{"id":1600,"date":"2020-03-18T09:42:55","date_gmt":"2020-03-18T01:42:55","guid":{"rendered":"http:\/\/si.secda.info\/wenft_course5\/?p=1600"},"modified":"2020-03-18T09:59:39","modified_gmt":"2020-03-18T01:59:39","slug":"20200318-efa","status":"publish","type":"post","link":"https:\/\/si.secda.info\/wenft_course5\/?p=1600","title":{"rendered":"20200318 EFA"},"content":{"rendered":"\n<p>my  &lt;- read.csv(file=&#8221;efa.csv&#8221;,header = T , sep=&#8217;,&#8217;) <\/p>\n\n\n\n<p>head(my,20)<br>\nsummary(my)<br>\ndim(my)<\/p>\n\n\n\n<p>a &lt;- my[ , c(2:31)]<\/p>\n\n\n\n<p>head(a,20)<br>\nstr(a)<br>\ndim(a)<br>\nsummary(a)<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">\u53ef\u4ee5\u5728EXCEL\u53bb\u9664\u7de8\u865f\u3001\u6027\u5225\u8207\u6559\u80b2\u7a0b\u5ea6<\/h6>\n\n\n\n<h6 class=\"wp-block-heading\">\u5f9e\u539f\u59cbmy data\u53d6\u554f\u5377\u91cf\u8868\u7684\u90e8\u5206\u51fa\u4f86<\/h6>\n\n\n\n<p>a_nomiss &lt;- na.omit(a)<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">delete missing data, listwise deletion<\/h6>\n\n\n\n<p>head(a_nomiss,20)<br>\nstr(a_nomiss)<br>\ndim(a_nomiss)<br>\nsummary(a_nomiss)<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">EFA= Exploratory Factor Analysis<\/h6>\n\n\n\n<p>library(psych)<br>\nlibrary(GPArotation)<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">\u8f49\u8ef8\u7528<\/h6>\n\n\n\n<p>a_nomiss.paf6 = fa(a_nomiss, nfactors=6,rotate=&#8221;promax&#8221;,SMC=TRUE,fm=&#8221;pa&#8221;)<\/p>\n\n\n\n<p>a_nomiss.paf6<\/p>\n\n\n\n<p>print(a_nomiss.paf6$loadings, cutoff = 0.3)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>my &lt;- read.csv(file=&#8221; [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[1,49],"tags":[],"class_list":["post-1600","post","type-post","status-publish","format-standard","hentry","category-uncategorized","category-c","has_no_thumb"],"_links":{"self":[{"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=\/wp\/v2\/posts\/1600","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1600"}],"version-history":[{"count":4,"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=\/wp\/v2\/posts\/1600\/revisions"}],"predecessor-version":[{"id":1606,"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=\/wp\/v2\/posts\/1600\/revisions\/1606"}],"wp:attachment":[{"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1600"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1600"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/si.secda.info\/wenft_course5\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}