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10px;text-align: center;\">\n<section style=\"width: 100%;height: 5px;background-color: rgb(255, 255, 255);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u5c0f\u4f19\u4f34\u5728\u6574\u7406\u6570\u636e\u65f6\u5019\uff0c\u7531\u4e8e\u5206\u7ec4\u8f83\u591a\uff0c\u4e0d\u77e5\u9053\u600e\u4e48\u6837\u53bb\u8bf4\u660e\u5206\u7ec4\u7684\u5dee\u5f02\uff0c\u8fd9\u4e2a\u65f6\u5019\u5c31\u4f1a\u7528\u5230\u4e3b\u6210\u5206\u5206\u6790(PCA).<\/p>\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u5c0f\u82b1\u5148\u5e26\u5927\u5bb6\u4e86\u89e3\u4e00\u4e0bPCA\uff0c\u5176\u5b9ePCA\u662f\u6700\u5e38\u89c1\u7684\u591a\u5143\u6570\u636e\u5206\u6790\u7c7b\u578b\u4e4b\u4e00\u3002\u5f53\u57fa\u56e0\u8868\u8fbe\u5b9a\u91cf\u540e\u83b7\u5f97\u4e86\u5404\u6837\u672c\u4e2d\u6240\u6709\u57fa\u56e0\u7684\u8868\u8fbe\u503c\u4fe1\u606f\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u671f\u671b\u6bd4\u8f83\u6837\u672c\u4e4b\u95f4\u5728\u57fa\u56e0\u8868\u8fbe\u503c\u7684\u6574\u4f53\u76f8\u4f3c\u6027\u6216\u8005\u5dee\u5f02\u7a0b\u5ea6\u3002\u57fa\u56e0\u6570\u91cf\u6210\u5343\u4e0a\u4e07\uff0c\u80af\u5b9a\u4e0d\u80fd\u5bf9\u6bcf\u4e2a\u57fa\u56e0\u7684\u8868\u8fbe\u90fd\u4f5c\u4e2a\u6bd4\u8f83\uff0c\u8fd9\u65f6\u5019\u5c31\u8981\u7528\u5230\u201c\u964d\u7ef4\u201d\u7b97\u6cd5\uff0cPCA\u5206\u6790\u56e0\u6b64\u6d3e\u4e0a\u7528\u573a\u3002PCA\u8bbe\u6cd5\u5c06N\u7ef4\uff08N=\u57fa\u56e0\u6570\u91cf\uff09\u7684\u8868\u8fbe\u77e9\u9635\u964d\u7ef4\u6210\u53ea\u6709\u5c11\u6570\u51e0\u4e2a\u4e3b\u6210\u5206\u7684\u5f62\u5f0f\uff0c\u8fd9\u51e0\u4e2a\u4e3b\u6210\u5206\u5c31\u53ef\u4ee5\u4ee3\u8868\u6240\u6709\u57fa\u56e0\u7684\u6574\u4f53\u8868\u8fbe\u683c\u5c40\uff0c\u8fdb\u800c\u636e\u6b64\u63cf\u8ff0\u6837\u672c\u5dee\u5f02\u3002<\/p>\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u5c0f\u82b1\u8fd9\u91cc\u5229\u7528\u7684R\u8bed\u8a00\u4e2dggolot2\u5305\uff0c\u5e26\u5c0f\u4f19\u4f34\u7ed8\u5236\u53ef\u53d1\u8868\u7ea7\u522b\u7684\u4e3b\u6210\u5206\u5206\u6790\u56fe\u3002<\/p>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">\u6211\u4eec\u5148\u8f7d\u5165\u6570\u636e\u96c6\u548cR\u5305<\/span><\/code><code><span class=\"code-snippet_outer\">library(ggplot2)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u5c0f\u82b1\u8fd9\u91cc\u4f7f\u7528\u7ecf\u5178iris\u6570\u636e\u96c6<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df <- iris[<span class=\"code-snippet__built_in\">c<\/span>(<span class=\"code-snippet__number\">1<\/span>, <span class=\"code-snippet__number\">2<\/span>, <span class=\"code-snippet__number\">3<\/span>, <span class=\"code-snippet__number\">4<\/span>)]<\/span><\/code><code><span class=\"code-snippet_outer\">head(df)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.38966202783300197\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_am2ibue7JImwOJyJ7FiaibYicQQd0Q.