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powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;padding-left: 12px;\">\n<section style=\"text-align: justify;color: rgb(255, 255, 255);\" powered-by=\"xiumi.us\">\n<p><strong>\u70b9\u51fb\u84dd\u5b57 \u5173\u6ce8\u6211\u4eec<\/strong><\/p>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: 34px;align-self: flex-start;flex: 0 0 auto;height: auto;overflow: hidden;margin-right: -17px;\">\n<section style=\"transform: rotateZ(60deg);\" powered-by=\"xiumi.us\">\n<section style=\"margin-top: 10px;margin-bottom: 10px;text-align: center;\">\n<section style=\"width: 100%;height: 5px;background-color: rgb(255, 255, 255);\"><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: 34px;align-self: flex-start;flex: 0 0 auto;height: auto;overflow: hidden;margin-right: -17px;\">\n<section style=\"transform: rotateZ(60deg);\" powered-by=\"xiumi.us\">\n<section style=\"margin-top: 10px;margin-bottom: 10px;text-align: center;\">\n<section style=\"width: 100%;height: 5px;background-color: rgb(201, 229, 70);\"><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: 34px;align-self: flex-start;flex: 0 0 auto;height: auto;overflow: hidden;\">\n<section style=\"transform: rotateZ(60deg);\" powered-by=\"xiumi.us\">\n<section style=\"margin-top: 10px;margin-bottom: 10px;text-align: center;\">\n<section style=\"width: 100%;height: 5px;background-color: rgb(255, 255, 255);\"><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<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>R\u5305MASS\u662fR\u8bed\u8a00\u4e2d\u7684\u4e00\u4e2a\u6269\u5c55\u5305\uff0c\u5168\u79f0\u4e3a”Modern Applied Statistics with S”\u3002\u8be5\u5305\u63d0\u4f9b\u4e86\u8bb8\u591a\u7528\u4e8e\u73b0\u4ee3\u5e94\u7528\u7edf\u8ba1\u5b66\u7684\u51fd\u6570\u548c\u6570\u636e\u96c6\uff0c\u662fR\u8bed\u8a00\u4e2d\u6700\u53d7\u6b22\u8fce\u7684\u6269\u5c55\u5305\u4e4b\u4e00\u3002<br \/><\/p>\n<p><br \/><\/p>\n<p>MASS\u5305\u5305\u542b\u4e86\u591a\u79cd\u7528\u4e8e\u7edf\u8ba1\u5efa\u6a21\u3001\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u7684\u51fd\u6570\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9bMASS\u5305\u7684\u4e3b\u8981\u529f\u80fd\u548c\u7279\u70b9\uff1a<\/p>\n<\/section>\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-width: 1px;border-radius: 8px;border-style: dotted;border-color: rgb(0, 0, 0);overflow: hidden;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: 15px 0%;\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(62, 62, 62);padding-right: 15px;padding-left: 15px;\">\n<p><span style=\"color: rgb(16, 116, 231);\"><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">1. \u7ebf\u6027\u6a21\u578b<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">\uff1a<\/span><\/span><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7528\u4e8e\u62df\u5408\u7ebf\u6027\u6a21\u578b\u7684\u51fd\u6570\uff0c\u5305\u62eclm()\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u62df\u5408\u7b80\u5355\u548c\u591a\u91cd\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u3002\u6b64\u5916\uff0c\u5305\u4e2d\u8fd8\u5305\u542b\u4e86\u4e00\u4e9b\u7528\u4e8e\u6a21\u578b\u8bca\u65ad\u548c\u9009\u62e9\u7684\u51fd\u6570\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;color: rgb(16, 116, 231);\">2. \u5e7f\u4e49\u7ebf\u6027\u6a21\u578b\uff1a<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u652f\u6301\u5e7f\u4e49\u7ebf\u6027\u6a21\u578b\uff08Generalized Linear Models\uff0cGLMs\uff09\uff0c\u53ef\u4ee5\u62df\u5408\u5305\u62ec\u4e8c\u9879\u5f0f\u56de\u5f52\u3001\u6cca\u677e\u56de\u5f52\u3001\u8d1f\u4e8c\u9879\u5f0f\u56de\u5f52\u7b49\u5728\u5185\u7684\u591a\u79cd\u6a21\u578b\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;color: rgb(16, 116, 231);\">3. \u5e7f\u4e49\u53ef\u52a0\u6a21\u578b\uff1a<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u63d0\u4f9b\u4e86\u7528\u4e8e\u62df\u5408\u5e7f\u4e49\u53ef\u52a0\u6a21\u578b\uff08Generalized