\u4e3a\u53f3\u8fb9\u7684\uff08\u5982 f \u51fd\u6570\uff09\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u5c0f\u5e08\u59b9\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> x <- 9<\/span><\/code><code>> f <- function<\/span>(x, y=3<\/span>) { return<\/span>(x+y) }<\/span><\/code><code>> x %>% f<\/span><\/code><code>[1<\/span>] 12<\/span><\/span><\/code><code>> x %>% f(2<\/span>)<\/span><\/code><code>[1<\/span>]11<\/span><\/span><\/code><\/pre>\n<\/section>\n\uff082\uff09\u53c2\u6570\u5360\u4f4d\u7b26\uff1ax %>% f(y, .) => f(y, x)\uff0cx %>% f(y, z = .) => f(y, z = x) <\/p>\n\u4f7f\u7528 . \u5360\u4f4d\u7b26\uff0c\u8868\u793a\u7ba1\u9053\u5de6\u8fb9\u4f20\u8fc7\u6765\u7684\u53d8\u91cf\uff0c\u5c0f\u5e08\u59b9\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/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>> x <- 9<\/span><\/code><code>> f <- function<\/span>(x, y=3<\/span>) { return<\/span>(x+y) }<\/span><\/code><code>> x %>% f(y = .,x = 5<\/span>)<\/span><\/code><code>[1<\/span>]14<\/span><\/span><\/code><\/pre>\n<\/section>\n\uff083\uff09\u5bf9\u5c5e\u6027\u91cd\u7528\u5360\u4f4d\u7b26\uff1ax %>% f(y = nrow(.), z = ncol(.)) => f(x, y = nrow(x), z = ncol(x))<\/p>\n<section powered-by=\"xiumi.us\">\n\u5728\u53f3\u4fa7\u8868\u8fbe\u5f0f\u4e2d\u53ef\u4ee5\u591a\u6b21\u4f7f\u7528\u5360\u4f4d\u7b26\u3002\u4f46\u662f\uff0c\u5f53\u5360\u4f4d\u7b26\u4ec5\u51fa\u73b0\u5728\u5d4c\u5957\u8868\u8fbe\u5f0f\u4e2d\u65f6\uff0cmagrittr \u4ecd\u5c06\u5e94\u7528\u7b2c\u4e00\u4e2a\u53c2\u6570\u89c4\u5219\u3002\u56e0\u4e3a\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4f1a\u4ea7\u751f\u66f4\u5e72\u51c0\u7684\u4ee3\u7801\u3002<\/p>\n\u53ef\u4ee5\u901a\u8fc7\u5c06\u53f3\u4fa7\u8868\u8fbe\u5f0f\u7528\u5927\u62ec\u53f7\u5305\u88f9\u6765\u53d6\u6d88\u8fd9\u4e00\u89c4\u5219\uff1ax %>% {f(y = nrow(.), z = ncol(.))} => f(y = nrow(x), z = ncol(x))<\/p>\n\u63a5\u4e0b\u6765\u5c0f\u5e08\u59b9\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5c0f\u4f19\u4f34\u4eec\u6765\u7406\u89e3\u4e00\u4e0b\u3002<\/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<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>> x <- matrix(1<\/span>:8<\/span>, nrow = 2<\/span>, ncol = 4<\/span>)<\/span><\/code><code>> f<- function<\/span>(x, y, z) { return<\/span>(x * y * z) }<\/span><\/code><code>> x %>% f(y = nrow(.), z = ncol(.)) <\/span><\/code><code>[,1<\/span>] [,2<\/span>] [,3<\/span>] [,4<\/span>]<\/span><\/code><code>[1<\/span>,] 8<\/span> 24<\/span> 40<\/span> 56<\/span><\/span><\/code><code>[2<\/span>,] 16<\/span> 32<\/span> 48<\/span> 64<\/span><\/span><\/code><code>> x %>% {f(y = nrow(.), z = ncol(.))}<\/span><\/code><code>Error in<\/span> f(y = nrow(.), z = ncol(.)) : <\/span><\/code><code> argument \"x\"<\/span> is missing<\/span>, with no default <\/span><\/code><code>#\u8fd9\u91cc\u62a5\u9519\u662f\u56e0\u4e3a\u7f3a\u5c11\u53c2\u6570\"x\"\u4e5f\u6ca1\u6709\u7f3a\u7701\u503c\u3002<\/span><\/span><\/code><code>> x %>% {f(1<\/span>, y = nrow(.), z = ncol(.))}<\/span><\/code><code>[1<\/span>]8<\/span><\/span><\/code><\/pre>\n<\/section>\n\uff084\uff09\u7ed1\u5b9a\u51fd\u6570\uff1a\u4efb\u4f55\u4ee5 . \u5f00\u5934\u7684\u7ba1\u9053\u5e8f\u5217\u5c06\u4f1a\u8fd4\u56de\u4e00\u4e2a\u4e00\u5143\u51fd\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4f <- . %>% cos %>% sin \u4e0ef <- function(.) sin(cos(.)) \u662f\u76f8\u7b49\u7684\u3002<\/p>\n\u5c0f\u5e08\u59b9\u8fd8\u662f\u6765\u4e3e\u4e24\u4e2a\u4f8b\u5b50\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u3002<\/p>\n\u4e3e\u4f8b1\uff1a\u4f20\u9012\u5230\u4ee3\u7801\u5757<\/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>> rnorm(5<\/span>) %>% multiply_by(3<\/span>) %>% add(2<\/span>) %>%<\/span><\/code><code>+ {<\/span><\/code><code>+ print(\"Mean:\"<\/span>, mean(.))