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1vJ20d379fXRtEwZMyDKyBRFvriaU8iam2ibue7JImwOJyJ7FiaibYicQQd0Q\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"503\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u6839\u636e\u8fd9\u79cd\u6570\u636e\u96c6\u5f62\u5f0f\uff0c\u81ea\u884c\u51c6\u5907\u3002<\/p>\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u63a5\u4e0b\u6765\u8fdb\u884c\u4e3b\u6210\u5206\u5206\u6790<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">df_pca <- prcomp(df) <span class=\"code-snippet__comment\">#\u5229\u7528prcomp\u51fd\u6570\u8ba1\u7b97\u4e3b\u6210\u5206<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df_pcs <-data.frame(df_pca$x, Species = iris$Species)<\/span><\/code><code><span class=\"code-snippet_outer\">head(df_pcs,<span class=\"code-snippet__number\">3<\/span>) <span class=\"code-snippet__comment\">#\u67e5\u770b\u4e3b\u6210\u5206\u7ed3\u679c<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.19318181818181818\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_PI3dBtibJ16pWesAq9VzhA4eqsxnZA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1UJmcnwJLFtibOovXbmRRdbrIxnPI3dBtibJ16pWesAq9VzhA4eqsxnZA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"528\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u6211\u4eec\u5148\u4f7f\u7528\u57fa\u7840\u7684\u51fd\u6570\u53bb\u7ed8\u5236PCA\u56fe\uff1a<\/p>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8484848484848485\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_nWicm01u1RPtHZHMF3YRHQXm3pX72Q.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1DTV4AwqibxT8xgLjPIF3PVx2aOnWicm01u1RPtHZHMF3YRHQXm3pX72Q\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"759\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u8fd9\u6837\u7ed3\u679c\u5c31\u5c55\u793a\u51fa\u6765\u4e86\uff0c\u4f46\u662f\u56fe\u7247\u6ca1\u6709\u989c\u8272\u7b49\u5176\u5b83\u7684\u53ef\u4ee5\u533a\u5206\u5dee\u5f02\u7684\u7279\u70b9\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u4f7f\u7528ggplot2\u53bb\u7f8e\u5316PCA\u56fe\u3002<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u4f7f\u7528ggplot2 \u7ed8\u5236PCA\u56fe<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#Species\u5206\u989c\u8272<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color=Species))+ geom_point()<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8671978751660027\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_ECyBL8TiapChHxwwbXbGN7Ghezt8ng.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1iaRiaGia0icMPZGNS8aRtibg8VibVcUECyBL8TiapChHxwwbXbGN7Ghezt8ng\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"753\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u8fd9\u6837PCA\u56fe\u5c31\u7ed8\u5236\u51fa\u6765\u4e86\uff0c\u5c0f\u4f19\u4f34\u53d1\u73b0\uff0c\u6a2a\u5750\u6807PC1\u4ee5\u53ca\u7eb5\u5750\u6807PC2\uff0c\u989c\u8272\u90fd\u6709\u53d8\u5316\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u6e05\u6670\u7684\u770b\u51fa\u4e09\u7ec4\u6570\u636e\u6709\u65e0\u660e\u663e\u5dee\u5f02\u3002\u63a5\u4e0b\u91cc\u6211\u4eec\u7ee7\u7eed\u8c03\u6574\u4e00\u4e0b\u7ec6\u8282\u3002<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u53bb\u6389\u80cc\u666f\u53ca\u7f51\u683c\u7ebf<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color=Species))+<\/span><\/code><code><span class=\"code-snippet_outer\">geom_point()+<\/span><\/code><code><span class=\"code-snippet_outer\">theme_bw() +<\/span><\/code><code><span class=\"code-snippet_outer\">theme(panel.border=element_blank(),panel.grid.major=element_blank(),panel.grid.minor=element_blank(),axis.line= element_line(colour = <span