Additive Models\uff0cGAMs\uff09\u7684\u51fd\u6570\u3002GAMs\u662f\u4e00\u79cd\u975e\u7ebf\u6027\u5e7f\u4e49\u7ebf\u6027\u6a21\u578b\uff0c\u5141\u8bb8\u901a\u8fc7\u6dfb\u52a0\u5e73\u6ed1\u51fd\u6570\u6765\u5efa\u6a21\u9884\u6d4b\u53d8\u91cf\u4e0e\u54cd\u5e94\u53d8\u91cf\u4e4b\u95f4\u7684\u975e\u7ebf\u6027\u5173\u7cfb\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;color: rgb(16, 116, 231);\">4. \u4e3b\u6210\u5206\u5206\u6790\uff1a<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u4e2d\u7684prcomp()\u548cprincipal()\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u8fdb\u884c\u4e3b\u6210\u5206\u5206\u6790\uff08Principal Component Analysis\uff0cPCA\uff09\uff0c\u7528\u4e8e\u964d\u7ef4\u548c\u6570\u636e\u53ef\u89c6\u5316\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><span style=\"color: rgb(16, 116, 231);\"><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">5. \u805a\u7c7b\u5206\u6790\uff1a<\/span><\/strong><\/span><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u5305\u542b\u4e86\u4e00\u4e9b\u7528\u4e8e\u805a\u7c7b\u5206\u6790\u7684\u51fd\u6570\uff0c\u5982kmeans()\u51fd\u6570\u548chclust()\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8eK\u5747\u503c\u805a\u7c7b\u548c\u5c42\u6b21\u805a\u7c7b\u5206\u6790\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;color: rgb(16, 116, 231);\">6. \u6b63\u5219\u5316\uff1a<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7528\u4e8e\u6b63\u5219\u5316\u7684\u51fd\u6570\uff0c\u5982ridge()\u51fd\u6570\u548classo()\u51fd\u6570\u3002\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u62df\u5408\u6b63\u5219\u5316\u7684\u7ebf\u6027\u6a21\u578b\uff0c\u4ee5\u51cf\u5c0f\u8fc7\u62df\u5408\u548c\u6539\u5584\u6a21\u578b\u7684\u9884\u6d4b\u6027\u80fd\u3002<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u8981\u4f7f\u7528MASS\u5305\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5c06\u5176\u5b89\u88c5\u548c\u52a0\u8f7d\u5230R\u73af\u5883\u4e2d\uff1a<br \/><\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">install.packages(<span class=\"code-snippet__string\">\"MASS\"<\/span>) <span class=\"code-snippet__comment\"># \u5b89\u88c5MASS\u5305<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">library(MASS) <span class=\"code-snippet__comment\"># \u52a0\u8f7dMASS\u5305<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"color: rgb(125, 127, 90);padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><span style=\"color: rgb(62, 62, 62);\">\u793a\u4f8b\uff1a<\/span><br \/><\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;transform: translate3d(-15px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(129, 167, 211);padding: 13px;\">\n<section style=\"text-align: justify;color: rgb(19, 53, 102);font-size: 16px;padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><strong>\u7ebf\u6027\u56de\u5f52<\/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<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">> library(MASS)<\/span><\/code><code><span class=\"code-snippet_outer\">> lm_model <- lm(medv ~ ., data = Boston)<\/span><\/code><code><span class=\"code-snippet_outer\">> summary(lm_model)<\/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=\"0.9903288201160542\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_v3ODtR09QiaxCt8ic8MrxQPeNy3mPQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKdib4M5egR63n0WJpCc9jUBiaV2lcVv3ODtR09QiaxCt8ic8MrxQPeNy3mPQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"1034\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;transform: translate3d(-15px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(129, 167, 211);padding: 13px;\">\n<section style=\"text-align: justify;color: rgb(19, 53, 102);font-size: 16px;padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><strong>\u4e3b\u6210\u5206\u5206\u6790<\/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<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">> library(MASS)<\/span><\/code><code><span class=\"code-snippet_outer\">> pca_result <- prcomp(USArrests, scale = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">> summary(pca_result)<\/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=\"0.22704081632653061\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_OdNibLLhBx7icEFD95CibsquXicO7g.