{"id":2895,"date":"2023-07-20T04:57:58","date_gmt":"2023-07-20T04:57:58","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%91%e1%85%b3%e1%86%af%e1%84%85%e1%85%a9%e1%86%ba-r\/"},"modified":"2023-07-20T04:57:58","modified_gmt":"2023-07-20T04:57:58","slug":"%e1%84%91%e1%85%b3%e1%86%af%e1%84%85%e1%85%a9%e1%86%ba-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%91%e1%85%b3%e1%86%af%e1%84%85%e1%85%a9%e1%86%ba-r\/","title":{"rendered":"Pca \uacb0\uacfc\ub97c \uc2dc\uac01\ud654\ud558\uae30 \uc704\ud574 r\uc5d0\uc11c biplot\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>\uc8fc\uc131\ubd84 \ubd84\uc11d<\/strong> (PCA)\uc740 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubcc0\ub3d9 \uc911 \ud070 \ubd80\ubd84\uc744 \uc124\uba85\ud558\ub294 \uc8fc\uc131\ubd84\uc744 \ucc3e\ub294 <a href=\"https:\/\/statorials.org\/ko\/\u110c\u1175\u1103\u1169-\u1112\u1161\u11a8\u1109\u1173\u11b8\u1100\u116a-\u1107\u1175\u110c\u1175\u1103\u1169-\u1112\u1161\u11a8\u1109\u1173\u11b8\/\" target=\"_blank\" rel=\"noopener noreferrer\">\ube44\uc9c0\ub3c4<\/a> \uae30\uacc4 \ud559\uc2b5 \uae30\uc220\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130 \uc138\ud2b8\uc5d0 \ub300\ud55c PCA \uacb0\uacfc\ub97c \uc2dc\uac01\ud654\ud558\uae30 \uc704\ud574 \ucc98\uc74c \ub450 \uac1c\uc758 \uc8fc\uc131\ubd84\uc73c\ub85c \uad6c\uc131\ub41c \ud3c9\uba74\uc5d0 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uac01 \uad00\uce21\uce58\ub97c \ud45c\uc2dc\ud558\ub294 \ub3c4\ud45c\uc778 <strong>biplot\uc744<\/strong> \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">R\uc5d0\uc11c \ub2e4\uc74c \uae30\ubcf8 \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec Biplot\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#perform PCA<\/span>\nresults &lt;- princomp(df)\n\n<span style=\"color: #008080;\">#create biplot to visualize results of PCA<\/span>\nbiplot(results)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 \uc2e4\uc81c\ub85c \uc774 \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\uc608: R\uc5d0\uc11c Biplot\uc744 \uc0dd\uc131\ud558\ub294 \ubc29\ubc95<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\uc774 \uc608\uc5d0\uc11c\ub294 <strong>USArrests<\/strong> \ub77c\ub294 \ub0b4\uc7a5 R \ub370\uc774\ud130 \uc138\ud2b8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#view first six rows of <em>USArrests<\/em> dataset<\/span>\nhead(USArrests)\n\n           Murder Assault UrbanPop Rape\nAlabama 13.2 236 58 21.2\nAlaska 10.0 263 48 44.5\nArizona 8.1 294 80 31.0\nArkansas 8.8 190 50 19.5\nCalifornia 9.0 276 91 40.6\nColorado 7.9 204 78 38.7\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec PCA\ub97c \uc218\ud589\ud558\uace0 \uacb0\uacfc\ub97c Biplot\uc73c\ub85c \uc2dc\uac01\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #993300;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#perform PCA\n<\/span>results &lt;- princomp(USArrests)\n\n<span style=\"color: #008080;\">#visualize results of PCA in biplot\n<\/span>biplot(results)\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25283 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/biplot1.jpg\" alt=\"\" width=\"448\" height=\"449\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">x\ucd95\uc740 \uccab \ubc88\uc9f8 \uc8fc\uc131\ubd84\uc744 \ud45c\uc2dc\ud558\uace0, y\ucd95\uc740 \ub450 \ubc88\uc9f8 \uc8fc\uc131\ubd84\uc744 \ud45c\uc2dc\ud558\uba70, \ub370\uc774\ud130\uc138\ud2b8\uc758 \uac1c\ubcc4 <a href=\"https:\/\/statorials.org\/ko\/\u1110\u1169\u11bc\u1100\u1168\u110b\u1166\u1109\u1165\u110b\u1174-\u1100\u116a\u11ab\u110e\u1161\u11af\/\" target=\"_blank\" rel=\"noopener\">\uad00\uce21\uac12\uc740<\/a> 4\uac1c \ubcc0\uc218\uac00 \ubaa8\ub450 \ube68\uac04\uc0c9\uc73c\ub85c \ud45c\uc2dc\ub41c \uadf8\ub798\ud504 \ub0b4\ubd80\uc5d0 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud50c\ub86f\uc758 \ubaa8\uc591\uc744 \ubcc0\uacbd\ud558\uae30 \uc704\ud574 <strong>biplot<\/strong> \ud568\uc218\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uba87 \uac00\uc9c0 \uc778\uc218\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud50c\ub86f\uc758 \uc0c9\uc0c1, \uae00\uaf34 \ud06c\uae30, \ucd95 \uacbd\uacc4, \ud50c\ub86f \uc81c\ubaa9, \ucd95 \uc81c\ubaa9 \ubc0f \ud654\uc0b4\ud45c \ud06c\uae30\ub97c \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create biplot with custom appearance\n<\/span>biplot(results,\n       col=c(' <span style=\"color: #ff0000;\">blue<\/span> ', ' <span style=\"color: #ff0000;\">red<\/span> '),\n       cex=c(1, 1.3),\n       xlim=c(-.4, .4),\n       main=' <span style=\"color: #ff0000;\">PCA Results<\/span> ',\n       xlab=' <span style=\"color: #ff0000;\">First Component<\/span> ',\n       ylab=' <span style=\"color: #ff0000;\">Second Component<\/span> ',\n       expand= <span style=\"color: #008000;\">1.2<\/span> )<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-25284\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/biplot2.jpg\" alt=\"R\uc758 Biplot\" width=\"443\" height=\"463\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">\uc774 Biplot\uc740 \uc774\uc804 Biplot\ubcf4\ub2e4 \uc77d\uae30\uac00 \uc870\uae08 \ub354 \uc27d\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/www.rdocumentation.org\/packages\/stats\/versions\/3.6.2\/topics\/biplot\" target=\"_blank\" rel=\"noopener\">\uc5ec\uae30\uc5d0\uc11c<\/a> Biplot\uc758 \ubaa8\uc591\uc744 \ubcc0\uacbd\ud558\ub294 \ub370 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc778\uc218\uc758 \uc804\uccb4 \ubaa9\ub85d\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 \uc8fc\uc131\ubd84 \ubd84\uc11d\uc5d0 \ub300\ud55c \ucd94\uac00 \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/ko\/\u110c\u1175\u1103\u1169-\u1112\u1161\u11a8\u1109\u1173\u11b8\u1100\u116a-\u1107\u1175\u110c\u1175\u1103\u1169-\u1112\u1161\u11a8\u1109\u1173\u11b8\/\" target=\"_blank\" rel=\"noopener\">\uc9c0\ub3c4 \ubc0f \ube44\uc9c0\ub3c4 \ud559\uc2b5\uc5d0 \ub300\ud55c \ube60\ub978 \uc18c\uac1c<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/r\u110b\u1174-\u110c\u116e\u1109\u1165\u11bc\u1107\u116e\u11ab-\u1107\u116e\u11ab\u1109\u1165\u11a8\/\" target=\"_blank\" rel=\"noopener\">R\uc758 \uc8fc\uc131\ubd84 \ubd84\uc11d: \ub2e8\uacc4\ubcc4 \uc608<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc8fc\uc131\ubd84 \ubd84\uc11d (PCA)\uc740 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubcc0\ub3d9 \uc911 \ud070 \ubd80\ubd84\uc744 \uc124\uba85\ud558\ub294 \uc8fc\uc131\ubd84\uc744 \ucc3e\ub294 \ube44\uc9c0\ub3c4 \uae30\uacc4 \ud559\uc2b5 \uae30\uc220\uc785\ub2c8\ub2e4. \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130 \uc138\ud2b8\uc5d0 \ub300\ud55c PCA \uacb0\uacfc\ub97c \uc2dc\uac01\ud654\ud558\uae30 \uc704\ud574 \ucc98\uc74c \ub450 \uac1c\uc758 \uc8fc\uc131\ubd84\uc73c\ub85c \uad6c\uc131\ub41c \ud3c9\uba74\uc5d0 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uac01 \uad00\uce21\uce58\ub97c \ud45c\uc2dc\ud558\ub294 \ub3c4\ud45c\uc778 biplot\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. R\uc5d0\uc11c \ub2e4\uc74c \uae30\ubcf8 \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec Biplot\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. #perform PCA results &lt;- princomp(df) #create [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-2895","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCA \uacb0\uacfc\ub97c \uc2dc\uac01\ud654\ud558\uae30 \uc704\ud574 R\uc5d0\uc11c Biplot\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95 - Statorials<\/title>\n<meta name=\"description\" content=\"\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 \uc8fc\uc131\ubd84 \ubd84\uc11d \uacb0\uacfc\ub97c \uc2dc\uac01\ud654\ud558\uae30 \uc704\ud574 R\uc5d0\uc11c Biplot\uc744 \uc0dd\uc131\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/ko\/\u1111\u1173\u11af\u1105\u1169\u11ba-r\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PCA \uacb0\uacfc\ub97c \uc2dc\uac01\ud654\ud558\uae30 \uc704\ud574 R\uc5d0\uc11c Biplot\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95 - 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