{"id":730,"date":"2024-07-11T08:14:39","date_gmt":"2024-07-11T08:14:39","guid":{"rendered":"http:\/\/www.ohsumin.com\/?p=730"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"%ec%9a%94%ec%9d%b8%eb%b6%84%ec%84%9dfa","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=730","title":{"rendered":"\uc694\uc778\ubd84\uc11d(FA: Factor Analysis)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uc694\uc778\ubd84\uc11d(Factor Analysis)\uc740 \ub2e4\ubcc0\ub7c9 \ud1b5\uacc4 \uae30\ubc95\uc758 \ud558\ub098\ub85c, \uc5ec\ub7ec \uad00\ucc30\ub41c \ubcc0\uc218\ub4e4 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uc5ec \uc774\ub4e4\uc744 \uc124\uba85\ud558\ub294 \uc7a0\uc7ac \uc694\uc778(\uacf5\ud1b5 \uc694\uc778)\uc744 \ucd94\ucd9c\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc694\uc778\ubd84\uc11d\uc740 \uc8fc\ub85c \ub370\uc774\ud130\uc758 \ucc28\uc6d0\uc744 \ucd95\uc18c\ud558\uace0, \ubcc0\uc218 \uac04\uc758 \uc228\uaca8\uc9c4 \uad6c\uc870\ub97c \uc774\ud574\ud558\uba70, \ub370\uc774\ud130\uc758 \uc8fc\uc694 \ud328\ud134\uc744 \uc2dd\ubcc4\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%9D%B8%EB%B6%84%EC%84%9D%EC%9D%98_%EC%A3%BC%EC%9A%94_%EA%B0%9C%EB%85%90\"><\/span>\uc694\uc778\ubd84\uc11d\uc758 \uc8fc\uc694 \uac1c\ub150<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc7a0\uc7ac \uc694\uc778 (Latent Factors)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc9c1\uc811 \uad00\ucc30\ud560 \uc218 \uc5c6\uc9c0\ub9cc \uc5ec\ub7ec \uad00\ucc30\ub41c \ubcc0\uc218\uc758 \ubcc0\ub3d9\uc744 \uc124\uba85\ud558\ub294 \uc228\uaca8\uc9c4 \ubcc0\uc218\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608\ub97c \ub4e4\uc5b4, \uc2ec\ub9ac\ud559 \uc5f0\uad6c\uc5d0\uc11c &#8220;\uc9c0\ub2a5&#8221;\uc774\ub098 &#8220;\uc131\uaca9&#8221;\uacfc \uac19\uc740 \uac1c\ub150\uc774 \uc7a0\uc7ac \uc694\uc778\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uad00\ucc30\ub41c \ubcc0\uc218 (Observed Variables)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc2e4\uc81c\ub85c \uce21\uc815\ub418\uac70\ub098 \uad00\ucc30\ub41c \ubcc0\uc218\ub4e4\ub85c, \uc694\uc778\ubd84\uc11d\uc744 \ud1b5\ud574 \uc7a0\uc7ac \uc694\uc778\uc5d0 \uc758\ud574 \uc124\uba85\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608\ub97c \ub4e4\uc5b4, \ud559\uc0dd\ub4e4\uc758 \uc2dc\ud5d8 \uc810\uc218, \ucd9c\uc11d\ub960, \uacfc\uc81c \uc81c\ucd9c\ub960 \ub4f1\uc774 \uad00\ucc30\ub41c \ubcc0\uc218\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc694\uc778 \uc801\uc7ac\uac12 (Factor Loadings)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uad00\ucc30\ub41c \ubcc0\uc218\uc640 \uc7a0\uc7ac \uc694\uc778 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ub098\ud0c0\ub0b4\ub294 \uac12\uc785\ub2c8\ub2e4. \uc694\uc778 \uc801\uc7ac\uac12\uc774 \ud074\uc218\ub85d \ud574\ub2f9 \uc694\uc778\uc774 \uad00\ucc30\ub41c \ubcc0\uc218\uc758 \ubcc0\ub3d9\uc744 \uc798 \uc124\uba85\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uacf5\ud1b5\uc131 (Communality)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac01 \uad00\ucc30\ub41c \ubcc0\uc218\uac00 \uacf5\ud1b5 \uc694\uc778\uc5d0 \uc758\ud574 \uc124\uba85\ub418\ub294 \uc815\ub3c4\ub97c \ub098\ud0c0\ub0b4\ub294 \uac12\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uacf5\ud1b5\uc131 \uac12\uc774 \ub192\uc744\uc218\ub85d \ud574\ub2f9 \ubcc0\uc218\uac00 \uacf5\ud1b5 \uc694\uc778\uc5d0 \uc758\ud574 \uc798 \uc124\uba85\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%9D%B8%EB%B6%84%EC%84%9D%EC%9D%98_%EC%A2%85%EB%A5%98\"><\/span>\uc694\uc778\ubd84\uc11d\uc758 \uc885\ub958<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud0d0\uc0c9\uc801 \uc694\uc778\ubd84\uc11d (Exploratory Factor Analysis, EFA)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub370\uc774\ud130 \ub0b4\uc758 \uc7a0\uc7ac \uc694\uc778 \uad6c\uc870\ub97c \ud0d0\uc0c9\ud558\uace0 \uc2dd\ubcc4\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc8fc\ub85c \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uc0ac\uc804 \uac00\uc124\uc774 \uc5c6\ub294 \uacbd\uc6b0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d (Confirmatory Factor Analysis, CFA)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc0ac\uc804\uc5d0 \uc815\uc758\ub41c \uc694\uc778 \uad6c\uc870\uac00 \ub370\uc774\ud130\ub97c \uc798 \uc124\uba85\ud558\ub294\uc9c0 \uac80\uc99d\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc8fc\ub85c \uc774\ub860\uc801 \uac00\uc124\uc774 \uc788\ub294 \uacbd\uc6b0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%9D%B8%EB%B6%84%EC%84%9D%EC%9D%98_%EC%A0%88%EC%B0%A8\"><\/span>\uc694\uc778\ubd84\uc11d\uc758 \uc808\ucc28<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub370\uc774\ud130 \uc218\uc9d1<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubd84\uc11d\ud560 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ub294 \uc8fc\ub85c \uc124\ubb38\uc9c0 \uc751\ub2f5, \ud14c\uc2a4\ud2b8 \uc810\uc218 \ub4f1\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc0c1\uad00 \ud589\ub82c \uacc4\uc0b0<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uad00\ucc30\ub41c \ubcc0\uc218\ub4e4 \uac04\uc758 \uc0c1\uad00 \ud589\ub82c\uc744 \uacc4\uc0b0\ud558\uc5ec \ubcc0\uc218\ub4e4 \uac04\uc758 \uad00\uacc4\ub97c \ud30c\uc545\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc694\uc778 \ucd94\ucd9c<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc7a0\uc7ac \uc694\uc778\uc744 \ucd94\ucd9c\ud569\ub2c8\ub2e4. \uc8fc\ub85c \uc8fc\uc131\ubd84 \ubd84\uc11d(PCA)\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc694\uc778\uc744 \ucd94\ucd9c\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc694\uc778 \ud68c\uc804<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc694\uc778\uc758 \ud574\uc11d \uac00\ub2a5\uc131\uc744 \ub192\uc774\uae30 \uc704\ud574 \uc694\uc778 \ud68c\uc804\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc8fc\ub85c \uc9c1\uac01 \ud68c\uc804(Varimax)\uacfc \uc0ac\uac01 \ud68c\uc804(Promax)\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc694\uc778 \ud574\uc11d<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac01 \uc694\uc778\uc5d0 \uc758\ud574 \uc124\uba85\ub418\ub294 \ubcc0\uc218\ub97c \ud574\uc11d\ud558\uace0, \uc694\uc778\uc758 \uc758\ubbf8\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%9A%8C%EC%A0%84_Rotation\"><\/span>\ud68c\uc804 (Rotation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc778\ubd84\uc11d\uc5d0\uc11c \ud68c\uc804(rotation)\uc740 \ucd94\ucd9c\ub41c \uc694\uc778\uc758 \ud574\uc11d\uc744 \uc6a9\uc774\ud558\uac8c \ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4. \ud68c\uc804\uc740 \uc694\uc778 \uc801\uc7ac\uac12\uc758 \ub2e8\uc21c \uad6c\uc870\ub97c \uac15\ud654\ud558\uc5ec \uac01 \ubcc0\uc218\uc640 \uc694\uc778\uc758 \uad00\uacc4\ub97c \uba85\ud655\ud558\uac8c \ud569\ub2c8\ub2e4. \ud68c\uc804\uc758 \uc885\ub958\ub294 \ud06c\uac8c \ub450 \uac00\uc9c0\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4: \uc9c1\uad50 \ud68c\uc804(orthogonal rotation)\uacfc \uc0ac\uac01 \ud68c\uc804(oblique rotation).