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKduKAkjeCGvibbCU4W6ULddmXO6rhWVOdNibLLhBx7icEFD95CibsquXicO7g\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"784\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;transform: translate3d(-15px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(129, 167, 211);padding: 13px;\">\n<section style=\"text-align: justify;color: rgb(19, 53, 102);font-size: 16px;padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><strong>K\u5747\u503c\u805a\u7c7b<\/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<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">> library(MASS)<\/span><\/code><code><span class=\"code-snippet_outer\">> kmeans_result <- kmeans(USArrests, centers = <span class=\"code-snippet__number\">3<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">> kmeans_result$cluster<\/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=\"0.36018518518518516\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_Cm8rEyv4vF5kk8YKg902iaGDTAicvw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKd8ytOAyvmUQXvU0dYw5q0UoGBwaCm8rEyv4vF5kk8YKg902iaGDTAicvw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;transform: translate3d(-15px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(129, 167, 211);padding: 13px;\">\n<section style=\"text-align: justify;color: rgb(19, 53, 102);font-size: 16px;padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><strong>\u5e7f\u4e49\u7ebf\u6027\u6a21\u578b<\/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<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(MASS)<\/span><\/code><code><span class=\"code-snippet_outer\">> data(quine)<\/span><\/code><code><span class=\"code-snippet_outer\">> quine$AbsentBinary <- ifelse(quine$Days > <span class=\"code-snippet__number\">10<\/span>, <span class=\"code-snippet__number\">1<\/span>, <span class=\"code-snippet__number\">0<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">> glm_model <- glm(cbind(AbsentBinary, <span class=\"code-snippet__number\">10<\/span> - AbsentBinary) ~ ., data = quine, family = binomial)<\/span><\/code><code><span class=\"code-snippet_outer\">> summary(glm_model)<\/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=\"0.6537037037037037\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-08-04_\u300c\u8f6c\u300d\u4e00\u5206\u949f\u6559\u4f1a\u4f60\u5982\u4f55\u8fd0\u7528R\u8bed\u8a00\u5305\u201cMASS\u201d\/4_ESsNIXHghcYsFpRjY0AgSB6T4wiaSw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKd1NzaesamlJQprX9tgmpbKpjGHESsNIXHghcYsFpRjY0AgSB6T4wiaSw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 100%;\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 98%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;border-style: solid;border-width: 2px;border-color: rgb(160, 160, 160);padding: 27px;\">\n<section style=\"text-align: justify;line-height: 1.6;letter-spacing: 0px;padding-right: 6px;padding-left: 6px;\" powered-by=\"xiumi.us\">\n<p>\u4ee5\u4e0a\u5c31\u662f\u5bf9R\u5305MASS\u7684\u7b80\u5355\u4ecb\u7ecd\u5566\uff0c\u5b83\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u7edf\u8ba1\u5b66\u6269\u5c55\u5305\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u7528\u4e8e\u6570\u636e\u5206\u6790\u548c\u5efa\u6a21\u7684\u51fd\u6570\u548c\u6570\u636e\u96c6\u3002\u65e0\u8bba\u662f\u8fdb\u884c\u7ebf\u6027\u56de\u5f52\u3001\u5e7f\u4e49\u7ebf\u6027\u6a21\u578b\u3001\u4e3b\u6210\u5206\u5206\u6790\u8fd8\u662f\u805a\u7c7b\u5206\u6790\uff0cMASS\u5305\u90fd\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u51fd\u6570\u6765\u652f\u6301\u7528\u6237\u7684\u7edf\u8ba1\u5206\u6790\u5de5\u4f5c\u3002<\/p>\n<p><br \/><\/p>\n<p>\u6b22\u8fce\u4f7f\u7528\uff1a\u4e91\u751f\u4fe1 – \u5b66\u751f\u7269\u4fe1\u606f\u5b66 (biocloudservice.com)<\/p>\n<p><br \/><\/p>\n<p>\u5982\u679c\u60f3\u7528\u670d\u52a1\u5668\u53ef\u4ee5\u8054\u7cfb\u5fae\u4fe1\uff1a18502195490\uff08\u5feb\u6765\u8054\u7cfb\u6211\u4eec\u4f7f\u7528\u5427\uff01\uff09<\/p>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;display: flex;flex-flow: row;transform: translate3d(40px, 0px, 0px);margin-bottom: -40px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;align-self: flex-start;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"transform: rotateZ(45deg);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;\">\n<section style=\"display: inline-block;width: 26px;height: 26px;vertical-align: top;overflow: hidden;background-color: rgb(255, 255, 255);border-left: 1px solid rgb(160, 160, 160);border-bottom-left-radius: 0px;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><a target=\"_blank\" href=\"https:\/\/mp.weixin.qq.com\/s?__biz=MzAwNjE0MDY3MQ==&mid=2650761303&idx=2&sn=6f73471d1e82c56c0b2160d0fcd32d53&scene=21#wechat_redirect\" textvalue=\"\" linktype=\"image\" imgurl=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/KDvR2NrGicSYCoxhZfqr5L0fxy3C9eSFdt72DV7zqsmrNaiaaoOhic3sHzUpBN4r4MaBCk9p9v16yZwvMvS5nM7sQ\/0?wx_fmt=jpeg\" imgdata=\"[object Object]\" tab=\"innerlink\" data-linktype=\"1\" rel=\"noopener\"><span class=\"js_jump_icon h5_image_link\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.35083798882681566\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_pBN4r4MaBCk9p9v16yZwvMvS5nM7sQ-2.jpg?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/KDvR2NrGicSYCoxhZfqr5L0fxy3C9eSFdt72DV7zqsmrNaiaaoOhic3sHzUpBN4r4MaBCk9p9v16yZwvMvS5nM7sQ\/640?wx_fmt=jpeg'\" data-type=\"jpeg\" data-w=\"895\" style=\"\" data-recalc-dims=\"1\" \/><\/span><\/a><br \/><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.3488888888888889\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_uKaqczIP6EMQhkT9sW7c1bKv6z9AAg-1.jpg?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/KDvR2NrGicSYCoxhZfqr5L0fxy3C9eSFdD9CpdQZl2iaySUTmNepgg2BpMuKaqczIP6EMQhkT9sW7c1bKv6z9AAg\/640?wx_fmt=jpeg'\" data-type=\"jpeg\" data-w=\"900\" style=\"\" data-recalc-dims=\"1\" \/><\/p>\n<p powered-by=\"xiumi.us\">\uff08\u70b9\u51fb\u539f\u6587\u8df3\u8f6c\uff09<\/p>\n<section style=\"text-align: left;margin: 10px 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;min-width: 10%;vertical-align: top;padding-right: 20px;\">\n<section style=\"transform: translate3d(20px, 0px, 0px);margin: 10px 0% -30px;\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(62, 62, 62);text-align: justify;font-size: 12px;\">\n<p><strong><img decoding=\"async\" loading=\"lazy\" data-ratio=\"0.866\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-08-04_\u300c\u8f6c\u300d\u4e00\u5206\u949f\u6559\u4f1a\u4f60\u5982\u4f55\u8fd0\u7528R\u8bed\u8a00\u5305\u201cMASS\u201d\/7_wTtpI6ceKQVhXozfh5oWhib0M38ibA.gif\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_gif\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKdDAfO4YLUttAyhLhANRibjJDhTaEwTtpI6ceKQVhXozfh5oWhib0M38ibA\/640?wx_fmt=gif'\" data-type=\"gif\" data-w=\"500\" height=\"15\" style=\"width: 18px;height: 15px;\" width=\"18\" \/> \u70b9\u4e00\u4e0b\u9605\u8bfb\u539f\u6587\u4e86\u89e3\u66f4\u591a\u8d44\u8baf<\/strong><\/p>\n<\/section>\n<\/section>\n<section style=\"\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 50px;height: 40px;vertical-align: top;overflow: hidden;\">\n<section style=\"text-align: center;margin-right: 0%;margin-left: 