class=\"code-snippet__string\">\"black\"<\/span>))<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8592105263157894\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_1kyjE5u4nsIw3OEfV3P1RAwNS726wA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1nEmbmKxqw4FwB7qhZRDDvrwW1kyjE5u4nsIw3OEfV3P1RAwNS726wA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"760\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u6211\u4eec\u628a\u80cc\u666f\u7f51\u683c\u53bb\u6389\u53d8\u5f97\u66f4\u6e05\u6670\u3002<\/p>\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u63a5\u4e0b\u6765\u6211\u4eec\u6dfb\u52a0<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">\u6211\u4eec\u628a\u80cc\u666f\u7f51\u683c\u53bb\u6389\u53d8\u5f97\u66f4\u6e05\u6670\u3002<\/span><\/code><code><span class=\"code-snippet_outer\">\u63a5\u4e0b\u6765\u6211\u4eec\u6dfb\u52a0<span class=\"code-snippet__comment\"># \u6dfb\u52a0PC1 PC2\u7684\u767e\u5206\u6bd4<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">percentage<-<span class=\"code-snippet__built_in\">round<\/span>(df_pca$sdev \/ <span class=\"code-snippet__built_in\">sum<\/span>(df_pca$sdev) * <span class=\"code-snippet__number\">100<\/span>,<span class=\"code-snippet__number\">2<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">percentage<-paste(colnames(df_pcs),<span class=\"code-snippet__string\">\"(\"<\/span>, paste(<span class=\"code-snippet__built_in\">as.character<\/span>(percentage), <span class=\"code-snippet__string\">\"%\"<\/span>, <span class=\"code-snippet__string\">\")\"<\/span>, sep=<span class=\"code-snippet__string\">\"\"<\/span>))<\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color=Species))+<\/span><\/code><code><span class=\"code-snippet_outer\">geom_point()+<\/span><\/code><code><span class=\"code-snippet_outer\">xlab(percentage[<span class=\"code-snippet__number\">1<\/span>]) +<\/span><\/code><code><span class=\"code-snippet_outer\">ylab(percentage[<span class=\"code-snippet__number\">2<\/span>])<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8633377135348226\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_of6u9vzMskIdQGlkU2KmYqkn7lS6Mw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1X5oYeUAgWtrzWXWUzo6TB63Aof6u9vzMskIdQGlkU2KmYqkn7lS6Mw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"761\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u5f80\u5f80\u6709\u6570\u503c\u7684\u663e\u793a\u624d\u80fd\u5c55\u73b0\u51fa\u56fe\u7247\u7684\u610f\u4e49\uff0c\u6240\u4ee5\u6211\u4eec\u628aPC1\u548cPC2\u7684\u767e\u5206\u6bd4\uff0c<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">\u4e0b\u9762\u6211\u4eec\u6dfb\u52a0<span class=\"code-snippet__comment\"># \u6dfb\u52a0\u7f6e\u4fe1\u692d\u5706<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color = Species))+ geom_point()+stat_ellipse(level = <span class=\"code-snippet__number\">0.95<\/span>, show.legend = <span class=\"code-snippet__built_in\">F<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'setosa'<\/span>, x = -<span class=\"code-snippet__number\">2<\/span>, y = -<span class=\"code-snippet__number\">1.25<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#f8766d'<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'versicolor'<\/span>, x = <span class=\"code-snippet__number\">0<\/span>, y = - <span class=\"code-snippet__number\">0.5<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#00ba38'<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'virginica'<\/span>, x = <span class=\"code-snippet__number\">3<\/span>, y = <span