<\/span><\/code><code>+ sort(.) %>% head(3<\/span>)<\/span><\/code><code>+ }<\/span><\/code><code>[1<\/span>] \"Mean:\"<\/span><\/span><\/code><code>[1<\/span>] -1.600125694<\/span> -0.003594282<\/span> 2.892074260<\/span><\/span><\/code><\/pre>\n<\/section>\n\u4e3e\u4f8b2\uff1a\u4f20\u9012\u5230\u51fd\u6570<\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> rnorm(5<\/span>) %>% add(1<\/span>) %>% `*`(5<\/span>) %>%(<\/span><\/code><code>+ function<\/span>(x) {<\/span><\/code><code>+ if<\/span> (x[1<\/span>] > 5<\/span>) {<\/span><\/code><code>+ x-5<\/span><\/span><\/code><code>+ } else<\/span> x<\/span><\/code><code>+ }<\/span><\/code><code>+ )<\/span><\/code><code>[1<\/span>] 1.159504<\/span> 6.172372<\/span> 2.371457<\/span> 9.932066<\/span> -7.305487<\/span><\/span><\/code><\/pre>\n<\/section>\n <\/p>\n2. %T>%<\/strong><\/p>\n\u4e0e %>% \u7684\u533a\u522b\u662f\u5176\u7ed3\u679c\u4e0d\u80fd\u5411\u53f3\u4f20\u9012\uff0c\u800c\u662f\u5c06 %T>% \u5de6\u8fb9\u7684\u7ed3\u679c\u7ee7\u7eed\u5411\u53f3\u4f20\u9012\u4e0b\u53bb\uff0c%T>% \u901a\u5e38\u7528\u6765\u8f93\u51fa\u56fe\u5f62\u3001\u6253\u5370\u7ed3\u679c\u5230\u5c4f\u5e55\u6216\u8005\u8f93\u51fa\u5230\u6587\u4ef6\uff0c\u7136\u540e\u7ee7\u7eed\u540e\u9762\u7684 %>% \u64cd\u4f5c\u800c\u5176\u5de6\u8fb9\u7684\u503c\u76f8\u5f53\u4e8e\u505a\u4e86\u4e24\u6b21\u4f20\u9012\uff0c\u5206\u522b\u4f20\u9012\u7ed9 %T>% \u53f3\u4fa7\u8868\u8fbe\u5f0f\u4ee5\u53ca\u5176\u540e\u9762\u7684 %>% \u7ba1\u9053\u7b26\u7684\u53f3\u4fa7\u8868\u8fbe\u5f0f\u3002\u5c0f\u5e08\u59b9\u8fd8\u662f\u7ed9\u5927\u5bb6\u4e3e\u4f8b\u6765\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u638c\u63e1\u3002<\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> a <- 3<\/span><\/code><code>> a %>% cos<\/span> %T>% print %>% sin<\/span><\/span><\/code><code>[1<\/span>] -0.9899925<\/span><\/span><\/code><code>[1<\/span>] -0.8360219<\/span><\/span><\/code><code>> x %>% cos<\/span> %T>% hist %>% sin<\/span> <\/span><\/code><code> [,1<\/span>] [,2<\/span>] [,3<\/span>] [,4<\/span>]<\/span><\/code><code>[1<\/span>,] 0.5143953<\/span> -0.8360219<\/span> 0.2798734<\/span> 0.6844888<\/span><\/span><\/code><code>[2<\/span>,] -0.4042392<\/span> -0.6080830<\/span> 0.8192892<\/span> -0.1449872<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.6781065088757396\" data-type=\"png\" data-w=\"845\" style=\"vertical-align: middle;width: 100%;height: auto !important;\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_aEqOibiahdvOkTWdV9wZrmXSia5wRA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEUs5CyNWdLD0d3SibfRrNOicC8jgrT6UttWPmL8yxYdcHPKCftfbaEqOibiahdvOkTWdV9wZrmXSia5wRA\/640?wx_fmt=png'\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n <\/p>\n3. %$%<\/strong><\/p>\n\u901a\u5e38\u5de6\u8fb9\u662f\u6570\u636e\u6846\uff0c%$% \u53f3\u8fb9\u7684\u51fd\u6570\u53ef\u76f4\u63a5\u4f7f\u7528\u8be5\u6570\u636e\u6846\u4e2d\u7684\u53d8\u91cf\uff0c\u8bf7\u5c0f\u4f19\u4f34\u4eec\u89c2\u5bdf\u4e0b\u9762\u4f8b\u5b50\u3002<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> x <- matrix(1<\/span>:12<\/span>, nrow = 3<\/span>, ncol = 4<\/span>)<\/span><\/code><code>> data.frame(x=x[,1<\/span>], y=x[,2<\/span>], z=x[,3<\/span>]) %$% .