0%;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=\"0.7709090909090909\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_3T1U5JAeC2VsZJmBrWzZto1J4ew3dw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKdWObYgwVBnMMfgP4lLYCRC0qO3T1U5JAeC2VsZJmBrWzZto1J4ew3dw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"275\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><span style=\"letter-spacing: 0.034em;text-align: justify;\"><\/span><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<p style=\"display: 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center;\">\n<section style=\"width: 100%;height: 5px;background-color: rgb(255, 255, 255);\"><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<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>R\u5305MASS\u662fR\u8bed\u8a00\u4e2d\u7684\u4e00\u4e2a\u6269\u5c55\u5305\uff0c\u5168\u79f0\u4e3a”Modern Applied Statistics with S”\u3002\u8be5\u5305\u63d0\u4f9b\u4e86\u8bb8\u591a\u7528\u4e8e\u73b0\u4ee3\u5e94\u7528\u7edf\u8ba1\u5b66\u7684\u51fd\u6570\u548c\u6570\u636e\u96c6\uff0c\u662fR\u8bed\u8a00\u4e2d\u6700\u53d7\u6b22\u8fce\u7684\u6269\u5c55\u5305\u4e4b\u4e00\u3002<br \/><\/p>\n<p><br \/><\/p>\n<p>MASS\u5305\u5305\u542b\u4e86\u591a\u79cd\u7528\u4e8e\u7edf\u8ba1\u5efa\u6a21\u3001\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u7684\u51fd\u6570\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9bMASS\u5305\u7684\u4e3b\u8981\u529f\u80fd\u548c\u7279\u70b9\uff1a<\/p>\n<\/section>\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-width: 1px;border-radius: 8px;border-style: dotted;border-color: rgb(0, 0, 0);overflow: hidden;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: 15px 0%;\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(62, 62, 62);padding-right: 15px;padding-left: 15px;\">\n<p><span style=\"color: rgb(16, 116, 231);\"><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">1. \u7ebf\u6027\u6a21\u578b<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">\uff1a<\/span><\/span><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7528\u4e8e\u62df\u5408\u7ebf\u6027\u6a21\u578b\u7684\u51fd\u6570\uff0c\u5305\u62eclm()\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u62df\u5408\u7b80\u5355\u548c\u591a\u91cd\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u3002\u6b64\u5916\uff0c\u5305\u4e2d\u8fd8\u5305\u542b\u4e86\u4e00\u4e9b\u7528\u4e8e\u6a21\u578b\u8bca\u65ad\u548c\u9009\u62e9\u7684\u51fd\u6570\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;color: rgb(16, 116, 231);\">2. \u5e7f\u4e49\u7ebf\u6027\u6a21\u578b\uff1a<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u652f\u6301\u5e7f\u4e49\u7ebf\u6027\u6a21\u578b\uff08Generalized Linear Models\uff0cGLMs\uff09\uff0c\u53ef\u4ee5\u62df\u5408\u5305\u62ec\u4e8c\u9879\u5f0f\u56de\u5f52\u3001\u6cca\u677e\u56de\u5f52\u3001\u8d1f\u4e8c\u9879\u5f0f\u56de\u5f52\u7b49\u5728\u5185\u7684\u591a\u79cd\u6a21\u578b\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;color: rgb(16, 116, 231);\">3. \u5e7f\u4e49\u53ef\u52a0\u6a21\u578b\uff1a<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u63d0\u4f9b\u4e86\u7528\u4e8e\u62df\u5408\u5e7f\u4e49\u53ef\u52a0\u6a21\u578b\uff08Generalized Additive Models\uff0cGAMs\uff09\u7684\u51fd\u6570\u3002GAMs\u662f\u4e00\u79cd\u975e\u7ebf\u6027\u5e7f\u4e49\u7ebf\u6027\u6a21\u578b\uff0c\u5141\u8bb8\u901a\u8fc7\u6dfb\u52a0\u5e73\u6ed1\u51fd\u6570\u6765\u5efa\u6a21\u9884\u6d4b\u53d8\u91cf\u4e0e\u54cd\u5e94\u53d8\u91cf\u4e4b\u95f4\u7684\u975e\u7ebf\u6027\u5173\u7cfb\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;color: rgb(16, 116, 231);\">4. \u4e3b\u6210\u5206\u5206\u6790\uff1a<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u4e2d\u7684prcomp()\u548cprincipal()\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u8fdb\u884c\u4e3b\u6210\u5206\u5206\u6790\uff08Principal Component