{"id":728,"date":"2024-07-11T08:13:49","date_gmt":"2024-07-11T08:13:49","guid":{"rendered":"http:\/\/www.ohsumin.com\/?p=728"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"%ea%b5%ac%ec%a1%b0%eb%b0%a9%ec%a0%95%ec%8b%9dsem","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=728","title":{"rendered":"\uad6c\uc870\ubc29\uc815\uc2dd(SEM: Structural Equation Modeling)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM, Structural Equation Modeling)\uc740 \uad00\ucc30\ub41c \ubcc0\uc218\uc640 \uc7a0\uc7ac \ubcc0\uc218 \uac04\uc758 \ubcf5\uc7a1\ud55c \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uace0 \ubaa8\ud615\ud654\ud558\ub294 \ud1b5\uacc4\uc801 \uae30\ubc95\uc785\ub2c8\ub2e4. SEM\uc740 \uacbd\ub85c \ubd84\uc11d, \ud655\uc778\uc801 \uc694\uc778 \ubd84\uc11d(CFA), \uadf8\ub9ac\uace0 \ud68c\uadc0 \ubd84\uc11d\uc744 \ud1b5\ud569\ud55c \uac83\uc73c\ub85c, \ubcc0\uc218 \uac04\uc758 \uc778\uacfc \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uace0, \uc774\ub860\uc801 \ubaa8\ud615\uc744 \uac80\uc99d\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%A3%BC%EC%9A%94_%EA%B0%9C%EB%85%90\"><\/span>\uc8fc\uc694 \uac1c\ub150<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc7a0\uc7ac \ubcc0\uc218 (Latent Variables)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc9c1\uc811 \uad00\ucc30\ud560 \uc218 \uc5c6\ub294 \ubcc0\uc218\ub85c, \uc5ec\ub7ec \uad00\ucc30\ub41c \ubcc0\uc218(\uc9c0\ud45c \ubcc0\uc218)\ub85c \uce21\uc815\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608: \uc9c0\ub2a5, \ub9cc\uc871\ub3c4, \ud0dc\ub3c4<\/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<ul class=\"wp-block-list\">\n<li>\uc9c1\uc811 \uce21\uc815 \uac00\ub2a5\ud55c \ubcc0\uc218\ub85c, \ub370\uc774\ud130 \uc218\uc9d1 \uacfc\uc815\uc5d0\uc11c \uad00\ucc30\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608: \uc2dc\ud5d8 \uc810\uc218, \uc124\ubb38\uc9c0 \uc751\ub2f5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uacbd\ub85c (Path)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubcc0\uc218 \uac04\uc758 \uc778\uacfc \uad00\uacc4\ub97c \ub098\ud0c0\ub0b4\uba70, \ub2e8\uc77c \ud654\uc0b4\ud45c(-&gt;)\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608: A -&gt; B\ub294 A\uac00 B\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce68\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uad6c\uc870 \ubaa8\ud615 (Structural Model)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubcc0\uc218 \uac04\uc758 \uc778\uacfc \uad00\uacc4\ub97c \ub098\ud0c0\ub0b4\ub294 \ubaa8\ud615\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc7a0\uc7ac \ubcc0\uc218\uc640 \uad00\ucc30\ub41c \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uce21\uc815 \ubaa8\ud615 (Measurement Model)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc7a0\uc7ac \ubcc0\uc218\ub97c \uad00\ucc30\ub41c \ubcc0\uc218\ub85c \uce21\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud558\ub294 \ubaa8\ud615\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc8fc\ub85c \ud655\uc778\uc801 \uc694\uc778 \ubd84\uc11d(CFA)\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SEM%EC%9D%98_%EC%A0%88%EC%B0%A8\"><\/span>SEM\uc758 \uc808\ucc28<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ud615 \uc124\uc815 (Model Specification)<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc774\ub860\uc801 \ubc30\uacbd\uc744 \ubc14\ud0d5\uc73c\ub85c \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \uc124\uc815\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uad6c\uc870 \ubaa8\ud615\uacfc \uce21\uc815 \ubaa8\ud615\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ud615 \uc2dd\ubcc4 (Model Identification)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubaa8\ud615\uc774 \uace0\uc720\ud55c \ud574\ub97c \uac00\uc9c0\ub3c4\ub85d \uc2dd\ubcc4 \uc5ec\ubd80\ub97c \ud655\uc778\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc790\uc720\ub3c4 \uacc4\uc0b0\uc744 \ud1b5\ud574 \ubaa8\ud615\uc758 \uc2dd\ubcc4 \uac00\ub2a5\uc131\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ud615 \ucd94\uc815 (Model Estimation)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ub370\uc774\ud130\uc5d0 \uae30\ubc18\ud558\uc5ec \ubaa8\ud615\uc758 \ud30c\ub77c\ubbf8\ud130\ub97c \ucd94\uc815\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc8fc\ub85c \ucd5c\ub300\uc6b0\ub3c4 \ucd94\uc815\ubc95(ML, Maximum Likelihood)\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ud615 \ud3c9\uac00 (Model