{"id":8070,"date":"2024-03-14T07:30:31","date_gmt":"2024-03-14T07:30:31","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-can-you-rename-a-column-in-r-language\/"},"modified":"2025-08-03T00:15:55","modified_gmt":"2025-08-03T00:15:55","slug":"how-can-you-rename-a-column-in-r-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-can-you-rename-a-column-in-r-language\/","title":{"rendered":"Rename Column in R: Quick Guide"},"content":{"rendered":"<p>To rename a column, you can use the colnames() function in R language. For example, if you want to change the column name &#8220;old_colname&#8221; to &#8220;new_colname&#8221; in the dataframe df, you can use the following code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u7ed9\u67d0\u4e2a\u5217\u6539\u540d<\/span>\r\ncolnames<span class=\"hljs-punctuation\">(<\/span>df<span class=\"hljs-punctuation\">)<\/span><span class=\"hljs-punctuation\">[<\/span>colnames<span class=\"hljs-punctuation\">(<\/span>df<span class=\"hljs-punctuation\">)<\/span> <span class=\"hljs-operator\">==<\/span> <span class=\"hljs-string\">\"old_colname\"<\/span><span class=\"hljs-punctuation\">]<\/span> <span class=\"hljs-operator\">&lt;-<\/span> <span class=\"hljs-string\">\"new_colname\"<\/span>\r\n<\/code><\/pre>\n<p>With this code, you can rename the column named &#8220;old_colname&#8221; in the df dataframe to &#8220;new_colname&#8221;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>To rename a column, you can use the colnames() function in R language. For example, if you want to change the column name &#8220;old_colname&#8221; to &#8220;new_colname&#8221; in the dataframe df, you can use the following code: # \u7ed9\u67d0\u4e2a\u5217\u6539\u540d colnames(df)[colnames(df) == &#8220;old_colname&#8221;] &lt;- &#8220;new_colname&#8221; With this code, you can rename the column named &#8220;old_colname&#8221; in the [&hellip;]<\/p>\n","protected":false},"author":13,"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":[10637,337,410,8232,65],"class_list":["post-8070","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-colnames","tag-data-analysis","tag-data-manipulation","tag-r-dataframe","tag-r-programming"],"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>Rename Column in R: Quick Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to rename columns in R using colnames() function. 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