{"id":4579,"date":"2023-07-09T22:48:50","date_gmt":"2023-07-09T22:48:50","guid":{"rendered":"https:\/\/statorials.org\/ko\/sas%e1%84%8b%e1%85%b4-%e1%84%8c%e1%85%ae%e1%84%89%e1%85%a5%e1%86%bc%e1%84%87%e1%85%ae%e1%86%ab-%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a5%e1%86%a8\/"},"modified":"2023-07-09T22:48:50","modified_gmt":"2023-07-09T22:48:50","slug":"sas%e1%84%8b%e1%85%b4-%e1%84%8c%e1%85%ae%e1%84%89%e1%85%a5%e1%86%bc%e1%84%87%e1%85%ae%e1%86%ab-%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a5%e1%86%a8","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/sas%e1%84%8b%e1%85%b4-%e1%84%8c%e1%85%ae%e1%84%89%e1%85%a5%e1%86%bc%e1%84%87%e1%85%ae%e1%86%ab-%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a5%e1%86%a8\/","title":{"rendered":"Sas\uc5d0\uc11c \uc8fc\uc131\ubd84 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\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(\uc608\uce21 \ubcc0\uc218\uc758 \uc120\ud615 \uc870\ud569)\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\">\ube44\uc9c0\ub3c4<\/a> \uae30\uacc4 \ud559\uc2b5 \uae30\uc220\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">SAS\uc5d0\uc11c PCA\ub97c \uc218\ud589\ud558\ub294 \uac00\uc7a5 \uac04\ub2e8\ud55c \ubc29\ubc95\uc740 \ub2e4\uc74c \uae30\ubcf8 \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 <strong>PROC PRINCOMP<\/strong> \ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #800080;\">proc princomp<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data <span style=\"color: #3366ff;\">out<\/span> =out_data <span style=\"color: #3366ff;\">outstat<\/span> =stats;\n    <span style=\"color: #3366ff;\">var<\/span> var1 var2 var3;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\uac01 \uba85\ub839\uc774 \uc218\ud589\ud558\ub294 \uc791\uc5c5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>data<\/strong> : PCA\uc5d0 \uc0ac\uc6a9\ud560 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uc774\ub984<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>out<\/strong> : \ubaa8\ub4e0 \uc6d0\ubcf8 \ub370\uc774\ud130\uc640 \uc8fc\uc131\ubd84 \uc810\uc218\ub97c \ud3ec\ud568\ud558\ub294 \uc0dd\uc131\ud560 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uc774\ub984\uc785\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>outstat<\/strong> : \ud3c9\uade0, \ud45c\uc900 \ud3b8\ucc28, \uc0c1\uad00 \uacc4\uc218, \uace0\uc720\uac12 \ubc0f \uace0\uc720 \ubca1\ud130\ub97c \ud3ec\ud568\ud558\ub294 \ub370\uc774\ud130 \uc138\ud2b8\ub97c \uc0dd\uc131\ud558\ub3c4\ub85d \uc9c0\uc815\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>var<\/strong> : \uc785\ub825 \ub370\uc774\ud130 \uc138\ud2b8\uc5d0\uc11c PCA\uc5d0 \uc0ac\uc6a9\ud560 \ubcc0\uc218\uc785\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ub2e8\uacc4\ubcc4 \uc608\uc5d0\uc11c\ub294 \uc2e4\uc81c\ub85c <strong>PROC PRINCOMP<\/strong> \ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec SAS\uc5d0\uc11c \uc8fc\uc131\ubd84 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>1\ub2e8\uacc4: \ub370\uc774\ud130\uc138\ud2b8 \ub9cc\ub4e4\uae30<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">20\uba85\uc758 \ub18d\uad6c \uc120\uc218\uc5d0 \ub300\ud55c \ub2e4\uc591\ud55c \uc815\ubcf4\uac00 \ud3ec\ud568\ub41c \ub2e4\uc74c \ub370\uc774\ud130 \uc138\ud2b8\uac00 \uc788\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #800080;\">data<\/span> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> points assists rebounds;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\n22 8 4\n29 7 3\n10 4 12\n5 5 15\n35 6 2\n8 3 10\n10 4 8\n8 4 3\n2 5 17\n4 5 19\n9 9 4\n7 6 4\n31 5 3\n4 6 13\n5 7 8\n8 8 4\n10 4 8\n20 4 6\n25 8 8\n18 8 3\n;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35751 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pcasas1.png\" alt=\"\" width=\"247\" height=\"525\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h2> <span style=\"color: #000000;\"><strong>2\ub2e8\uacc4: \uc8fc\uc131\ubd84 \ubd84\uc11d \uc218\ud589<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\"><strong>PROC PRINCOMP<\/strong> \ubb38\uc744 \uc0ac\uc6a9\ud558\uba74 \ub370\uc774\ud130\uc138\ud2b8\uc758 <strong>points<\/strong> , <strong>Assists<\/strong> \ubc0f <strong>Bounces<\/strong> \ubcc0\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc8fc\uc131\ubd84 \ubd84\uc11d\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #800080;\"><span style=\"color: #008000;\">\/*perform principal components analysis*\/<\/span>\nproc princomp<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data <span style=\"color: #3366ff;\">out<\/span> =out_data <span style=\"color: #3366ff;\">outstat<\/span> =stats;\n    <span style=\"color: #3366ff;\">var<\/span> points assists rebounds;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\ucd9c\ub825\uc758 \uccab \ubc88\uc9f8 \ubd80\ubd84\uc5d0\ub294 \uac01 \uc785\ub825 \ubcc0\uc218\uc758 \ud3c9\uade0 \ubc0f \ud45c\uc900 \ud3b8\ucc28, \uc0c1\uad00 \ud589\ub82c, \uace0\uc720\uac12 \ubc0f \uace0\uc720\ubca1\ud130 \uac12\uc744 \ud3ec\ud568\ud55c \ub2e4\uc591\ud55c \uae30\uc220 \ud1b5\uacc4\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35752 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pcasas2.png\" alt=\"\" width=\"380\" height=\"647\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">\ucd9c\ub825\uc758 \ub2e4\uc74c \ubd80\ubd84\uc5d0\ub294 <strong>Scree \ud50c\ub86f<\/strong> \uacfc <strong>\uc124\uba85\ub41c \ubd84\uc0b0<\/strong> \ud50c\ub86f\uc774 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35753 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pcasas3.png\" alt=\"\" width=\"650\" height=\"371\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">PCA\ub97c \uc218\ud589\ud560 \ub54c \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uc804\uccb4 \ubcc0\ub3d9 \uc911 \uac01 \uc8fc\uc131\ubd84\uc774 \uba87 \ud37c\uc13c\ud2b8\ub97c \uc124\uba85\ud560 \uc218 \uc788\ub294\uc9c0 \uc774\ud574\ud558\ub824\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Correlation Matrix Eigenvalues<\/strong> \ub77c\ub294 \uc81c\ubaa9\uc758 \uacb0\uacfc \ud14c\uc774\ube14\uc744 \ud1b5\ud574 \uac01 \uc8fc\uc131\ubd84\uc774 \uc804\uccb4 \ubcc0\ub3d9\uc758 \uba87 \ud37c\uc13c\ud2b8\ub97c \uc124\uba85\ud558\ub294\uc9c0 \uc815\ud655\ud788 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uccab \ubc88\uc9f8 \uc8fc\uc131\ubd84\uc740 \ub370\uc774\ud130\uc138\ud2b8 \uc804\uccb4 \ubcc0\ub3d9\uc758 <strong>61.7%<\/strong> \ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">\ub450 \ubc88\uc9f8 \uc8fc\uc131\ubd84\uc740 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uc804\uccb4 \ubcc0\ub3d9\uc758 <strong>26.51%<\/strong> \ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uc138 \ubc88\uc9f8 \uc8fc\uc131\ubd84\uc740 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uc804\uccb4 \ubcc0\ub3d9\uc758 <strong>11.79%<\/strong> \ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\ubaa8\ub4e0 \ubc31\ubd84\uc728\uc744 \ub354\ud558\uba74 100%\uac00 \ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uadf8\ub7ec\uba74 <strong>Variance explained<\/strong> \ub77c\ub294 \uc81c\ubaa9\uc758 \ud50c\ub86f\uc744 \ud1b5\ud574 \uc774\ub7ec\ud55c \uac12\uc744 \uc2dc\uac01\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">x\ucd95\uc740 \uc8fc\uc131\ubd84\uc744 \ud45c\uc2dc\ud558\uace0 y\ucd95\uc740 \uac01 \uac1c\ubcc4 \uc8fc\uc131\ubd84\uc774 \uc124\uba85\ud558\ub294 \uc804\uccb4 \ubd84\uc0b0\uc758 \ubc31\ubd84\uc728\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>3\ub2e8\uacc4: \uacb0\uacfc\ub97c \uc2dc\uac01\ud654\ud558\uae30 \uc704\ud55c Biplot \ub9cc\ub4e4\uae30<\/strong><\/span><\/h2>\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;\">SAS\uc5d0\uc11c \ub2e4\uc74c \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;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create dataset with column called <em>obs<\/em> to represent row numbers of original data*\/<\/span>\n<span style=\"color: #800080;\">data<\/span> biplot_data;\n   <span style=\"color: #3366ff;\">set<\/span> out_data;\n   obs=_n_;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*create biplot using values from first two principal components*\/\n<\/span><span style=\"color: #800080;\">proc sgplot<\/span> <span style=\"color: #3366ff;\">data<\/span> =biplot_data;\n    <span style=\"color: #3366ff;\">scatter<\/span> <span style=\"color: #3366ff;\">x<\/span> =Prin1 <span style=\"color: #3366ff;\">y<\/span> =Prin2 \/ <span style=\"color: #3366ff;\">datalabel<\/span> =obs;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35754 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pcasas4.png\" alt=\"\" width=\"601\" 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> \uadf8\ub798\ud504 \ub0b4\ubd80\uc5d0 \uc791\uc740 \uc6d0\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uadf8\ub798\ud504\uc5d0 \ub098\ub780\ud788 \ud45c\uc2dc\ub41c \uad00\uce21\uac12\uc740 <strong>\ud3ec\uc778\ud2b8<\/strong> , <strong>\uc5b4\uc2dc\uc2a4\ud2b8<\/strong> , <strong>\ub9ac\ubc14\uc6b4\ub4dc<\/strong> \uc758 \uc138 \uac00\uc9c0 \ubcc0\uc218\uc5d0 \ub300\ud574 \ube44\uc2b7\ud55c \uac12\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc608\ub97c \ub4e4\uc5b4, \uadf8\ub798\ud504\uc758 \uac00\uc7a5 \uc67c\ucabd\uc5d0\uc11c \uad00\uce21\uce58 <strong>#9<\/strong> \uc640 <strong>#10\uc774<\/strong> \uc11c\ub85c \ub9e4\uc6b0 \uac00\uae5d\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc6d0\ubcf8 \ub370\uc774\ud130 \uc138\ud2b8\ub97c \ucc38\uc870\ud558\uba74 \uc774\ub7ec\ud55c \uad00\ucc30\uc5d0 \ub300\ud574 \ub2e4\uc74c \uac12\uc744 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\uad00\ucc30 9\ubc88<\/strong> : 2\ub4dd\uc810, 5\uc5b4\uc2dc\uc2a4\ud2b8, 17\ub9ac\ubc14\uc6b4\ub4dc<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\uad00\ucc30 #10<\/strong> : 4\ub4dd\uc810, 5\uc5b4\uc2dc\uc2a4\ud2b8, 19\ub9ac\ubc14\uc6b4\ub4dc<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uac12\uc740 \uc138 \ubcc0\uc218 \uac01\uac01\uc5d0 \ub300\ud574 \uc720\uc0ac\ud558\uba70, \uc774\ub294 \uc774\ub7ec\ud55c \uad00\uce21\uce58\uac00 Biplot\uc5d0\uc11c \uc11c\ub85c \ub108\ubb34 \uac00\uae4c\uc6b4 \uc774\uc720\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub610\ud55c <strong>Correlation Matrix Eigenvalues<\/strong> \ub77c\ub294 \uacb0\uacfc \ud14c\uc774\ube14\uc5d0\uc11c \ucc98\uc74c \ub450 \uac1c\uc758 \uc8fc\uc131\ubd84\uc774 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uc804\uccb4 \ubcc0\ub3d9\uc758 <strong>88.21%<\/strong> \ub97c \uc124\uba85\ud55c\ub2e4\ub294 \uac83\uc744 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774 \ubc31\ubd84\uc728\uc740 \ub9e4\uc6b0 \ub192\uae30 \ub54c\ubb38\uc5d0 Biplot\uc744 \uad6c\uc131\ud558\ub294 \ub450 \uac00\uc9c0 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\uac00 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uac70\uc758 \ubaa8\ub4e0 \ubcc0\ub3d9\uc744 \uc124\uba85\ud558\uae30 \ub54c\ubb38\uc5d0 Biplot\uc758 \uc5b4\ub5a4 \uad00\uce21\uce58\uac00 \uc11c\ub85c \uac00\uae4c\uc6b4\uc9c0 \ubd84\uc11d\ud558\ub294 \uac83\uc774 \uc720\ud6a8\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 SAS\uc5d0\uc11c \ub2e4\ub978 \uc77c\ubc18\uc801\uc778 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/ko\/sas\u110b\u1174-\u1103\u1161\u11ab\u1109\u116e\u11ab-\u1109\u1165\u11ab\u1112\u1167\u11bc-\u1112\u116c\u1100\u1171\/\" target=\"_blank\" rel=\"noopener\">SAS\uc5d0\uc11c \ub2e8\uc21c \uc120\ud615 \ud68c\uadc0\ub97c \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/sas\u110b\u1174-\u1103\u1161\u110c\u116e\u11bc-\u1109\u1165\u11ab\u1112\u1167\u11bc-\u1112\u116c\u1100\u1171\/\" target=\"_blank\" rel=\"noopener\">SAS\uc5d0\uc11c \ub2e4\uc911 \uc120\ud615 \ud68c\uadc0\ub97c \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/\u110b\u1166\u110b\u1165\u1105\u1169\u11a8\u110b\u1174-\u1105\u1169\u110c\u1175\u1109\u1173\u1110\u1175\u11a8-\u1112\u116c\u1100\u1171\/\" target=\"_blank\" rel=\"noopener\">SAS\uc5d0\uc11c \ub85c\uc9c0\uc2a4\ud2f1 \ud68c\uadc0\ub97c \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><\/span><\/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(\uc608\uce21 \ubcc0\uc218\uc758 \uc120\ud615 \uc870\ud569)\uc744 \ucc3e\ub294 \ube44\uc9c0\ub3c4 \uae30\uacc4 \ud559\uc2b5 \uae30\uc220\uc785\ub2c8\ub2e4. SAS\uc5d0\uc11c PCA\ub97c \uc218\ud589\ud558\ub294 \uac00\uc7a5 \uac04\ub2e8\ud55c \ubc29\ubc95\uc740 \ub2e4\uc74c \uae30\ubcf8 \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 PROC PRINCOMP \ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. proc princomp data =my_data out =out_data outstat =stats; var var1 var2 var3; run ; \uac01 \uba85\ub839\uc774 \uc218\ud589\ud558\ub294 \uc791\uc5c5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. data : [&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-4579","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>SAS\uc5d0\uc11c \uc8fc\uc131\ubd84 \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95 - 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