class=\"code-snippet__number\">0.5<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#619cff'<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8597640891218873\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/7_4ibsreF0DTEicw2EjxjGC0JNy1Lgnw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1oxV10VnbYIhxwHtEFz4J9vib51r4ibsreF0DTEicw2EjxjGC0JNy1Lgnw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"763\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u6dfb\u52a0\u7f6e\u4fe1\u533a\u95f4\u8ba9\u5206\u7ec4\u7684\u533a\u522b\u66f4\u660e\u663e\u3002<\/p>\n<p>\u4f46\u662f\u6211\u4eec\u8fd8\u9700\u8981\u8ba1\u7b97\u5404\u4e2a\u53d8\u91cf\u5bf9\u4e8ePCA\u7684\u8d21\u732e\u503c\uff0c<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u67e5\u770b\u5404\u53d8\u91cf\u5bf9\u4e8ePCA\u7684\u8d21\u732e<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df_r <- as.data.frame(df_pca$rotation)<\/span><\/code><code><span class=\"code-snippet_outer\">df_r$feature <- row.names(df_r)<\/span><\/code><code><span class=\"code-snippet_outer\">df_r<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.18454935622317598\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_Ta0fVu73xTVefg4NfoA8gWKxQpibGg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1qT88H0TwXTibL1jSqQ4VoBWoN0Ta0fVu73xTVefg4NfoA8gWKxQpibGg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"699\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u6211\u4eec\u5c06\u8d21\u732e\u503c\u4ee5\u56fe\u7247\u5f62\u5f0f\u5c55\u793a\u51fa\u6765\uff1a<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8d21\u732e\u5ea6\u7ed8\u56fe<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_r,aes(x=PC1,y=PC2,label=feature,color=feature )) + geom_point()+ geom_text(size=<span class=\"code-snippet__number\">3<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8688741721854305\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/9_JfsHIypG2Z7xic5C5HHD9xYl0Yuk3A.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1ykLDl13B7qdSJbFIdlfvm1sRvJfsHIypG2Z7xic5C5HHD9xYl0Yuk3A\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"755\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u6700\u540e\u6211\u4eecPCA\u7ed8\u56fe\u8fdb\u884c\u6c47\u603b\u5c55\u793a\uff0c\u628a\u4e0a\u8ff0\u7684\u7ec6\u8282\u90fd\u653e\u5728\u4e00\u8d77\uff0c\u8fdb\u884c\u7ed8\u5236\uff1a<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#PCA\u7ed8\u56fe\u6c47\u603b\u5c55\u793a<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color=Species )) + geom_point()+xlab(percentage[<span class=\"code-snippet__number\">1<\/span>]) + ylab(percentage[<span class=\"code-snippet__number\">2<\/span>]) + stat_ellipse(level = <span class=\"code-snippet__number\">0.95<\/span>, show.legend = <span class=\"code-snippet__built_in\">F<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'setosa'<\/span>, x = -<span class=\"code-snippet__number\">2<\/span>, y = -<span class=\"code-snippet__number\">1.25<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#f8766d'<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'versicolor'<\/span>, x = <span class=\"code-snippet__number\">0<\/span>, y = - <span class=\"code-snippet__number\">0.5<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#00ba38'<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'virginica'<\/span>, x = <span class=\"code-snippet__number\">3<\/span>, y = <span class=\"code-snippet__number\">0.5<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#619cff'<\/span>) + labs(title=<span class=\"code-snippet__string\">\"Iris PCA Clustering\"<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\">subtitle=<span class=\"code-snippet__string\">\" PC1 and PC2 principal components \"<\/span>, caption=<span class=\"code-snippet__string\">\"Source: Iris\"<\/span>) + theme_classic()<span class=\"code-snippet__comment\">#\u8fd9\u4e9b\u53c2\u6570\u5c0f\u4f19\u4f34\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u9700\u6c42\u53bb\u4fee\u6539<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8578878748370273\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/10_14ZXxK6hviaAhAxQ4PrOc3YLs2ahBA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1sqlSQLuGugp6VOxwzxhFzZwf814ZXxK6hviaAhAxQ4PrOc3YLs2ahBA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"767\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 98%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;border-style: solid;border-width: 2px;border-color: rgb(160, 160, 160);padding: 27px;\">\n<section style=\"text-align: justify;line-height: 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style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.3488888888888889\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/12_uKaqczIP6EMQhkT9sW7c1bKv6z9AAg-6.jpg?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/KDvR2NrGicSYCoxhZfqr5L0fxy3C9eSFdD9CpdQZl2iaySUTmNepgg2BpMuKaqczIP6EMQhkT9sW7c1bKv6z9AAg\/640?wx_fmt=jpeg'\" data-type=\"jpeg\" data-w=\"900\" style=\"\" data-recalc-dims=\"1\" \/><\/p>\n<p powered-by=\"xiumi.us\">\uff08\u70b9\u51fb\u9605\u8bfb\u539f\u6587\u8df3\u8f6c\uff09<\/p>\n<section style=\"text-align: left;margin: 10px 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;min-width: 10%;vertical-align: top;padding-right: 20px;\">\n<section style=\"transform: translate3d(20px, 0px, 0px);margin: 10px 0% -30px;\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(62, 62, 62);text-align: justify;font-size: 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{"id":59528,"date":"2024-06-17T08:27:18","date_gmt":"2024-06-17T00:27:18","guid":{"rendered":"http:\/\/www.biocloudservice.com\/wordpress\/?p=59528"},"modified":"2024-06-17T08:27:18","modified_gmt":"2024-06-17T00:27:18","slug":"%e4%bb%8e0%e5%bc%80%e5%a7%8b%e5%b0%8f%e8%8a%b1%e6%95%99%e4%bd%a0%e5%88%a9%e7%94%a8ggplot2%e7%bb%98%e5%88%b6pca%e5%9b%be%ef%bc%81%ef%bc%81%ef%bc%81","status":"publish","type":"post","link":"http:\/\/www.biocloudservice.com\/wordpress\/?p=59528","title":{"rendered":"\u4ece0\u5f00\u59cb\u5c0f\u82b1\u6559\u4f60\u5229\u7528ggplot2\u7ed8\u5236PCA\u56fe\uff01\uff01\uff01"},"content":{"rendered":"

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10px;text-align: center;\">\n<section style=\"width: 100%;height: 5px;background-color: rgb(255, 255, 255);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u5c0f\u4f19\u4f34\u5728\u6574\u7406\u6570\u636e\u65f6\u5019\uff0c\u7531\u4e8e\u5206\u7ec4\u8f83\u591a\uff0c\u4e0d\u77e5\u9053\u600e\u4e48\u6837\u53bb\u8bf4\u660e\u5206\u7ec4\u7684\u5dee\u5f02\uff0c\u8fd9\u4e2a\u65f6\u5019\u5c31\u4f1a\u7528\u5230\u4e3b\u6210\u5206\u5206\u6790(PCA).