{"id":116032,"date":"2024-03-23T05:02:10","date_gmt":"2024-03-22T20:02:10","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e8%a1%8c%e5%88%97%e5%90%8d%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8br%e8%a8%80%e8%aa%9e%e3%81%ae%e8%a1%8c%e5%88%97%e8%a1%a8%e7%8f%be\/"},"modified":"2024-03-26T19:33:47","modified_gmt":"2024-03-26T10:33:47","slug":"%e8%a1%8c%e5%88%97%e5%90%8d%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8br%e8%a8%80%e8%aa%9e%e3%81%ae%e8%a1%8c%e5%88%97%e8%a1%a8%e7%8f%be","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e8%a1%8c%e5%88%97%e5%90%8d%e3%82%92%e8%a8%ad%e5%ae%9a%e3%81%99%e3%82%8br%e8%a8%80%e8%aa%9e%e3%81%ae%e8%a1%8c%e5%88%97%e8%a1%a8%e7%8f%be\/","title":{"rendered":"\u884c\u5217\u540d\u3092\u8a2d\u5b9a\u3059\u308bR\u8a00\u8a9e\u306e\u884c\u5217\u8868\u73fe"},"content":{"rendered":"<p>R\u8a00\u8a9e\u3067\u306f\u3001rownames()\u3068colnames()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u884c\u5217\u306e\u884c\u3068\u5217\u306b\u540d\u524d\u3092\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u884c\u5217 mat \u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3068<\/p>\n<pre class=\"post-pre\"><code>mat &lt;- matrix(data = c(1, 2, 3, 4), nrow = 2, ncol = 2)\r\n<\/code><\/pre>\n<p>rownames()\u304a\u3088\u3073colnames()\u95a2\u6570\u3092\u7528\u3044\u3066\u3001\u884c\u5217\u306e\u884c\u304a\u3088\u3073\u5217\u306b\u540d\u524d\u3092\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>rownames(mat) &lt;- c(\"row1\", \"row2\")\r\ncolnames(mat) &lt;- c(\"col1\", \"col2\")\r\n<\/code><\/pre>\n<p>\u884c\u5217\u306e\u540d\u524d\u3092\u300crow1\u300d\u300crow2\u300d\u300ccol1\u300d\u300ccol2\u300d\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>rownames()\u304a\u3088\u3073colnames()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u540d\u524d\u4ed8\u304d\u884c\u3068\u5217\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>rownames(mat)  # \u83b7\u53d6\u884c\u540d\r\ncolnames(mat)  # \u83b7\u53d6\u5217\u540d\r\n<\/code><\/pre>\n<p>\u884c\u3068\u5217\u306e\u540d\u524d\u3092\u524a\u9664\u3059\u308b\u306b\u306f\u3001rownames() \u3068 colnames() \u95a2\u6570\u306e\u7d50\u679c\u3092 NULL \u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>rownames(mat) &lt;- NULL  # \u5220\u9664\u884c\u540d\r\ncolnames(mat) &lt;- NULL  # \u5220\u9664\u5217\u540d\r\n<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u884c\u5217\u306e\u547d\u540d\u306f\u4e0d\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u8a00\u8a9e\u3067\u306f\u3001rownames()\u3068colnames()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u3001\u884c\u5217\u306e\u884c\u3068\u5217\u306b\u540d\u524d\u3092\u4ed8\u3051\u3089\u308c\u307e\u3059\u3002 \u4f8b\u3048\u3070\u3001\u884c\u5217 mat \u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3068 mat &lt;- matrix(data = c(1, 2, 3, 4) [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-116032","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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