{"id":1179,"date":"2023-12-01T01:04:04","date_gmt":"2023-11-30T17:04:04","guid":{"rendered":"https:\/\/edu.secda.info\/scu12354014\/?p=1179"},"modified":"2023-12-19T17:44:36","modified_gmt":"2023-12-19T09:44:36","slug":"20231121%e7%ac%ac%e5%8d%81%e4%b8%80%e9%80%b1-%e5%a4%9a%e8%ae%8a%e9%87%8f%e4%bd%9c%e6%a5%ad","status":"publish","type":"post","link":"https:\/\/edu.secda.info\/scu12354014\/?p=1179","title":{"rendered":"20231121\u7b2c\u5341\u4e00\u9031-\u591a\u8b8a\u91cf\u4f5c\u696d"},"content":{"rendered":"<p><span style=\"color: #000080;\"><strong>\u672c\u9031\u4f5c\u696d<\/strong><\/span><br \/>\n<strong>\u5f9e\u8cc7\u6599\u5eab\u4e2d\u7684 \u6d89\u5165\u5ea6\u3001\u4e92\u52d5\u3001\u54c1\u724c\u5f62\u8c61\u3001\u4fe1\u4efb \u56db\u500b\u8b8a\u9805\u4f9d\u64da \u5206\u7fa4\u6280\u8853(\u53ef\u4ee5\u9078\u64c7\u96c6\u7fa4\u5206\u6790-\u9023\u7e8c\u91cf\u5c3a\u3001\u6f5b\u5728\u985e\u5225\u5206\u6790-\u4e8c\u5206\u8b8a\u9805)\u9032\u884c\u5206\u7fa4\u7684\u52d5\u4f5c(\u8981\u547d\u540d)\uff0c\u7136\u5f8c\u6aa2\u9a57\u6027\u5225x\u6b64\u5206\u7fa4 \u5c0d\u8cfc\u8cb7\u610f\u9858\u7684\u5177\u4ea4\u4e92\u4f5c\u7528\u7684\u4e8c\u56e0\u5b50\u8b8a\u7570\u6578\u5206\u6790\uff0c\u5448\u73fe\u5176\u5206\u6790\u7d50\u679c\u3001\u5831\u8868\u8207\u5716\u793a\u3002<\/strong><\/p>\n<h4><span style=\"color: #800080;\"><strong>#\u5206\u7fa4\u4f7f\u7528\u00a0 kmeans \u5206\u7fa4<\/strong><\/span><\/h4>\n<p>\u5206\u7fa4 &gt; \u96c6\u7fa4\u5206\u6790\u00a0 \u7d44\u5167\u540c\u8cea\uff0c\u7d44\u9593\u7570\u8cea<\/p>\n<p>&nbsp;<\/p>\n<blockquote><p>windows()<br \/>\nplot(Data[,34:37])<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1211\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003531-298x300.png\" alt=\"\" width=\"629\" height=\"633\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003531-298x300.png 298w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003531-794x800.png 794w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003531-150x150.png 150w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003531-768x774.png 768w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003531-230x230.png 230w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003531.png 891w\" sizes=\"(max-width: 629px) 100vw, 629px\" \/><\/p>\n<p>\u6d89\u5165\u5ea6\u3001\u4e92\u52d5\u3001\u54c1\u724c\u5f62\u8c61\u3001\u4fe1\u4efb \u56db\u500b\u8b8a\u9805<\/p>\n<p>#\u5206\u5e7e\u7fa4?<\/p>\n<blockquote><p>fviz_nbclust(A,<br \/>\nkmeans,<br \/>\nnstart = 25,<br \/>\nmethod = &#8216;gap_stat&#8217;,<br \/>\nnboot = 50)+<br \/>\nlabs(subtitle = &#8216;Gap statistic method&#8217;)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1212\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003917-296x300.png\" alt=\"\" width=\"634\" height=\"642\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003917-296x300.png 296w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003917-789x800.png 789w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003917-768x779.png 768w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-003917.png 893w\" sizes=\"(max-width: 634px) 100vw, 634px\" \/><\/p>\n<p>##\u5efa\u8b70\u5206\u4e00\u7fa4<\/p>\n<blockquote><p>fviz_nbclust(A,<br \/>\nkmeans,<br \/>\nmethod = &#8216;wss&#8217;)+<br \/>\ngeom_vline(xintercept = 4,linetype =2)+<br \/>\nlabs(subtitle = &#8216;Gap statistic method&#8217;)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1213\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004019-296x300.png\" alt=\"\" width=\"650\" height=\"659\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004019-296x300.png 296w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004019-790x800.png 790w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004019-768x777.png 768w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004019.png 894w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p>#Elbow method \u5efa\u8b70\u5206\u56db\u7fa4<\/p>\n<blockquote><p>fviz_nbclust(A,<br \/>\nkmeans,<br \/>\nmethod = &#8216;silhouette&#8217;)+<br \/>\nlabs(subtitle = &#8216;Gap statistic method&#8217;)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1214\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004100-298x300.png\" alt=\"\" width=\"692\" height=\"696\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004100-298x300.png 298w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004100-796x800.png 796w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004100-150x150.png 150w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004100-768x772.png 