Evaluation)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubaa8\ud615\uc758 \uc801\ud569\ub3c4\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc801\ud569\ub3c4 \uc9c0\uc218: Chi-square, RMSEA, CFI, TLI \ub4f1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ud615 \uc218\uc815 (Model Modification)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud544\uc694\uc5d0 \ub530\ub77c \ubaa8\ud615\uc744 \uc218\uc815\ud558\uace0, \ub2e4\uc2dc \ucd94\uc815\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc801\ud569\ub3c4\ub97c \uac1c\uc120\ud558\uae30 \uc704\ud574 \uacbd\ub85c \ucd94\uac00, \uc81c\uac70 \ub4f1\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SEM%EC%9D%98_%EC%98%88%EC%8B%9C\"><\/span>SEM\uc758 \uc608\uc2dc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc740 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1\uc758 \uac04\ub2e8\ud55c \uc608\uc2dc\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud559\uc0dd\uc758 \uc131\ucde8\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc694\uc778\uc744 \ubd84\uc11d\ud55c\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \uc7a0\uc7ac \ubcc0\uc218\ub294 \ud559\uc0dd\uc758 \ub3d9\uae30\uc640 \uc2a4\ud2b8\ub808\uc2a4\uc774\uba70, \uad00\ucc30\ub41c \ubcc0\uc218\ub294 \uc2dc\ud5d8 \uc810\uc218, \ucd9c\uc11d\ub960, \uadf8\ub9ac\uace0 \uacfc\uc81c \uc81c\ucd9c\ub960\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc7a0\uc7ac \ubcc0\uc218<\/strong>: \ub3d9\uae30 (Motivation), \uc2a4\ud2b8\ub808\uc2a4 (Stress)<\/li>\n\n\n\n<li><strong>\uad00\ucc30\ub41c \ubcc0\uc218<\/strong>: \uc2dc\ud5d8 \uc810\uc218 (Exam Score), \ucd9c\uc11d\ub960 (Attendance), \uacfc\uc81c \uc81c\ucd9c\ub960 (Assignment Submission)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">SEM \uc608\uc2dc \ucf54\ub4dc (Python\uc5d0\uc11c <code>semopy<\/code> \ub77c\uc774\ube0c\ub7ec\ub9ac \uc0ac\uc6a9)<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom semopy import Model, Optimizer\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\ndata = pd.DataFrame({\n    'Motivation': &#91;3.2, 4.1, 2.9, 3.5, 3.8, 4.2],\n    'Stress': &#91;2.5, 3.0, 2.7, 3.2, 2.8, 3.1],\n    'ExamScore': &#91;85, 90, 78, 88, 84, 92],\n    'Attendance': &#91;90, 95, 85, 88, 92, 94],\n    'Assignment': &#91;80, 85, 75, 82, 88, 90]\n})\n\n# SEM \ubaa8\ud615 \uc815\uc758\ndesc = \"\"\"\nMotivation =~ ExamScore + Attendance + Assignment\nStress =~ ExamScore + Attendance + Assignment\nExamScore ~ Motivation + Stress\nAttendance ~ Motivation + Stress\nAssignment ~ Motivation + Stress\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\"><\/span>\uacb0\uacfc \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ud615 \uc801\ud569\ub3c4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chi-square, RMSEA, CFI, TLI \ub4f1\uc744 \ud1b5\ud574 \ubaa8\ud615\uc758 \uc801\ud569\ub3c4\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uacbd\ub85c \uacc4\uc218<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac01 \uacbd\ub85c\uc758 \uacc4\uc218\ub97c \ud1b5\ud574 \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ud574\uc11d\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608: <code>Motivation -&gt; ExamScore<\/code>\uc758 \uacc4\uc218\uac00 \uc591\uc218\uc774\uba74, \ub3d9\uae30\uac00 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \uae0d\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce68\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc7a0\uc7ac \ubcc0\uc218\uc640 \uad00\ucc30\ub41c \ubcc0\uc218 \uac04\uc758 \uad00\uacc4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc7a0\uc7ac \ubcc0\uc218\ub97c \uce21\uc815\ud558\uae30 \uc704\ud55c \uad00\ucc30\ub41c \ubcc0\uc218\ub4e4\uc758 \uc801\ud569\uc131\uc744 \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\"><\/span>\uc694\uc57d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM)\uc740 \ubcf5\uc7a1\ud55c \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uace0, \uc774\ub860\uc801 \ubaa8\ud615\uc744 \uac80\uc99d\ud558\ub294 \ub370 \uc720\uc6a9\ud55c \uae30\ubc95\uc785\ub2c8\ub2e4. SEM\uc744 \ud1b5\ud574 \ubcc0\uc218 \uac04\uc758 \uc778\uacfc \uad00\uacc4\ub97c \uba85\ud655\ud788 \ud558\uace0, \uc774\ub860\uc801 \uac00\uc124\uc744 \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Python\uc758 <code>semopy<\/code> \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ub2e8\ud788 SEM\uc744 \uc218\ud589\ud558\uace0, \uacb0\uacfc\ub97c \ud574\uc11d\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-25-1024x5.jpg\" alt=\"\" class=\"wp-image-1204\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-1024x5.jpg 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-300x1.jpg 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-768x4.jpg 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-1536x7.jpg 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-2048x10.jpg 2048w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-1320x6.jpg 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-920x4.jpg 920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EB%AA%A8%ED%98%95_%EC%A0%81%ED%95%A9%EB%8F%84_%ED%8F%89%EA%B0%80\"><\/span>\ubaa8\ud615 \uc801\ud569\ub3c4 \ud3c9\uac00<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378(SEM, Structural Equation Modeling)\uc740 \ubcc0\uc218 \uac04\uc758 \ubcf5\uc7a1\ud55c \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uace0 \ud574\uc11d\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uac15\ub825\ud55c \ud1b5\uacc4 \uae30\ubc95\uc785\ub2c8\ub2e4. SEM\uc740 \uc7a0\uc7ac \ubcc0\uc218\uc640 \uad00\ucc30\ub41c \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ub3d9\uc2dc\uc5d0 \ubaa8\ub378\ub9c1\ud558\uba70, \uc774\ub97c \ud1b5\ud574 \uc778\uacfc \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uace0 \uc774\ub860\uc801 \ubaa8\ud615\uc744 \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. SEM\uc758 \ud574\uc11d \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ub2e8\uacc4\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ud615\uc758 \uc801\ud569\ub3c4\ub97c \ud3c9\uac00\ud558\ub294 \uac83\uc740 SEM\uc758 \uccab \ubc88\uc9f8 \ub2e8\uacc4\uc785\ub2c8\ub2e4. \uc801\ud569\ub3c4 \uc9c0\uc218\ub97c \ud1b5\ud574 \ubaa8\ud615\uc774 \ub370\uc774\ud130\uc5d0 \uc5bc\ub9c8\ub098 \uc798 \ub9de\ub294\uc9c0 \ud3c9\uac00\ud569\ub2c8\ub2e4. \uc8fc\uc694 \uc801\ud569\ub3c4 \uc9c0\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi-Square Test<\/strong>: \ub0ae\uc740 \uac12\uc77c\uc218\ub85d \ubaa8\ud615\uc774 \ub370\uc774\ud130\uc5d0 \uc798 \ub9de\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud070 \ud45c\ubcf8 \ud06c\uae30\uc5d0\uc11c\ub294 \ubbfc\uac10\ud558\uac8c \ubc18\uc751\ud560 \uc218 \uc788\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<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%EA%B2%BD%EB%A1%9C_%EA%B3%84%EC%88%98_%ED%95%B4%EC%84%9D\"><\/span>2. \uacbd\ub85c \uacc4\uc218 \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SEM\uc5d0\uc11c \uacbd\ub85c \uacc4\uc218\ub294 \ubcc0\uc218 \uac04\uc758 \uc778\uacfc \uad00\uacc4\uc758 \uac15\ub3c4\uc640 \ubc29\ud5a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uacbd\ub85c \uacc4\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ud45c\uc900\ud654\ub41c \uacbd\ub85c \uacc4\uc218 (Standardized Path Coefficients)<\/strong>: -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\n\n\n<li><strong>\ube44\ud45c\uc900\ud654 \uacbd\ub85c \uacc4\uc218 (Unstandardized Path Coefficients)<\/strong>: \uc6d0 \ub370\uc774\ud130 \ub2e8\uc704\ub85c \ud45c\ud604\ub41c \uacc4\uc218\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>t-\uac12 \ubc0f p-\uac12<\/strong>: \uacbd\ub85c \uacc4\uc218\uc758 \ud1b5\uacc4\uc801 \uc720\uc758\uc131\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4. p-\uac12\uc774 0.05 \uc774\ud558\uc774\uba74 \uacbd\ub85c\uac00 \uc720\uc758\ubbf8\ud558\ub2e4\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%EC%A7%81%EA%B0%84%EC%A0%91_%ED%9A%A8%EA%B3%BC_%EB%B6%84%EC%84%9D\"><\/span>3. \uc9c1\uac04\uc811 \ud6a8\uacfc \ubd84\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SEM\uc740 \uc9c1\uac04\uc811 \ud6a8\uacfc\ub97c \ub3d9\uc2dc\uc5d0 \ubd84\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c1\ud6a8\uacfc\uc640 \uac04\uc811\ud6a8\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc9c1\ud6a8\uacfc (Direct Effect)<\/strong>: \ud55c \ubcc0\uc218\uc5d0\uc11c \ub2e4\ub978 \ubcc0\uc218\ub85c \uc9c1\uc811 \uc5f0\uacb0\ub41c \uacbd\ub85c\uc758 \ud6a8\uacfc\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uac04\uc811\ud6a8\uacfc (Indirect Effect)<\/strong>: \ud55c \ubcc0\uc218\uac00 \uc911\uac04 \ubcc0\uc218\ub97c \ud1b5\ud574 \ub2e4\ub978 \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \ud6a8\uacfc\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ucd1d\ud6a8\uacfc (Total Effect)<\/strong>: \uc9c1\ud6a8\uacfc\uc640 \uac04\uc811\ud6a8\uacfc\uc758 \ud569\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%EC%9E%A0%EC%9E%AC_%EB%B3%80%EC%88%98%EC%9D%98_%EC%8B%A0%EB%A2%B0%EB%8F%84%EC%99%80_%ED%83%80%EB%8B%B9%EB%8F%84_%ED%8F%89%EA%B0%80\"><\/span>4. \uc7a0\uc7ac \ubcc0\uc218\uc758 \uc2e0\ub8b0\ub3c4\uc640 \ud0c0\ub2f9\ub3c4 \ud3c9\uac00<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a0\uc7ac \ubcc0\uc218\ub97c \uce21\uc815\ud558\ub294 \uad00\ucc30 \ubcc0\uc218\uc758 \uc2e0\ub8b0\ub3c4\uc640 \ud0c0\ub2f9\ub3c4\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4. \uc8fc\uc694 \uc9c0\ud45c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\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=\"5_%EB%AA%A8%ED%98%95_%EC%88%98%EC%A0%95\"><\/span>5. \ubaa8\ud615 \uc218\uc815<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ubaa8\ud615 \uc801\ud569\ub3c4\uac00 \ub0ae\uc744 \uacbd\uc6b0 \ubaa8\ud615\uc744 \uc218\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubaa8\ud615 \uc218\uc815\uc740 \uc774\ub860\uc801 \ud0c0\ub2f9\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc801\ud569\ub3c4\ub97c \uac1c\uc120\ud558\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud569\ub2c8\ub2e4. \uc218\uc815 \uc778\ub371\uc2a4(Modification Index)\ub97c \ucc38\uace0\ud558\uc5ec \ubd88\ud544\uc694\ud55c \uacbd\ub85c\ub97c \uc81c\uac70\ud558\uac70\ub098 \uc0c8\ub85c\uc6b4 \uacbd\ub85c\ub97c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%8B%9C_%ED%95%99%EC%83%9D%EB%93%A4%EC%9D%98_%ED%95%99%EC%97%85_%EC%84%B1%EC%B7%A8%EB%8F%84_%EB%B6%84%EC%84%9D\"><\/span>\uc608\uc2dc: \ud559\uc0dd\ub4e4\uc758 \ud559\uc5c5 \uc131\ucde8\ub3c4 \ubd84\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uc740 \ud559\uc0dd\ub4e4\uc758 \ud559\uc5c5 \uc131\ucde8\ub3c4\uc5d0 \ub300\ud55c \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\uc758 \ud574\uc11d \uc608\uc2dc\uc785\ub2c8\ub2e4.<\/p>\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><strong>\uc7a0\uc7ac \ubcc0\uc218(Latent Variables)<\/strong>:<\/li>\n\n\n\n<li><strong>\ub3d9\uae30(Motivation)<\/strong>: \ud559\uc2b5\uc5d0 \ub300\ud55c \ub3d9\uae30 \uc218\uc900<\/li>\n\n\n\n<li><strong>\uc2a4\ud2b8\ub808\uc2a4(Stress)<\/strong>: \ud559\uc2b5\uacfc \uad00\ub828\ub41c \uc2a4\ud2b8\ub808\uc2a4 \uc218\uc900<\/li>\n\n\n\n<li><strong>\uad00\ucc30\ub41c \ubcc0\uc218(Observed Variables)<\/strong>:<\/li>\n\n\n\n<li><strong>\uc2dc\ud5d8 \uc810\uc218(Exam Score)<\/strong><\/li>\n\n\n\n<li><strong>\ucd9c\uc11d\ub960(Attendance)<\/strong><\/li>\n\n\n\n<li><strong>\uacfc\uc81c \uc81c\ucd9c\ub960(Assignment Submission)<\/strong><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">SEM \ubaa8\ud615 \uc815\uc758<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom semopy import Model, Optimizer\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\ndata = pd.DataFrame({\n    'Motivation1': &#91;3.2, 4.1, 2.9, 3.5, 3.8, 4.2, 3.7, 3.9, 4.0, 3.3],\n    'Motivation2': &#91;3.5, 4.2, 3.0, 3.8, 4.0, 4.4, 3.8, 4.1, 4.2, 3.6],\n    'Stress1': &#91;2.5, 3.0, 2.7, 3.2, 2.8, 3.1, 2.9, 3.0, 3.1, 2.6],\n    'Stress2': &#91;2.7, 3.1, 2.8, 3.3, 2.9, 3.2, 3.0, 3.1, 3.2, 2.7],\n    'ExamScore': &#91;85, 90, 78, 88, 84, 92, 89, 91, 90, 87],\n    'Attendance': &#91;90, 95, 85, 88, 92, 94, 93, 96, 94, 89],\n    'Assignment': &#91;80, 85, 75, 82, 88, 90, 89, 92, 91, 84]\n})\n\n# SEM \ubaa8\ud615 \uc815\uc758\ndesc = \"\"\"\nMotivation =~ Motivation1 + Motivation2\nStress =~ Stress1 + Stress2\nExamScore ~ Motivation + Stress\nAttendance ~ Motivation + Stress\nAssignment ~ Motivation + Stress\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-2\"><\/span>\uacb0\uacfc \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\ubaa8\ud615 \uc801\ud569\ub3c4<\/h4>\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.<\/li>\n\n\n\n<li><strong>RMSEA<\/strong>: 0.05 \uc774\ud558\uc774\uba74 \ubaa8\ud615\uc774 \ub370\uc774\ud130\uc5d0 \uc798 \ub9de\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>CFI \ubc0f TLI<\/strong>: 0.90 \uc774\uc0c1\uc774\uba74 \ubaa8\ud615\uc774 \ub370\uc774\ud130\uc5d0 \uc798 \ub9de\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\uacbd\ub85c \uacc4\uc218 \ud574\uc11d<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Motivation -&gt; ExamScore<\/strong>: \ub3d9\uae30\uac00 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Stress -&gt; ExamScore<\/strong>: \uc2a4\ud2b8\ub808\uc2a4\uac00 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\uc9c1\uac04\uc811 \ud6a8\uacfc<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Motivation\uc774 ExamScore\uc5d0 \ubbf8\uce58\ub294 \uc9c1\ud6a8\uacfc<\/strong>: \uc608\ub97c \ub4e4\uc5b4, \uacbd\ub85c \uacc4\uc218\uac00 0.5\ub77c\uba74 \ub3d9\uae30\uac00 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \uae0d\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>Stress\uac00 ExamScore\uc5d0 \ubbf8\uce58\ub294 \uac04\uc811\ud6a8\uacfc<\/strong>: \uac04\uc811 \ud6a8\uacfc\ub97c \ud1b5\ud574 \uc2a4\ud2b8\ub808\uc2a4\uac00 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\uc7a0\uc7ac \ubcc0\uc218 \ud3c9\uac00<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub3d9\uae30(Motivation)<\/strong>: \uad00\ucc30 \ubcc0\uc218(Motivation1, Motivation2)\uac00 \ub3d9\uae30\ub77c\ub294 \uc7a0\uc7ac \ubcc0\uc218\ub97c \uc798 \uce21\uc815\ud558\ub294\uc9c0 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc2a4\ud2b8\ub808\uc2a4(Stress)<\/strong>: \uad00\ucc30 \ubcc0\uc218(Stress1, Stress2)\uac00 \uc2a4\ud2b8\ub808\uc2a4\ub77c\ub294 \uc7a0\uc7ac \ubcc0\uc218\ub97c \uc798 \uce21\uc815\ud558\ub294\uc9c0 \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-2\"><\/span>\uc694\uc57d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378(SEM)\uc740 \ubcc0\uc218 \uac04\uc758 \ubcf5\uc7a1\ud55c \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uace0, \uc778\uacfc \uad00\uacc4\ub97c \ud574\uc11d\ud558\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \ubaa8\ud615 \uc801\ud569\ub3c4 \ud3c9\uac00, \uacbd\ub85c \uacc4\uc218 \ud574\uc11d, \uc9c1\uac04\uc811 \ud6a8\uacfc \ubd84\uc11d, \uc7a0\uc7ac \ubcc0\uc218\uc758 \uc2e0\ub8b0\ub3c4\uc640 \ud0c0\ub2f9\ub3c4 \ud3c9\uac00, \uadf8\ub9ac\uace0 \ubaa8\ud615 \uc218\uc815\uc744 \ud1b5\ud574 SEM\uc744 \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc5f0\uad6c\uc790\ub294 \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \uba85\ud655\ud788 \uc774\ud574\ud558\uace0, \uc774\ub860\uc801 \ubaa8\ud615\uc744 \uac80\uc99d\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-25-1024x5.jpg\" alt=\"\" class=\"wp-image-1204\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-1024x5.jpg 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-300x1.jpg 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-768x4.jpg 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-1536x7.jpg 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-2048x10.jpg 2048w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-1320x6.jpg 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-25-920x4.jpg 920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%8B%9C_%ED%95%99%EC%83%9D%EB%93%A4%EC%9D%98_%ED%95%99%EC%97%85_%EC%84%B1%EC%B7%A8%EB%8F%84_%EB%B6%84%EC%84%9D-2\"><\/span>\uc608\uc2dc : \ud559\uc0dd\ub4e4\uc758 \ud559\uc5c5 \uc131\ucde8\ub3c4 \ubd84\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378(SEM)\uc758 \uc2e4\uc81c \uc0ac\ub840\ub97c \uc774\ud574\ud558\uae30 \uc704\ud574, \ud559\uc0dd\ub4e4\uc758 \ud559\uc5c5 \uc131\ucde8\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc694\uc778\ub4e4\uc744 \ubd84\uc11d\ud558\ub294 \uc608\uc2dc\ub97c \uc0ac\uc6a9\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uc608\uc2dc\ub294 \ud559\uc0dd\ub4e4\uc758 \ud559\uc5c5 \uc131\ucde8\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc5ec\ub7ec \uc694\uc778(\ub3d9\uae30, \uc2a4\ud2b8\ub808\uc2a4, \ud559\uc2b5 \ud658\uacbd \ub4f1)\uc744 \ubaa8\ub378\ub9c1\ud558\uc5ec, \uac01 \uc694\uc778 \uac04\uc758 \uc778\uacfc \uad00\uacc4\ub97c \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/p>\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><strong>\uc7a0\uc7ac \ubcc0\uc218(Latent Variables)<\/strong>:<\/li>\n\n\n\n<li><strong>\ub3d9\uae30(Motivation)<\/strong>: \ud559\uc2b5\uc5d0 \ub300\ud55c \ub3d9\uae30 \uc218\uc900<\/li>\n\n\n\n<li><strong>\uc2a4\ud2b8\ub808\uc2a4(Stress)<\/strong>: \ud559\uc2b5\uacfc \uad00\ub828\ub41c \uc2a4\ud2b8\ub808\uc2a4 \uc218\uc900<\/li>\n\n\n\n<li><strong>\uad00\ucc30\ub41c \ubcc0\uc218(Observed Variables)<\/strong>:<\/li>\n\n\n\n<li><strong>\uc2dc\ud5d8 \uc810\uc218(Exam Score)<\/strong><\/li>\n\n\n\n<li><strong>\ucd9c\uc11d\ub960(Attendance)<\/strong><\/li>\n\n\n\n<li><strong>\uacfc\uc81c \uc81c\ucd9c\ub960(Assignment Submission)<\/strong><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378 \uc815\uc758<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7a0\uc7ac \ubcc0\uc218\uc778 \ub3d9\uae30\uc640 \uc2a4\ud2b8\ub808\uc2a4\uac00 \ud559\uc5c5 \uc131\ucde8\ub3c4(\uc2dc\ud5d8 \uc810\uc218, \ucd9c\uc11d\ub960, \uacfc\uc81c \uc81c\ucd9c\ub960)\uc5d0 