<\/p>\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u5c0f\u82b1\u5148\u5e26\u5927\u5bb6\u4e86\u89e3\u4e00\u4e0bPCA\uff0c\u5176\u5b9ePCA\u662f\u6700\u5e38\u89c1\u7684\u591a\u5143\u6570\u636e\u5206\u6790\u7c7b\u578b\u4e4b\u4e00\u3002\u5f53\u57fa\u56e0\u8868\u8fbe\u5b9a\u91cf\u540e\u83b7\u5f97\u4e86\u5404\u6837\u672c\u4e2d\u6240\u6709\u57fa\u56e0\u7684\u8868\u8fbe\u503c\u4fe1\u606f\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u671f\u671b\u6bd4\u8f83\u6837\u672c\u4e4b\u95f4\u5728\u57fa\u56e0\u8868\u8fbe\u503c\u7684\u6574\u4f53\u76f8\u4f3c\u6027\u6216\u8005\u5dee\u5f02\u7a0b\u5ea6\u3002\u57fa\u56e0\u6570\u91cf\u6210\u5343\u4e0a\u4e07\uff0c\u80af\u5b9a\u4e0d\u80fd\u5bf9\u6bcf\u4e2a\u57fa\u56e0\u7684\u8868\u8fbe\u90fd\u4f5c\u4e2a\u6bd4\u8f83\uff0c\u8fd9\u65f6\u5019\u5c31\u8981\u7528\u5230\u201c\u964d\u7ef4\u201d\u7b97\u6cd5\uff0cPCA\u5206\u6790\u56e0\u6b64\u6d3e\u4e0a\u7528\u573a\u3002PCA\u8bbe\u6cd5\u5c06N\u7ef4\uff08N=\u57fa\u56e0\u6570\u91cf\uff09\u7684\u8868\u8fbe\u77e9\u9635\u964d\u7ef4\u6210\u53ea\u6709\u5c11\u6570\u51e0\u4e2a\u4e3b\u6210\u5206\u7684\u5f62\u5f0f\uff0c\u8fd9\u51e0\u4e2a\u4e3b\u6210\u5206\u5c31\u53ef\u4ee5\u4ee3\u8868\u6240\u6709\u57fa\u56e0\u7684\u6574\u4f53\u8868\u8fbe\u683c\u5c40\uff0c\u8fdb\u800c\u636e\u6b64\u63cf\u8ff0\u6837\u672c\u5dee\u5f02\u3002<\/p>\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u5c0f\u82b1\u8fd9\u91cc\u5229\u7528\u7684R\u8bed\u8a00\u4e2dggolot2\u5305\uff0c\u5e26\u5c0f\u4f19\u4f34\u7ed8\u5236\u53ef\u53d1\u8868\u7ea7\u522b\u7684\u4e3b\u6210\u5206\u5206\u6790\u56fe\u3002<\/p>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">\u6211\u4eec\u5148\u8f7d\u5165\u6570\u636e\u96c6\u548cR\u5305<\/span><\/code><code><span class=\"code-snippet_outer\">library(ggplot2)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u5c0f\u82b1\u8fd9\u91cc\u4f7f\u7528\u7ecf\u5178iris\u6570\u636e\u96c6<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df <- iris[<span class=\"code-snippet__built_in\">c<\/span>(<span class=\"code-snippet__number\">1<\/span>, <span class=\"code-snippet__number\">2<\/span>, <span class=\"code-snippet__number\">3<\/span>, <span class=\"code-snippet__number\">4<\/span>)]<\/span><\/code><code><span class=\"code-snippet_outer\">head(df)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.38966202783300197\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_am2ibue7JImwOJyJ7FiaibYicQQd0Q.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1vJ20d379fXRtEwZMyDKyBRFvriaU8iam2ibue7JImwOJyJ7FiaibYicQQd0Q\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"503\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u6839\u636e\u8fd9\u79cd\u6570\u636e\u96c6\u5f62\u5f0f\uff0c\u81ea\u884c\u51c6\u5907\u3002<\/p>\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u63a5\u4e0b\u6765\u8fdb\u884c\u4e3b\u6210\u5206\u5206\u6790<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">df_pca <- prcomp(df) <span class=\"code-snippet__comment\">#\u5229\u7528prcomp\u51fd\u6570\u8ba1\u7b97\u4e3b\u6210\u5206<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df_pcs <-data.frame(df_pca$x, Species = iris$Species)<\/span><\/code><code><span class=\"code-snippet_outer\">head(df_pcs,<span class=\"code-snippet__number\">3<\/span>) <span class=\"code-snippet__comment\">#\u67e5\u770b\u4e3b\u6210\u5206\u7ed3\u679c<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.19318181818181818\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_PI3dBtibJ16pWesAq9VzhA4eqsxnZA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1UJmcnwJLFtibOovXbmRRdbrIxnPI3dBtibJ16pWesAq9VzhA4eqsxnZA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"528\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u6211\u4eec\u5148\u4f7f\u7528\u57fa\u7840\u7684\u51fd\u6570\u53bb\u7ed8\u5236PCA\u56fe\uff1a<\/p>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8484848484848485\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_nWicm01u1RPtHZHMF3YRHQXm3pX72Q.