768w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004100-230x230.png 230w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004100.png 898w\" sizes=\"(max-width: 692px) 100vw, 692px\" \/><\/p>\n<p>#Eilhouette method \u5efa\u8b70\u5206\u5169\u7fa4<\/p>\n<blockquote><p>#Compute diana() \u8a08\u7b97\u8ddd\u96e2<br \/>\nres.diana &lt;- diana(A,) #stand = TRUE \u4e0d\u6a19\u6e96\u5316)<\/p>\n<p>#Plot the dendrogram<br \/>\nlibrary(factoextra)<\/p>\n<p>windows()<br \/>\nfviz_dend(res.diana,cex = 0.5,<br \/>\nk = 2, #Cut in 2 groups<br \/>\npalette = &#8216;jco&#8217;# color palette<br \/>\n)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1215\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004221-300x300.png\" alt=\"\" width=\"663\" height=\"663\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004221-300x300.png 300w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004221-150x150.png 150w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004221-270x270.png 270w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004221-230x230.png 230w\" sizes=\"(max-width: 663px) 100vw, 663px\" \/><\/p>\n<p>\u7d9c\u5408\u4ee5\u4e0a\uff0c\u5206\u70ba2\u7fa4\u505a\u63a5\u7e8c\u5206\u6790\u3002<\/p>\n<blockquote><p>set_clu &lt;- 2<\/p>\n<p>km.res &lt;- kmeans(A,centers = set_clu ,iter.max = 25 ,nstart = 1)<br \/>\n#Print the results<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1216\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004515-300x48.png\" alt=\"\" width=\"706\" height=\"113\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004515-300x48.png 300w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-004515.png 463w\" sizes=\"(max-width: 706px) 100vw, 706px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h4><span style=\"color: #800080;\"><strong>#\u6aa2\u9a57\u6027\u5225X\u6b64\u5206\u7fa4<\/strong><\/span><br \/>\n<span style=\"color: #800080;\"><strong>#\u5c0d\u8cfc\u8cb7\u610f\u9858\u7684\u5177\u4ea4\u4e92\u4f5c\u7528\u7684\u4e8c\u56e0\u5b50\u8b8a\u7570\u6578\u5206\u6790<\/strong><\/span><\/h4>\n<p>#\u6574\u7406\u8cc7\u6599<\/p>\n<blockquote><p>Data$sex &lt;- ifelse(Data$g1==1,&#8217;Boy&#8217;,&#8217;Girl&#8217;)<\/p>\n<p>Data$cluster &lt;- km.res$cluster<\/p>\n<p>HW &lt;-Data[,c(34:40)]<\/p>\n<p># \u6839\u64da\u5206\u7fa4\u5e73\u5747\u503c\uff0c\u9032\u884c\u63cf\u8ff0\u6027\u547d\u540d<br \/>\nHW$cluster &lt;- ifelse(Data$cluster==1,&#8217;\u8b39\u614e\u6d88\u8cbb\u8005&#8217;,&#8217;\u5fe0\u8aa0\u6d88\u8cbb\u8005&#8217;)<\/p><\/blockquote>\n<p>\u6839\u64da\u6bcf\u500b\u7fa4\u96c6\u7684\u5e73\u5747\u6578\u503c\uff0c\u89c0\u5bdf\u547d\u540d\uff0c<\/p>\n<p>cluster 1\u547d\u540d\u70ba&#8217;\u8b39\u614e\u6d88\u8cbb\u8005&#8217;\uff1bcluster 2\u547d\u540d\u70ba&#8217;\u5fe0\u8aa0\u6d88\u8cbb\u8005&#8217;<\/p>\n<blockquote><p>table_two &lt;-group_by(HW,cluster,sex) %&gt;%<br \/>\nsummarise(<br \/>\ncount = n(),<br \/>\nmean = mean(\u8cfc\u8cb7\u610f\u9858,na.rm =TRUE),<br \/>\nsd = sd(\u8cfc\u8cb7\u610f\u9858 , na.rm =TRUE),<br \/>\nvar = var(\u8cfc\u8cb7\u610f\u9858 , na.rm =TRUE)<br \/>\n)<br \/>\ntable_two<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1217\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005405-300x85.png\" alt=\"\" width=\"819\" height=\"232\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005405-300x85.png 300w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005405.png 513w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><\/p>\n<p>&nbsp;<\/p>\n<blockquote><p>two &lt;- aov(\u8cfc\u8cb7\u610f\u9858 ~ cluster*sex,data=HW)<br \/>\nsummary(two)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1218\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005506-300x72.png\" alt=\"\" width=\"774\" height=\"186\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005506-300x72.png 300w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005506.png 729w\" sizes=\"(max-width: 774px) 100vw, 774px\" \/><\/p>\n<p>Df\u00a0 \u00a0 Sum\u00a0 Sq\u00a0 \u00a0Mean Sq\u00a0 \u00a0 \u00a0F value\u00a0 \u00a0Pr(&gt;F)<\/p>\n<p>#cluster:sex\u00a0 \u00a0 \u00a0 1\u00a0 \u00a0 \u00a0 2.13\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.13\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.718\u00a0 \u00a0 \u00a0 \u00a00.1001<br \/>\n#\u4ea4\u4e92\u4f5c\u7528\u6c92\u6709\u986f\u8457\uff0c\u6c92\u4e2d\u6548<\/p>\n<blockquote><p>\u5e73\u5747\u6578\u6458\u8981\u8868<br \/>\nmodel.tables(two, type=&#8217;means&#8217;,se = TRUE)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1219\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005655-287x300.png\" alt=\"\" width=\"746\" height=\"779\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005655-287x300.png 287w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005655.png 499w\" sizes=\"(max-width: 746px) 100vw, 746px\" \/><\/p>\n<blockquote><p>###\u4ea4\u4e92\u4f5c\u7528\u4e0d\u986f\u8457\uff0c\u76f4\u63a5\u505a\u500b\u5225\u7684\u4e8b\u5f8c\u6bd4\u8f03<br \/>\nTukeyHSD(two,which = &#8216;cluster&#8217;)<br \/>\nTukeyHSD(two,which = &#8216;sex&#8217;)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1220\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005805-300x190.png\" alt=\"\" width=\"792\" height=\"501\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005805-300x190.png 300w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005805.png 692w\" sizes=\"(max-width: 792px) 100vw, 792px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>###\u5047\u8a2d\u6aa2\u9a57<\/p>\n<blockquote><p>normal distribution<br \/>\nlibrary(car)<br \/>\nwindows()<br \/>\nqqPlot(two$residuals,<br \/>\nid = FALSE ) #remove point identification<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1221\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005945-292x300.png\" alt=\"\" width=\"645\" height=\"662\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005945-292x300.png 292w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005945-779x800.png 779w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005945-768x789.png 768w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-005945.png 888w\" sizes=\"(max-width: 645px) 100vw, 645px\" \/><\/p>\n<p>\u5716\u5f62\u4f86\u770b\uff0c\u7b26\u5408\u5e38\u614b\u6027\u5047\u8a2d\u3002<\/p>\n<blockquote><p>shapiro.test(two$residuals)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1222\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010124-300x82.png\" alt=\"\" width=\"490\" height=\"134\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010124-300x82.png 300w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010124.png 470w\" sizes=\"(max-width: 490px) 100vw, 490px\" \/><br \/>\n#W = 0.99405, p-value = 0.1393<br \/>\n#\u4e0d\u62d2\u7d55\u865b\u7121\u5047\u8a2d\uff0c\u70ba\u5e38\u614b<\/p>\n<p>&nbsp;<\/p>\n<blockquote><p>#Homogeneity of variances<br \/>\nwindows()<br \/>\nplot(two, which = 3)<\/p>\n<p>leveneTest(two)<\/p><\/blockquote>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1223\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010156-300x297.png\" alt=\"\" width=\"654\" height=\"647\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010156-300x297.png 300w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010156-800x792.png 800w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010156-768x760.png 768w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010156.png 903w\" sizes=\"(max-width: 654px) 100vw, 654px\" \/><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone wp-image-1224\" src=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010230-300x37.png\" alt=\"\" width=\"511\" height=\"63\" srcset=\"https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010230-300x37.png 300w, https:\/\/edu.secda.info\/scu12354014\/wp-content\/uploads\/2023\/12\/\u87a2\u5e55\u64f7\u53d6\u756b\u9762-2023-12-01-010230.png 731w\" sizes=\"(max-width: 511px) 100vw, 511px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>#Levene&#8217;s Test for Homogeneity of Variance (center = median)<br \/>\n# Df F value Pr(&gt;F)<br \/>\n#group 3 2.0882 0.1013<br \/>\n# 380<br \/>\n#\u8b8a\u7570\u6578\u540c\u503c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u9031\u4f5c\u696d \u5f9e\u8cc7\u6599\u5eab\u4e2d\u7684 \u6d89\u5165\u5ea6\u3001\u4e92\u52d5\u3001\u54c1\u724c\u5f62\u8c61\u3001\u4fe1\u4efb \u56db\u500b\u8b8a\u9805\u4f9d\u64da \u5206\u7fa4\u6280\u8853(\u53ef<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,26],"tags":[],"_links":{"self":[{"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=\/wp\/v2\/posts\/1179"}],"collection":[{"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1179"}],"version-history":[{"count":11,"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=\/wp\/v2\/posts\/1179\/revisions"}],"predecessor-version":[{"id":1229,"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=\/wp\/v2\/posts\/1179\/revisions\/1229"}],"wp:attachment":[{"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edu.secda.info\/scu12354014\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}