Analysis\uff0cPCA\uff09\uff0c\u7528\u4e8e\u964d\u7ef4\u548c\u6570\u636e\u53ef\u89c6\u5316\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><span style=\"color: rgb(16, 116, 231);\"><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">5. \u805a\u7c7b\u5206\u6790\uff1a<\/span><\/strong><\/span><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u5305\u542b\u4e86\u4e00\u4e9b\u7528\u4e8e\u805a\u7c7b\u5206\u6790\u7684\u51fd\u6570\uff0c\u5982kmeans()\u51fd\u6570\u548chclust()\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8eK\u5747\u503c\u805a\u7c7b\u548c\u5c42\u6b21\u805a\u7c7b\u5206\u6790\u3002<\/span><\/p>\n<p><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\"><br \/><\/span><\/p>\n<p><strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;color: rgb(16, 116, 231);\">6. \u6b63\u5219\u5316\uff1a<\/span><\/strong><span style=\"text-shadow: rgb(255, 253, 231) 0.766044px 0.642788px 2px;\">MASS\u5305\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7528\u4e8e\u6b63\u5219\u5316\u7684\u51fd\u6570\uff0c\u5982ridge()\u51fd\u6570\u548classo()\u51fd\u6570\u3002\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u62df\u5408\u6b63\u5219\u5316\u7684\u7ebf\u6027\u6a21\u578b\uff0c\u4ee5\u51cf\u5c0f\u8fc7\u62df\u5408\u548c\u6539\u5584\u6a21\u578b\u7684\u9884\u6d4b\u6027\u80fd\u3002<\/span><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u8981\u4f7f\u7528MASS\u5305\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5c06\u5176\u5b89\u88c5\u548c\u52a0\u8f7d\u5230R\u73af\u5883\u4e2d\uff1a<br \/><\/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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">install.packages(<span class=\"code-snippet__string\">\"MASS\"<\/span>) <span class=\"code-snippet__comment\"># \u5b89\u88c5MASS\u5305<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">library(MASS) <span class=\"code-snippet__comment\"># \u52a0\u8f7dMASS\u5305<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"color: rgb(125, 127, 90);padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><span style=\"color: rgb(62, 62, 62);\">\u793a\u4f8b\uff1a<\/span><br \/><\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;transform: translate3d(-15px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(129, 167, 211);padding: 13px;\">\n<section style=\"text-align: justify;color: rgb(19, 53, 102);font-size: 16px;padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><strong>\u7ebf\u6027\u56de\u5f52<\/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<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">> library(MASS)<\/span><\/code><code><span class=\"code-snippet_outer\">> lm_model <- lm(medv ~ ., data = Boston)<\/span><\/code><code><span class=\"code-snippet_outer\">> summary(lm_model)<\/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=\"0.9903288201160542\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_v3ODtR09QiaxCt8ic8MrxQPeNy3mPQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKdib4M5egR63n0WJpCc9jUBiaV2lcVv3ODtR09QiaxCt8ic8MrxQPeNy3mPQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"1034\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;transform: translate3d(-15px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(129, 167, 211);padding: 13px;\">\n<section style=\"text-align: justify;color: rgb(19, 53, 102);font-size: 16px;padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><strong>\u4e3b\u6210\u5206\u5206\u6790<\/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<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">> library(MASS)<\/span><\/code><code><span class=\"code-snippet_outer\">> pca_result <- prcomp(USArrests, scale = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">> summary(pca_result)<\/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=\"0.22704081632653061\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_OdNibLLhBx7icEFD95CibsquXicO7g.