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%EC%A7%81%EA%B5%90_%ED%9A%8C%EC%A0%84_Orthogonal_Rotation\"><\/span>1. \uc9c1\uad50 \ud68c\uc804 (Orthogonal Rotation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c1\uad50 \ud68c\uc804\uc740 \uc694\uc778 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\uac00 \uc5c6\ub3c4\ub85d \uc720\uc9c0\ud558\ub294 \ud68c\uc804 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc989, \ud68c\uc804\ub41c \uc694\uc778\ub4e4\uc740 \uc11c\ub85c \uc9c1\uad50(orthogonal)\ud558\uac8c \ub429\ub2c8\ub2e4. \uc9c1\uad50 \ud68c\uc804\uc740 \uc694\uc778\ub4e4 \uac04\uc758 \ub3c5\ub9bd\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ub2e8\uc21c \uad6c\uc870\ub97c \ucd94\uad6c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uc8fc\uc694 \uc9c1\uad50 \ud68c\uc804 \ubc29\ubc95<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Varimax \ud68c\uc804<\/strong>: \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc9c1\uad50 \ud68c\uc804 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uac01 \uc694\uc778\uc774 \uc801\uc7ac\uac12\uc758 \ubd84\uc0b0\uc744 \ucd5c\ub300\ud654\ud558\uc5ec, \uac01 \ubcc0\uc218\ub4e4\uc774 \ud2b9\uc815 \uc694\uc778\uc5d0 \ub192\uc740 \uc801\uc7ac\uac12\uc744 \uac16\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc694\uc778\uc758 \ud574\uc11d\uc774 \uc26c\uc6cc\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Quartimax \ud68c\uc804<\/strong>: \uccab \ubc88\uc9f8 \uc694\uc778\uc774 \ucd5c\ub300\ud55c \ub9ce\uc740 \ubcc0\ub3d9\uc131\uc744 \uc124\uba85\ud558\ub3c4\ub85d \ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub2e4\ub978 \uc694\uc778\ub4e4\uc758 \ud574\uc11d\uc774 \uc5b4\ub824\uc6b8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Equamax \ud68c\uc804<\/strong>: Varimax\uc640 Quartimax \ud68c\uc804\uc758 \ud2b9\uc131\uc744 \uacb0\ud569\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc694\uc778\ub4e4 \uac04\uc758 \uade0\ud615\uc744 \uc720\uc9c0\ud558\ub824\uace0 \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%EC%82%AC%EA%B0%81_%ED%9A%8C%EC%A0%84_Oblique_Rotation\"><\/span>2. \uc0ac\uac01 \ud68c\uc804 (Oblique Rotation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0ac\uac01 \ud68c\uc804\uc740 \uc694\uc778 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ud5c8\uc6a9\ud558\ub294 \ud68c\uc804 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc989, \ud68c\uc804\ub41c \uc694\uc778\ub4e4\uc740 \uc11c\ub85c \uc0c1\uad00\uad00\uacc4\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0ac\uac01 \ud68c\uc804\uc740 \uc694\uc778\ub4e4\uc774 \ub3c5\ub9bd\uc801\uc774\uc9c0 \uc54a\uc744 \ub54c \ub354 \ud604\uc2e4\uc801\uc778 \ud574\uc11d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uc8fc\uc694 \uc0ac\uac01 \ud68c\uc804 \ubc29\ubc95<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Promax \ud68c\uc804<\/strong>: Varimax \ud68c\uc804\uc744 \uba3c\uc800 \uc218\ud589\ud55c \ud6c4, \uc774\ub97c \uae30\ubc18\uc73c\ub85c \uc0ac\uac01 \ud68c\uc804\uc744 \uc801\uc6a9\ud569\ub2c8\ub2e4. Promax \ud68c\uc804\uc740 \ube60\ub974\uace0 \uacc4\uc0b0 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Direct Oblimin \ud68c\uc804<\/strong>: \ud68c\uc804\ub41c \uc694\uc778\ub4e4 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \uc9c1\uc811 \uc870\uc808\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc0c1\uad00 \uad00\uacc4\uc758 \uc815\ub3c4\ub97c \uc870\uc808\ud560 \uc218 \uc788\ub294 \ub378\ud0c0(delta) \ub9e4\uac1c\ubcc0\uc218\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Quartimin \ud68c\uc804<\/strong>: Promax \ud68c\uc804\uacfc \uc720\uc0ac\ud558\uc9c0\ub9cc, Quartimin \ud68c\uc804\uc740 \ub354 \uc77c\ubc18\uc801\uc778 \ud615\ud0dc\uc758 \uc0ac\uac01 \ud68c\uc804 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%9A%8C%EC%A0%84%EC%9D%98_%EC%A0%81%EC%9A%A9_%EC%98%88%EC%8B%9C_Python\"><\/span>\ud68c\uc804\uc758 \uc801\uc6a9 \uc608\uc2dc (Python)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Python\uc758 <code>factor_analyzer<\/code> \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec Varimax \ud68c\uc804(\uc9c1\uad50 \ud68c\uc804)\uacfc Promax \ud68c\uc804(\uc0ac\uac01 \ud68c\uc804)\uc744 \uc801\uc6a9\ud558\ub294 \uc608\uc2dc\ub97c \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom factor_analyzer import FactorAnalyzer\nimport matplotlib.pyplot as plt\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\ndata = {\n    'Test1': &#91;10, 9, 8, 7, 6, 5, 4, 3, 2, 1],\n    'Test2': &#91;9, 8, 7, 6, 5, 4, 3, 2, 1, 0],\n    'Test3': &#91;10, 8, 9, 7, 6, 5, 3, 2, 4, 1],\n    'Test4': &#91;7, 6, 5, 4, 3, 2, 1, 2, 3, 4],\n    'Test5': &#91;8, 7, 6, 5, 4, 3, 2, 1, 0, 1]\n}\ndf = pd.DataFrame(data)\n\n# \uc694\uc778\ubd84\uc11d \uc218\ud589 (\uc694\uc778 \uc218: 2)\nfa = FactorAnalyzer(n_factors=2, rotation='varimax')\nfa.fit(df)\n\n# \uc694\uc778 \uc801\uc7ac\uac12 \ucd9c\ub825 (Varimax \ud68c\uc804)\nloadings_varimax = fa.loadings_\nprint(\"Varimax \ud68c\uc804 \uc694\uc778 \uc801\uc7ac\uac12:\\n\", loadings_varimax)\n\n# Promax \ud68c\uc804 \uc801\uc6a9\nfa_promax = FactorAnalyzer(n_factors=2, rotation='promax')\nfa_promax.fit(df)\n\n# \uc694\uc778 \uc801\uc7ac\uac12 \ucd9c\ub825 (Promax \ud68c\uc804)\nloadings_promax = fa_promax.loadings_\nprint(\"Promax \ud68c\uc804 \uc694\uc778 \uc801\uc7ac\uac12:\\n\", loadings_promax)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EA%B2%B0%EA%B3%BC_%ED%95%B4%EC%84%9D\"><\/span>\uacb0\uacfc \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Varimax \ud68c\uc804 (\uc9c1\uad50 \ud68c\uc804)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc694\uc778\ub4e4 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\uac00 \uc5c6\uc73c\uba70, \uac01 \uc694\uc778\uc774 \ud2b9\uc815 \uad00\ucc30 \ubcc0\uc218\uc5d0 \ub192\uc740 \uc801\uc7ac\uac12\uc744 \uac16\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud574\uc11d\uc774 \uc6a9\uc774\ud558\uace0, \uc694\uc778\ub4e4\uc774 \ub3c5\ub9bd\uc801\uc77c \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Promax \ud68c\uc804 (\uc0ac\uac01 \ud68c\uc804)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc694\uc778\ub4e4 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ud5c8\uc6a9\ud558\uba70, \uc2e4\uc81c \ub370\uc774\ud130\uc758 \ubcf5\uc7a1\ud55c \uad6c\uc870\ub97c \ub354 \uc798 \ubc18\uc601\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc694\uc778\ub4e4\uc774 \uc0c1\uad00 \uad00\uacc4\uac00 \uc788\uc744 \ub54c, \ub354 \ud604\uc2e4\uc801\uc778 \ud574\uc11d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%95%BD\"><\/span>\uc694\uc57d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc778\ubd84\uc11d\uc5d0\uc11c \ud68c\uc804\uc740 \ucd94\ucd9c\ub41c \uc694\uc778\uc744 \ub354 \uba85\ud655\ud558\uac8c \ud574\uc11d\ud558\uae30 \uc704\ud55c \uc911\uc694\ud55c \ub2e8\uacc4\uc785\ub2c8\ub2e4. \uc9c1\uad50 \ud68c\uc804(\uc608: Varimax)\uc740 \uc694\uc778 \uac04\uc758 \ub3c5\ub9bd\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ub2e8\uc21c \uad6c\uc870\ub97c \uc81c\uacf5\ud558\uba70, \uc0ac\uac01 \ud68c\uc804(\uc608: Promax)\uc740 \uc694\uc778 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ud5c8\uc6a9\ud558\uc5ec \ub354 \ud604\uc2e4\uc801\uc778 \ud574\uc11d\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4. \uc5f0\uad6c\uc790\ub294 \ub370\uc774\ud130\uc758 \ud2b9\uc131\uacfc \uc5f0\uad6c \ubaa9\uc801\uc5d0 \ub530\ub77c \uc801\uc808\ud55c \ud68c\uc804 \ubc29\ubc95\uc744 \uc120\ud0dd\ud558\uc5ec \uc694\uc778\ubd84\uc11d\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"5\" src=\"http:\/\/www.ohsumin.com\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-28-1024x5.jpg\" alt=\"\" class=\"wp-image-1213\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-28-1024x5.jpg 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-28-300x1.jpg 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-28-768x4.jpg 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-28-1536x7.jpg 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-28-2048x10.jpg 2048w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-28-1320x6.jpg 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-28-920x4.jpg 920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%9D%B8%EB%B6%84%EC%84%9D_%EC%98%88%EC%8B%9C_Python_%EC%82%AC%EC%9A%A9\"><\/span>\uc694\uc778\ubd84\uc11d \uc608\uc2dc (Python \uc0ac\uc6a9)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc740 Python\uc758 <code>factor_analyzer<\/code> \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud0d0\uc0c9\uc801 \uc694\uc778\ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \uc608\uc2dc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom factor_analyzer import FactorAnalyzer\nimport matplotlib.pyplot as plt\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\ndata = {\n    'Test1': &#91;10, 9, 8, 7, 6, 5, 4, 3, 2, 1],\n    'Test2': &#91;9, 8, 7, 6, 5, 4, 3, 2, 1, 0],\n    'Test3': &#91;10, 8, 9, 7, 6, 5, 3, 2, 4, 1],\n    'Test4': &#91;7, 6, 5, 4, 3, 2, 1, 2, 3, 4],\n    'Test5': &#91;8, 7, 6, 5, 4, 3, 2, 1, 0, 1]\n}\ndf = pd.DataFrame(data)\n\n# \uc694\uc778\ubd84\uc11d \uc218\ud589\nfa = FactorAnalyzer(n_factors=2, rotation='varimax')\nfa.fit(df)\n\n# \uc694\uc778 \uc801\uc7ac\uac12 \ucd9c\ub825\nloadings = fa.loadings_\nprint(loadings)\n\n# \uc2a4\ud06c\ub9ac \ud50c\ub86f (Scree Plot) \uc0dd\uc131\nev, v = fa.get_eigenvalues()\nplt.figure(figsize=(8, 6))\nplt.scatter(range(1, df.shape&#91;1] + 1), ev)\nplt.plot(range(1, df.shape&#91;1] + 1), ev)\nplt.title('Scree Plot')\nplt.xlabel('Factors')\nplt.ylabel('Eigenvalue')\nplt.grid()\nplt.show()<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EA%B2%B0%EA%B3%BC_%ED%95%B4%EC%84%9D-2\"><\/span>\uacb0\uacfc \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc694\uc778 \uc801\uc7ac\uac12<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc694\uc778 \uc801\uc7ac\uac12 \ud589\ub82c\uc740 \uac01 \uc694\uc778\uacfc \uad00\ucc30\ub41c \ubcc0\uc218 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub192\uc740 \uc801\uc7ac\uac12\uc740 \ud574\ub2f9 \uc694\uc778\uc774 \uad00\ucc30\ub41c \ubcc0\uc218\uc758 \ubcc0\ub3d9\uc744 \uc798 \uc124\uba85\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc2a4\ud06c\ub9ac \ud50c\ub86f (Scree Plot)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc2a4\ud06c\ub9ac \ud50c\ub86f\uc740 \uac01 \uc694\uc778\uc758 \uace0\uc720\uac12\uc744 \ub098\ud0c0\ub0b4\uba70, \uc694\uc778\uc758 \uc911\uc694\ub3c4\ub97c \ud3c9\uac00\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubcf4\ud1b5 \uace0\uc720\uac12\uc774 1 \uc774\uc0c1\uc778 \uc694\uc778\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc694\uc778 \ud574\uc11d<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc694\uc778 \uc801\uc7ac\uac12\uc744 \uae30\ubc18\uc73c\ub85c \uac01 \uc694\uc778\uc758 \uc758\ubbf8\ub97c \ud574\uc11d\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, Test1, Test2, Test3\uc758 \uc801\uc7ac\uac12\uc774 \ub192\uc740 \uc694\uc778\uc740 &#8216;\ud559\uc5c5 \uc131\ucde8\ub3c4&#8217;\ub97c \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%95%BD-2\"><\/span>\uc694\uc57d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc778\ubd84\uc11d\uc740 \uad00\ucc30\ub41c \ubcc0\uc218\ub4e4 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uc5ec \uc774\ub4e4\uc744 \uc124\uba85\ud558\ub294 \uc7a0\uc7ac \uc694\uc778\uc744 \ucd94\ucd9c\ud558\ub294 \ud1b5\uacc4 \uae30\ubc95\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\uc758 \ucc28\uc6d0\uc744 \ucd95\uc18c\ud558\uace0, \ubcc0\uc218 \uac04\uc758 \uc228\uaca8\uc9c4 \uad6c\uc870\ub97c \uc774\ud574\ud558\uba70, \ub370\uc774\ud130\uc758 \uc8fc\uc694 \ud328\ud134\uc744 \uc2dd\ubcc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud0d0\uc0c9\uc801 \uc694\uc778\ubd84\uc11d\uacfc \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc744 \ud1b5\ud574 \ub2e4\uc591\ud55c \uc5f0\uad6c \ubc0f \uc2e4\ubb34\uc5d0\uc11c \uc911\uc694\ud55c \ud1b5\ucc30\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"5\" src=\"http:\/\/www.ohsumin.com\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-27-1024x5.jpg\" alt=\"\" class=\"wp-image-1212\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-27-1024x5.jpg 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-27-300x1.jpg 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-27-768x4.jpg 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-27-1536x7.jpg 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-27-2048x10.jpg 2048w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-27-1320x6.jpg 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-27-920x4.jpg 920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%9D%B8%EB%B6%84%EC%84%9D_%EC%98%88%EC%8B%9C\"><\/span>\uc694\uc778\ubd84\uc11d \uc608\uc2dc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA, Confirmatory Factor Analysis)\uc740 \uc0ac\uc804\uc5d0 \uc815\uc758\ub41c \uc694\uc778 \uad6c\uc870\uac00 \ub370\uc774\ud130\uc5d0 \uc798 \ub9de\ub294\uc9c0\ub97c \uac80\uc99d\ud558\ub294 \ud1b5\uacc4 \uae30\ubc95\uc785\ub2c8\ub2e4. \uc774 \ubd84\uc11d\uc740 \ud2b9\uc815 \uc774\ub860\uc774\ub098 \uac00\uc124\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc2ec\ub9ac\ud559 \uc5f0\uad6c\uc5d0\uc11c \ud2b9\uc815 \uc2ec\ub9ac\uc801 \ud2b9\uc131\uc774 \uc5ec\ub7ec \uc9c8\ubb38\uc744 \ud1b5\ud574 \uce21\uc815\ub41c\ub2e4\uace0 \uac00\uc815\ud560 \ub54c, \uc774\ub7ec\ud55c \uac00\uc815\uc744 \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc744 \ud1b5\ud574 \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%ED%99%95%EC%9D%B8%EC%A0%81_%EC%9A%94%EC%9D%B8%EB%B6%84%EC%84%9D%EC%9D%98_%EB%8B%A8%EA%B3%84\"><\/span>\ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc758 \ub2e8\uacc4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\uc774\ub860\uc801 \ubaa8\ud615 \uc124\uc815<\/strong>: \uc5f0\uad6c\uc790\uac00 \uce21\uc815\ud558\uace0\uc790 \ud558\ub294 \uc7a0\uc7ac \ubcc0\uc218(\uc694\uc778)\uc640 \uad00\ucc30 \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \uc774\ub860\uc801\uc73c\ub85c \uc124\uc815\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ub370\uc774\ud130 \uc218\uc9d1<\/strong>: \ubaa8\ud615\uc744 \ud14c\uc2a4\ud2b8\ud560 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubaa8\ud615 \uc801\ud569<\/strong>: \uc218\uc9d1\ub41c \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \ubaa8\ud615\uc744 \uc801\ud569\uc2dc\ud0a4\uace0, \uac01 \uc694\uc778\uacfc \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ucd94\uc815\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubaa8\ud615 \ud3c9\uac00<\/strong>: \uc801\ud569\ub3c4 \uc9c0\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ud615\uc774 \ub370\uc774\ud130\ub97c \uc5bc\ub9c8\ub098 \uc798 \uc124\uba85\ud558\ub294\uc9c0 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ubaa8\ud615 \uc218\uc815<\/strong>: \ud544\uc694\uc2dc \ubaa8\ud615\uc744 \uc218\uc815\ud558\uc5ec \uc801\ud569\ub3c4\ub97c \uac1c\uc120\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%8B%A4%EC%A0%9C_%EC%82%AC%EB%A1%80_%EC%84%A4%EB%AC%B8%EC%A7%80_%EB%8D%B0%EC%9D%B4%ED%84%B0_%EB%B6%84%EC%84%9D\"><\/span>\uc2e4\uc81c \uc0ac\ub840: \uc124\ubb38\uc9c0 \ub370\uc774\ud130 \ubd84\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uac00\uc815<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc758 \uac00\uc815 \ud558\uc5d0 \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc7a0\uc7ac \ubcc0\uc218(Latent Variables)<\/strong>: \ub9cc\uc871\ub3c4(Satisfaction), \ucda9\uc131\ub3c4(Loyalty)<\/li>\n\n\n\n<li><strong>\uad00\ucc30 \ubcc0\uc218(Observed Variables)<\/strong>: \uc5ec\ub7ec \uc124\ubb38 \ubb38\ud56d<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ub370\uc774\ud130 \uc124\uba85<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc124\ubb38 \ubb38\ud56d\uc740 1\ubd80\ud130 5\uae4c\uc9c0\uc758 Likert \ucc99\ub3c4\ub85c \uc751\ub2f5\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uac01 \uc7a0\uc7ac \ubcc0\uc218\ub97c \uce21\uc815\ud558\uae30 \uc704\ud55c \uc5ec\ub7ec \uc124\ubb38 \ubb38\ud56d\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python%EC%9D%84_%EC%9D%B4%EC%9A%A9%ED%95%9C_CFA_%EC%82%AC%EB%A1%80\"><\/span>Python\uc744 \uc774\uc6a9\ud55c CFA \uc0ac\ub840<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Python\uc758 <code>semopy<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \uc608\uc81c\ub97c \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom semopy import Model, Optimizer\nimport numpy as np\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\nnp.random.seed(0)\ndata = pd.DataFrame({\n    'Q1': np.random.randint(1, 6, 100),\n    'Q2': np.random.randint(1, 6, 100),\n    'Q3': np.random.randint(1, 6, 100),\n    'Q4': np.random.randint(1, 6, 100),\n    'Q5': np.random.randint(1, 6, 100),\n    'Q6': np.random.randint(1, 6, 100),\n    'Q7': np.random.randint(1, 6, 100),\n    'Q8': np.random.randint(1, 6, 100)\n})\n\n# \ubaa8\ud615 \uc815\uc758\ndesc = \"\"\"\nSatisfaction =~ Q1 + Q2 + Q3 + Q4\nLoyalty =~ Q5 + Q6 + Q7 + Q8\n\"\"\"\n\n# \ubaa8\ud615 \uc801\ud569\nmodel = Model(desc)\nopt = Optimizer(model)\nopt.optimize(data)\n\n# \uacb0\uacfc \ucd9c\ub825\nprint(model.inspect())<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EA%B2%B0%EA%B3%BC_%ED%95%B4%EC%84%9D-3\"><\/span>\uacb0\uacfc \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\ubaa8\ud615 \uc801\ud569\ub3c4 \uc9c0\uc218<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi-Square<\/strong>: \ubaa8\ud615\uc774 \ub370\uc774\ud130\uc5d0 \uc798 \ub9de\ub294\uc9c0 \ud3c9\uac00\ud569\ub2c8\ub2e4. \ub0ae\uc744\uc218\ub85d \uc88b\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>RMSEA (Root Mean Square Error of Approximation)<\/strong>: 0.05 \uc774\ud558\uc774\uba74 \uc88b\uc740 \uc801\ud569\ub3c4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>CFI (Comparative Fit Index)<\/strong>: 0.90 \uc774\uc0c1\uc774\uba74 \uc88b\uc740 \uc801\ud569\ub3c4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>TLI (Tucker-Lewis Index)<\/strong>: 0.90 \uc774\uc0c1\uc774\uba74 \uc88b\uc740 \uc801\ud569\ub3c4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>SRMR (Standardized Root Mean Square Residual)<\/strong>: 0.08 \uc774\ud558\uc774\uba74 \uc88b\uc740 \uc801\ud569\ub3c4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uacbd\ub85c \uacc4\uc218 (Path Coefficients)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac01 \uacbd\ub85c\uc758 \uacc4\uc218\ub97c \ud1b5\ud574 \uc7a0\uc7ac \ubcc0\uc218\uc640 \uad00\ucc30 \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ud574\uc11d\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608\ub97c \ub4e4\uc5b4, <code>Satisfaction -&gt; Q1<\/code>\uc758 \uacbd\ub85c \uacc4\uc218\uac00 \uc591\uc218\uc774\uace0 \uc720\uc758\ubbf8\ud558\ub2e4\uba74, \ub9cc\uc871\ub3c4\uac00 Q1 \ubb38\ud56d\uc758 \uc751\ub2f5\uc5d0 \uae0d\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce5c\ub2e4\uace0 \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud45c\uc900\ud654\ub41c \uacbd\ub85c \uacc4\uc218<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac01 \uacbd\ub85c \uacc4\uc218\uac00 \ud45c\uc900\ud654\ub41c \uac12\uc73c\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4. -1\uc5d0\uc11c 1 \uc0ac\uc774\uc758 \uac12\uc744 \uac00\uc9c0\uba70, \uc808\ub300\uac12\uc774 \ud074\uc218\ub85d \ubcc0\uc218 \uac04\uc758 \uac15\ud55c \uad00\uacc4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc2e0\ub8b0\ub3c4 \ubc0f \ud0c0\ub2f9\ub3c4<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc2e0\ub8b0\ub3c4 (Reliability)<\/strong>: \uad00\ucc30 \ubcc0\uc218\uc758 \ub0b4\uc801 \uc77c\uad00\uc131\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4. \ud06c\ub860\ubc14\ud750 \uc54c\ud30c(Cronbach&#8217;s Alpha)\uac00 0.70 \uc774\uc0c1\uc774\uba74 \uc88b\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ud0c0\ub2f9\ub3c4 (Validity)<\/strong>: \uad00\ucc30 \ubcc0\uc218\ub4e4\uc774 \uc7a0\uc7ac \ubcc0\uc218\ub97c \uc5bc\ub9c8\ub098 \uc798 \uce21\uc815\ud558\ub294\uc9c0\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%9A%94%EC%95%BD-3\"><\/span>\uc694\uc57d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud655\uc778\uc801 \uc694\uc778\ubd84\uc11d(CFA)\uc740 \uc0ac\uc804\uc5d0 \uc815\uc758\ub41c \uc694\uc778 \uad6c\uc870\uac00 \ub370\uc774\ud130\ub97c \uc798 \uc124\uba85\ud558\ub294\uc9c0\ub97c \uac80\uc99d\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc5f0\uad6c\uc790\ub294 \uc774\ub860\uc801 \uac00\uc124\uc744 \ud14c\uc2a4\ud2b8\ud558\uace0, \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \uba85\ud655\ud788 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Python\uc758 <code>semopy<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc27d\uac8c CFA\ub97c \uc218\ud589\ud558\uace0, \ubaa8\ud615 \uc801\ud569\ub3c4\uc640 \uacbd\ub85c \uacc4\uc218\ub97c \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \uc774\ub860\uc801 \ubaa8\ub378\uc744 \uac80\uc99d\ud558\uace0, \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \uc2ec\uce35\uc801\uc73c\ub85c \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc694\uc778\ubd84\uc11d(Factor Analysis)\uc740 \ub2e4\ubcc0\ub7c9 \ud1b5\uacc4 \uae30\ubc95\uc758 \ud558\ub098\ub85c, \uc5ec\ub7ec \uad00\ucc30\ub41c \ubcc0\uc218\ub4e4 \uac04\uc758 \uc0c1\uad00 \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uc5ec \uc774\ub4e4\uc744 \uc124\uba85\ud558\ub294 \uc7a0\uc7ac \uc694\uc778(\uacf5\ud1b5 \uc694\uc778)\uc744&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1211,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-730","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stat","wpcat-6-id"],"_links":{"self":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=730"}],"version-history":[{"count":3,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/730\/revisions"}],"predecessor-version":[{"id":1785,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/730\/revisions\/1785"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/1211"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=730"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}