[which(x > 5<\/span>),]<\/span><\/code><code>[1<\/span>] x y z<\/span><\/code><code><0<\/span> \u884c> (\u62160<\/span>-\u957f\u5ea6\u7684row.names)<\/span><\/code><code>> data.frame(x=x[,1<\/span>], y=x[,2<\/span>], z=x[,3<\/span>]) %$% .[which(y > 5<\/span>),]<\/span><\/code><code> x y z<\/span><\/code><code>3 3<\/span> 6<\/span> 9<\/span><\/span><\/code><\/pre>\n<\/section>\n\u5c0f\u4f19\u4f34\u4eec\u662f\u5426\u53d1\u73b0\u4ed6\u5c31\u7b49\u4e8e\uff1a<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> df <- data.frame(x=x[,1<\/span>], y=x[,2<\/span>], z=x[,3<\/span>])<\/span><\/code><code>> df[which(df$y>5<\/span>),]<\/span><\/code><code> x y z<\/span><\/code><code>3 3<\/span> 6<\/span> 9<\/span><\/span><\/code><\/pre>\n<\/section>\n <\/p>\n4.%<>%<\/strong><\/p>\n\u53ea\u80fd\u51fa\u73b0\u5728\u6240\u6709\u7ba1\u9053\u7b26\u7684\u7b2c\u4e00\u4e2a\uff0c\u7528\u4e8e\u5728\u4e00\u957f\u4e32\u5904\u7406\u7ba1\u9053\u64cd\u4f5c\u4e4b\u540e\u76f4\u63a5\u5c06\u503c\u8d4b\u503c\u5230\u6700\u5de6\u8fb9\u7684\u5bf9\u8c61\u4e0a\uff0c\u5c0f\u5e08\u59b9\u8fd8\u662f\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u54c8\u3002<\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code>> a <- 1:5<\/span><\/span><\/code><code>> print(a)<\/span><\/code><code>1<\/span> 2<\/span> 3<\/span> 4<\/span> 5<\/span><\/span><\/code><code>> a %<>% exp<\/span> %>% sqrt<\/span><\/span><\/code><code>> print(a)<\/span><\/code><code>[1<\/span>] 1.648721<\/span> 2.718282<\/span> 4.481689<\/span> 7.389056<\/span> 12.182494<\/span><\/span><\/code><\/pre>\n<\/section>\n<section powered-by=\"xiumi.us\">\n\u600e\u4e48\u6837\uff0c\u5927\u5bb6\u8ddf\u7740\u5c0f\u5e08\u59b9\u7684\u6b65\u4f10\u662f\u4e0d\u662f\u89c9\u5f97\u5b66\u5230\u5f88\u591a\u4e1c\u897f\u5462\uff0cmagrittr\u5305\u7684\u8bb2\u89e3\u4eca\u5929\u5c31\u5230\u8fd9\u5566\uff0c\u5982\u679c\u6709\u5176\u4ed6\u95ee\u9898\uff0c\u6b22\u8fce\u5c0f\u4f19\u4f34\u4eec\u968f\u65f6\u4e0e\u5c0f\u5e08\u59b9\u8ba8\u8bba\u54e6\uff0c\u4e0b\u6b21\u518d\u4f1a\u5566\u3002<\/p>\n <\/p>\n<img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.5555555555555556\" data-s=\"300,640\" data-type=\"jpeg\" data-w=\"900\" style=\"font-size: 16px;letter-spacing: 0.578px;text-align: center;height: auto !important;\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_FR3wic4MfRmIDKtUUHZdHrGxiaj1ow.jpg?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_jpg\/oCSOtP61aEWjRWAeR9wicY9JyrK13cNBaaEibns0HMqkENpTUga2VEOTxwbRFR3wic4MfRmIDKtUUHZdHrGxiaj1ow\/640?wx_fmt=jpeg'\" data-recalc-dims=\"1\" \/><\/p>\n<\/section>\n<\/section>\n<mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<\/content>\n<\/div>\n<\/body> \n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"\u5e08\u59b9\u5e26\u4f60\u8ba4\u8bc6R\u6570\u636e\u5904\u7406\u4e4bmagrittr \u5c0f\u5e08\u59b9 \u751f\u4fe1\u679c 2023 […]<\/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\/58950"}],"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=58950"}],"version-history":[{"count":1,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58950\/revisions"}],"predecessor-version":[{"id":58953,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58950\/revisions\/58953"}],"wp:attachment":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58950"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}