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKduKAkjeCGvibbCU4W6ULddmXO6rhWVOdNibLLhBx7icEFD95CibsquXicO7g\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"784\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;transform: translate3d(-15px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(129, 167, 211);padding: 13px;\">\n<section style=\"text-align: justify;color: rgb(19, 53, 102);font-size: 16px;padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><strong>K\u5747\u503c\u805a\u7c7b<\/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<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">> library(MASS)<\/span><\/code><code><span class=\"code-snippet_outer\">> kmeans_result <- kmeans(USArrests, centers = <span class=\"code-snippet__number\">3<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">> kmeans_result$cluster<\/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=\"0.36018518518518516\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_Cm8rEyv4vF5kk8YKg902iaGDTAicvw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKd8ytOAyvmUQXvU0dYw5q0UoGBwaCm8rEyv4vF5kk8YKg902iaGDTAicvw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;transform: translate3d(-15px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;background-color: rgb(129, 167, 211);padding: 13px;\">\n<section style=\"text-align: justify;color: rgb(19, 53, 102);font-size: 16px;padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p><strong>\u5e7f\u4e49\u7ebf\u6027\u6a21\u578b<\/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<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(MASS)<\/span><\/code><code><span class=\"code-snippet_outer\">> data(quine)<\/span><\/code><code><span class=\"code-snippet_outer\">> quine$AbsentBinary <- ifelse(quine$Days > <span class=\"code-snippet__number\">10<\/span>, <span class=\"code-snippet__number\">1<\/span>, <span class=\"code-snippet__number\">0<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">> glm_model <- glm(cbind(AbsentBinary, <span class=\"code-snippet__number\">10<\/span> - AbsentBinary) ~ ., data = quine, family = binomial)<\/span><\/code><code><span class=\"code-snippet_outer\">> summary(glm_model)<\/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=\"0.6537037037037037\" data-s=\"300,640\" src=\"\u56fe\u7247\/\u751f\u4fe1\u679c_2023-08-04_\u300c\u8f6c\u300d\u4e00\u5206\u949f\u6559\u4f1a\u4f60\u5982\u4f55\u8fd0\u7528R\u8bed\u8a00\u5305\u201cMASS\u201d\/4_ESsNIXHghcYsFpRjY0AgSB6T4wiaSw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSY0HDOLF1miaOjw6hdPNvlKd1NzaesamlJQprX9tgmpbKpjGHESsNIXHghcYsFpRjY0AgSB6T4wiaSw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 100%;\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 98%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;border-style: solid;border-width: 2px;border-color: rgb(160, 160, 160);padding: 27px;\">\n<section style=\"text-align: justify;line-height: 1.6;letter-spacing: 0px;padding-right: 6px;padding-left: 6px;\" powered-by=\"xiumi.us\">\n<p>\u4ee5\u4e0a\u5c31\u662f\u5bf9R\u5305MASS\u7684\u7b80\u5355\u4ecb\u7ecd\u5566\uff0c\u5b83\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u7edf\u8ba1\u5b66\u6269\u5c55\u5305\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u7528\u4e8e\u6570\u636e\u5206\u6790\u548c\u5efa\u6a21\u7684\u51fd\u6570\u548c\u6570\u636e\u96c6\u3002\u65e0\u8bba\u662f\u8fdb\u884c\u7ebf\u6027\u56de\u5f52\u3001\u5e7f\u4e49\u7ebf\u6027\u6a21\u578b\u3001\u4e3b\u6210\u5206\u5206\u6790\u8fd8\u662f\u805a\u7c7b\u5206\u6790\uff0cMASS\u5305\u90fd\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u51fd\u6570\u6765\u652f\u6301\u7528\u6237\u7684\u7edf\u8ba1\u5206\u6790\u5de5\u4f5c\u3002<\/p>\n<p><br \/><\/p>\n<p>\u6b22\u8fce\u4f7f\u7528\uff1a\u4e91\u751f\u4fe1 – \u5b66\u751f\u7269\u4fe1\u606f\u5b66 (biocloudservice.com)<\/p>\n<p><br 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