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \ubaa8\ub378\ub9c1\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">SEM \uc608\uc2dc \ucf54\ub4dc (Python\uc5d0\uc11c <code>semopy<\/code> \ub77c\uc774\ube0c\ub7ec\ub9ac \uc0ac\uc6a9)<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom semopy import Model, Optimizer\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\ndata = pd.DataFrame({\n    'Motivation1': &#91;3.2, 4.1, 2.9, 3.5, 3.8, 4.2, 3.7, 3.9, 4.0, 3.3],\n    'Motivation2': &#91;3.5, 4.2, 3.0, 3.8, 4.0, 4.4, 3.8, 4.1, 4.2, 3.6],\n    'Stress1': &#91;2.5, 3.0, 2.7, 3.2, 2.8, 3.1, 2.9, 3.0, 3.1, 2.6],\n    'Stress2': &#91;2.7, 3.1, 2.8, 3.3, 2.9, 3.2, 3.0, 3.1, 3.2, 2.7],\n    'ExamScore': &#91;85, 90, 78, 88, 84, 92, 89, 91, 90, 87],\n    'Attendance': &#91;90, 95, 85, 88, 92, 94, 93, 96, 94, 89],\n    'Assignment': &#91;80, 85, 75, 82, 88, 90, 89, 92, 91, 84]\n})\n\n# SEM \ubaa8\ud615 \uc815\uc758\ndesc = \"\"\"\nMotivation =~ Motivation1 + Motivation2\nStress =~ Stress1 + Stress2\nExamScore ~ Motivation + Stress\nAttendance ~ Motivation + Stress\nAssignment ~ Motivation + Stress\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<p class=\"wp-block-paragraph\"><strong>\ubaa8\ud615 \uc801\ud569\ub3c4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chi-square, RMSEA, CFI, TLI \ub4f1\uc758 \uc9c0\uc218\ub97c \ud1b5\ud574 \ubaa8\ud615\uc758 \uc801\ud569\ub3c4\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, RMSEA \uac12\uc774 0.05 \uc774\ud558\uc774\uba74 \ubaa8\ud615\uc774 \ub370\uc774\ud130\uc5d0 \uc798 \uc801\ud569\ud55c\ub2e4\uace0 \ud560 \uc218 \uc788\uc2b5\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<ul class=\"wp-block-list\">\n<li>\uac01 \uacbd\ub85c\uc758 \uacc4\uc218\ub97c \ud1b5\ud574 \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \ud574\uc11d\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608\ub97c \ub4e4\uc5b4, <code>Motivation -&gt; ExamScore<\/code>\uc758 \uacbd\ub85c \uacc4\uc218\uac00 \uc591\uc218\uc774\uba74, \ub3d9\uae30\uac00 \uc2dc\ud5d8 \uc810\uc218\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>\uc7a0\uc7ac \ubcc0\uc218\uc640 \uad00\ucc30\ub41c \ubcc0\uc218 \uac04\uc758 \uad00\uacc4<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc7a0\uc7ac \ubcc0\uc218\ub97c \uce21\uc815\ud558\uae30 \uc704\ud55c \uad00\ucc30\ub41c \ubcc0\uc218\ub4e4\uc758 \uc801\ud569\uc131\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc608\ub97c \ub4e4\uc5b4, <code>Motivation1<\/code>\uacfc <code>Motivation2<\/code>\ub294 \ub3d9\uae30(Motivation)\ub77c\ub294 \uc7a0\uc7ac \ubcc0\uc218\ub97c \uce21\uc815\ud558\uae30 \uc704\ud55c \ud56d\ubaa9\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%98%88%EC%8B%9C_%EB%8D%B0%EC%9D%B4%ED%84%B0%EC%9D%98_%EB%B6%84%EC%84%9D_%EA%B2%B0%EA%B3%BC\"><\/span>\uc608\uc2dc \ub370\uc774\ud130\uc758 \ubd84\uc11d \uacb0\uacfc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\ub3d9\uae30(Motivation)<\/strong>\uac00 <strong>\uc2dc\ud5d8 \uc810\uc218(Exam Score)<\/strong>, <strong>\ucd9c\uc11d\ub960(Attendance)<\/strong>, <strong>\uacfc\uc81c \uc81c\ucd9c\ub960(Assignment)<\/strong>\uc5d0 \uae0d\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce5c\ub2e4\ub294 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc2a4\ud2b8\ub808\uc2a4(Stress)<\/strong>\ub294 <strong>\uc2dc\ud5d8 \uc810\uc218<\/strong>, <strong>\ucd9c\uc11d\ub960<\/strong>, <strong>\uacfc\uc81c \uc81c\ucd9c\ub960<\/strong>\uc5d0 \ubd80\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EA%B2%B0%EB%A1%A0\"><\/span>\uacb0\ub860<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc608\uc2dc\ub294 \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378(SEM)\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud559\uc0dd\ub4e4\uc758 \ud559\uc5c5 \uc131\ucde8\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc694\uc778\ub4e4\uc744 \ubd84\uc11d\ud558\ub294 \uacfc\uc815\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. SEM\uc740 \uc7a0\uc7ac \ubcc0\uc218\uc640 \uad00\ucc30\ub41c \ubcc0\uc218 \uac04\uc758 \ubcf5\uc7a1\ud55c \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1\ud558\uace0, \uc778\uacfc \uad00\uacc4\ub97c \ubd84\uc11d\ud558\ub294 \ub370 \uc720\uc6a9\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc5f0\uad6c\uc790\ub294 \ubcc0\uc218 \uac04\uc758 \uc9c1\uc811\uc801 \ubc0f \uac04\uc811\uc801 \uc601\ud5a5\uc744 \uc774\ud574\ud558\uace0, \uc774\ub860\uc801 \uac00\uc124\uc744 \uac80\uc99d\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-26-1024x5.jpg\" alt=\"\" class=\"wp-image-1205\" srcset=\"http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-26-1024x5.jpg 1024w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-26-300x1.jpg 300w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-26-768x4.jpg 768w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-26-1536x7.jpg 1536w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-26-2048x10.jpg 2048w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-26-1320x6.jpg 1320w, http:\/\/www.inmining.co.kr\/sm24_wp\/wp-content\/uploads\/2024\/07\/line-26-920x4.jpg 920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SEM_%EC%86%8C%ED%94%84%ED%8A%B8%EC%9B%A8%EC%96%B4\"><\/span>SEM \uc18c\ud504\ud2b8\uc6e8\uc5b4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378(SEM)\uc744 \ubd84\uc11d\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ud558\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4\ub85c\ub294 R\uc758 <code>lavaan<\/code> \ud328\ud0a4\uc9c0, Python\uc758 <code>semopy<\/code> \ud328\ud0a4\uc9c0, <strong>AMOS<\/strong>, Mplus, SmartPlus \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 Python\uc758 <code>semopy<\/code> \ud328\ud0a4\uc9c0\uc640 R\uc758 <code>lavaan<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec SEM \ubd84\uc11d\uc744 \uc218\ud589\ud558\ub294 \uc608\uc2dc\ub97c \ubcf4\uc5ec\ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_semopy_%ED%8C%A8%ED%82%A4%EC%A7%80_%EC%82%AC%EC%9A%A9_%EC%98%88%EC%8B%9C\"><\/span>Python: <code>semopy<\/code> \ud328\ud0a4\uc9c0 \uc0ac\uc6a9 \uc608\uc2dc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\ub370\uc774\ud130 \uc0dd\uc131 \ubc0f SEM \ubaa8\ub378 \uc815\uc758<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>import pandas as pd\nfrom semopy import Model, Optimizer\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\ndata = pd.DataFrame({\n    'Motivation1': &#91;3.2, 4.1, 2.9, 3.5, 3.8, 4.2, 3.7, 3.9, 4.0, 3.3],\n    'Motivation2': &#91;3.5, 4.2, 3.0, 3.8, 4.0, 4.4, 3.8, 4.1, 4.2, 3.6],\n    'Stress1': &#91;2.5, 3.0, 2.7, 3.2, 2.8, 3.1, 2.9, 3.0, 3.1, 2.6],\n    'Stress2': &#91;2.7, 3.1, 2.8, 3.3, 2.9, 3.2, 3.0, 3.1, 3.2, 2.7],\n    'ExamScore': &#91;85, 90, 78, 88, 84, 92, 89, 91, 90, 87],\n    'Attendance': &#91;90, 95, 85, 88, 92, 94, 93, 96, 94, 89],\n    'Assignment': &#91;80, 85, 75, 82, 88, 90, 89, 92, 91, 84]\n})\n\n# SEM \ubaa8\ud615 \uc815\uc758\ndesc = \"\"\"\nMotivation =~ Motivation1 + Motivation2\nStress =~ Stress1 + Stress2\nExamScore ~ Motivation + Stress\nAttendance ~ Motivation + Stress\nAssignment ~ Motivation + Stress\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=\"R_lavaan_%ED%8C%A8%ED%82%A4%EC%A7%80_%EC%82%AC%EC%9A%A9_%EC%98%88%EC%8B%9C\"><\/span>R: <code>lavaan<\/code> \ud328\ud0a4\uc9c0 \uc0ac\uc6a9 \uc608\uc2dc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\ub370\uc774\ud130 \uc0dd\uc131 \ubc0f SEM \ubaa8\ub378 \uc815\uc758<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># lavaan \ud328\ud0a4\uc9c0 \uc124\uce58 \ubc0f \ub85c\ub4dc\ninstall.packages(\"lavaan\")\nlibrary(lavaan)\n\n# \uc608\uc2dc \ub370\uc774\ud130 \uc0dd\uc131\ndata &lt;- data.frame(\n  Motivation1 = c(3.2, 4.1, 2.9, 3.5, 3.8, 4.2, 3.7, 3.9, 4.0, 3.3),\n  Motivation2 = c(3.5, 4.2, 3.0, 3.8, 4.0, 4.4, 3.8, 4.1, 4.2, 3.6),\n  Stress1 = c(2.5, 3.0, 2.7, 3.2, 2.8, 3.1, 2.9, 3.0, 3.1, 2.6),\n  Stress2 = c(2.7, 3.1, 2.8, 3.3, 2.9, 3.2, 3.0, 3.1, 3.2, 2.7),\n  ExamScore = c(85, 90, 78, 88, 84, 92, 89, 91, 90, 87),\n  Attendance = c(90, 95, 85, 88, 92, 94, 93, 96, 94, 89),\n  Assignment = c(80, 85, 75, 82, 88, 90, 89, 92, 91, 84)\n)\n\n# SEM \ubaa8\ud615 \uc815\uc758\nmodel &lt;- '\n  Motivation =~ Motivation1 + Motivation2\n  Stress =~ Stress1 + Stress2\n  ExamScore ~ Motivation + Stress\n  Attendance ~ Motivation + Stress\n  Assignment ~ Motivation + Stress\n'\n\n# \ubaa8\ud615 \uc801\ud569\nfit &lt;- sem(model, data=data)\n\n# \uacb0\uacfc \ucd9c\ub825\nsummary(fit, fit.measures=TRUE)<\/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-4\"><\/span>\uacb0\uacfc \ud574\uc11d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Python \uacb0\uacfc<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Python\uc758 <code>semopy<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378\uc744 \uc801\ud569\uc2dc\ud0a8 \ud6c4 <code>model.inspect()<\/code> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacb0\uacfc\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud568\uc218\ub294 \ubaa8\ud615 \uc801\ud569\ub3c4 \uc9c0\uc218, \uacbd\ub85c \uacc4\uc218, \ud45c\uc900 \uc624\ucc28 \ubc0f p-\uac12\uc744 \ud3ec\ud568\ud55c \ub2e4\uc591\ud55c \ud1b5\uacc4 \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">R \uacb0\uacfc<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">R\uc758 <code>lavaan<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub378\uc744 \uc801\ud569\uc2dc\ud0a8 \ud6c4 <code>summary(fit, fit.measures=TRUE)<\/code> \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacb0\uacfc\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud568\uc218\ub294 \ubaa8\ud615 \uc801\ud569\ub3c4 \uc9c0\uc218, \uacbd\ub85c \uacc4\uc218, \ud45c\uc900 \uc624\ucc28 \ubc0f p-\uac12\uc744 \ud3ec\ud568\ud55c \ub2e4\uc591\ud55c \ud1b5\uacc4 \uc815\ubcf4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EC%A3%BC%EC%9A%94_%ED%95%B4%EC%84%9D_%ED%8F%AC%EC%9D%B8%ED%8A%B8\"><\/span>\uc8fc\uc694 \ud574\uc11d \ud3ec\uc778\ud2b8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubaa8\ud615 \uc801\ud569\ub3c4 \uc9c0\uc218<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi-Square<\/strong>: \ub0ae\uc744\uc218\ub85d \uc88b\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>RMSEA<\/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\/TLI<\/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<\/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<ul class=\"wp-block-list\">\n<li><strong>\ud45c\uc900\ud654\ub41c \uacbd\ub85c \uacc4\uc218<\/strong>: -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\n\n\n<li><strong>\ube44\ud45c\uc900\ud654 \uacbd\ub85c \uacc4\uc218<\/strong>: \uc6d0 \ub370\uc774\ud130 \ub2e8\uc704\ub85c \ud45c\ud604\ub41c \uacc4\uc218\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>t-\uac12 \ubc0f p-\uac12<\/strong>: \uacbd\ub85c \uacc4\uc218\uc758 \ud1b5\uacc4\uc801 \uc720\uc758\uc131\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4. p-\uac12\uc774 0.05 \uc774\ud558\uc774\uba74 \uacbd\ub85c\uac00 \uc720\uc758\ubbf8\ud558\ub2e4\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc9c1\uac04\uc811 \ud6a8\uacfc \ubd84\uc11d<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uc9c1\ud6a8\uacfc (Direct Effect)<\/strong>: \ud55c \ubcc0\uc218\uc5d0\uc11c \ub2e4\ub978 \ubcc0\uc218\ub85c \uc9c1\uc811 \uc5f0\uacb0\ub41c \uacbd\ub85c\uc758 \ud6a8\uacfc\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uac04\uc811\ud6a8\uacfc (Indirect Effect)<\/strong>: \ud55c \ubcc0\uc218\uac00 \uc911\uac04 \ubcc0\uc218\ub97c \ud1b5\ud574 \ub2e4\ub978 \ubcc0\uc218\uc5d0 \ubbf8\uce58\ub294 \ud6a8\uacfc\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\ucd1d\ud6a8\uacfc (Total Effect)<\/strong>: \uc9c1\ud6a8\uacfc\uc640 \uac04\uc811\ud6a8\uacfc\uc758 \ud569\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%EA%B2%B0%EB%A1%A0-2\"><\/span>\uacb0\ub860<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc608\uc2dc\ub97c \ud1b5\ud574 Python\uc758 <code>semopy<\/code> \ud328\ud0a4\uc9c0\uc640 R\uc758 <code>lavaan<\/code> \ud328\ud0a4\uc9c0\ub97c \uc0ac\uc6a9\ud558\uc5ec \uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378(SEM)\uc744 \ubd84\uc11d\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ubaa8\ub450 SEM\uc744 \uc218\ud589\ud558\ub294 \ub370 \uc720\uc6a9\ud558\uba70, \ubaa8\ud615 \uc801\ud569\ub3c4 \ud3c9\uac00, \uacbd\ub85c \uacc4\uc218 \ud574\uc11d, \uc9c1\uac04\uc811 \ud6a8\uacfc \ubd84\uc11d \ub4f1\uc744 \ud1b5\ud574 \ubcc0\uc218 \uac04\uc758 \ubcf5\uc7a1\ud55c \uad00\uacc4\ub97c \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uad6c\uc870\ubc29\uc815\uc2dd \ubaa8\ub378\ub9c1(SEM, Structural Equation Modeling)\uc740 \uad00\ucc30\ub41c \ubcc0\uc218\uc640 \uc7a0\uc7ac \ubcc0\uc218 \uac04\uc758 \ubcf5\uc7a1\ud55c \uad00\uacc4\ub97c \ubd84\uc11d\ud558\uace0 \ubaa8\ud615\ud654\ud558\ub294 \ud1b5\uacc4\uc801 \uae30\ubc95\uc785\ub2c8\ub2e4. SEM\uc740 \uacbd\ub85c&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1208,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-728","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\/728","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=728"}],"version-history":[{"count":4,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/728\/revisions"}],"predecessor-version":[{"id":1266,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/728\/revisions\/1266"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/1208"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=728"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}