{"id":4827,"date":"2024-03-14T01:59:39","date_gmt":"2024-03-14T01:59:39","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-perform-linear-regression-analysis-in-the-r-language\/"},"modified":"2025-07-31T14:01:23","modified_gmt":"2025-07-31T14:01:23","slug":"how-to-perform-linear-regression-analysis-in-the-r-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-perform-linear-regression-analysis-in-the-r-language\/","title":{"rendered":"Linear Regression in R: Step-by-Step Guide"},"content":{"rendered":"<p>In R language, performing linear regression analysis typically requires using the lm() function, which is used to fit a linear model. Here is a simple example:<\/p>\n<p>Suppose there is a dataset called data, which includes independent variable x and dependent variable y, you can perform linear regression analysis using the following code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u521b\u5efa\u4e00\u4e2a\u6570\u636e\u96c6<\/span>\r\ndata <span class=\"hljs-operator\">&lt;-<\/span> data.frame<span class=\"hljs-punctuation\">(<\/span>x <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-built_in\">c<\/span><span class=\"hljs-punctuation\">(<\/span><span class=\"hljs-number\">1<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">2<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">3<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">4<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">5<\/span><span class=\"hljs-punctuation\">)<\/span><span class=\"hljs-punctuation\">,<\/span> y <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-built_in\">c<\/span><span class=\"hljs-punctuation\">(<\/span><span class=\"hljs-number\">2<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">4<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">6<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">8<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">10<\/span><span class=\"hljs-punctuation\">)<\/span><span class=\"hljs-punctuation\">)<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u4f7f\u7528lm()\u51fd\u6570\u8fdb\u884c\u7ebf\u6027\u56de\u5f52\u5206\u6790<\/span>\r\nmodel <span class=\"hljs-operator\">&lt;-<\/span> lm<span class=\"hljs-punctuation\">(<\/span>y <span class=\"hljs-operator\">~<\/span> x<span class=\"hljs-punctuation\">,<\/span> data <span class=\"hljs-operator\">=<\/span> data<span class=\"hljs-punctuation\">)<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u67e5\u770b\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u7684\u6458\u8981<\/span>\r\nsummary<span class=\"hljs-punctuation\">(<\/span>model<span class=\"hljs-punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>The code above first creates a dataset called data, then fits a linear regression model of y on x using the lm() function, and stores the results in the model object. Finally, the summary() function can be used to view the summary information of the linear regression model, including regression coefficients, intercept, R-squared, and other statistical indicators.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In R language, performing linear regression analysis typically requires using the lm() function, which is used to fit a linear model. Here is a simple example: Suppose there is a dataset called data, which includes independent variable x and dependent variable y, you can perform linear regression analysis using the following code: # \u521b\u5efa\u4e00\u4e2a\u6570\u636e\u96c6 data [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[337,4571,4570,65,4540],"class_list":["post-4827","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-data-analysis","tag-linear-regression","tag-lm-function","tag-r-programming","tag-statistical-modeling"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linear Regression in R: Step-by-Step Guide - 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