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1DTV4AwqibxT8xgLjPIF3PVx2aOnWicm01u1RPtHZHMF3YRHQXm3pX72Q\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"759\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u8fd9\u6837\u7ed3\u679c\u5c31\u5c55\u793a\u51fa\u6765\u4e86\uff0c\u4f46\u662f\u56fe\u7247\u6ca1\u6709\u989c\u8272\u7b49\u5176\u5b83\u7684\u53ef\u4ee5\u533a\u5206\u5dee\u5f02\u7684\u7279\u70b9\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u4f7f\u7528ggplot2\u53bb\u7f8e\u5316PCA\u56fe\u3002<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u4f7f\u7528ggplot2 \u7ed8\u5236PCA\u56fe<\/span><\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#Species\u5206\u989c\u8272<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color=Species))+ geom_point()<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8671978751660027\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_ECyBL8TiapChHxwwbXbGN7Ghezt8ng.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1iaRiaGia0icMPZGNS8aRtibg8VibVcUECyBL8TiapChHxwwbXbGN7Ghezt8ng\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"753\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u8fd9\u6837PCA\u56fe\u5c31\u7ed8\u5236\u51fa\u6765\u4e86\uff0c\u5c0f\u4f19\u4f34\u53d1\u73b0\uff0c\u6a2a\u5750\u6807PC1\u4ee5\u53ca\u7eb5\u5750\u6807PC2\uff0c\u989c\u8272\u90fd\u6709\u53d8\u5316\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u6e05\u6670\u7684\u770b\u51fa\u4e09\u7ec4\u6570\u636e\u6709\u65e0\u660e\u663e\u5dee\u5f02\u3002\u63a5\u4e0b\u91cc\u6211\u4eec\u7ee7\u7eed\u8c03\u6574\u4e00\u4e0b\u7ec6\u8282\u3002<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u53bb\u6389\u80cc\u666f\u53ca\u7f51\u683c\u7ebf<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color=Species))+<\/span><\/code><code><span class=\"code-snippet_outer\">geom_point()+<\/span><\/code><code><span class=\"code-snippet_outer\">theme_bw() +<\/span><\/code><code><span class=\"code-snippet_outer\">theme(panel.border=element_blank(),panel.grid.major=element_blank(),panel.grid.minor=element_blank(),axis.line= element_line(colour = <span class=\"code-snippet__string\">\"black\"<\/span>))<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8592105263157894\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_1kyjE5u4nsIw3OEfV3P1RAwNS726wA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1nEmbmKxqw4FwB7qhZRDDvrwW1kyjE5u4nsIw3OEfV3P1RAwNS726wA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"760\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u6211\u4eec\u628a\u80cc\u666f\u7f51\u683c\u53bb\u6389\u53d8\u5f97\u66f4\u6e05\u6670\u3002<\/p>\n<p style=\"text-indent: 0em;text-wrap: wrap;\">\u63a5\u4e0b\u6765\u6211\u4eec\u6dfb\u52a0<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">\u6211\u4eec\u628a\u80cc\u666f\u7f51\u683c\u53bb\u6389\u53d8\u5f97\u66f4\u6e05\u6670\u3002<\/span><\/code><code><span class=\"code-snippet_outer\">\u63a5\u4e0b\u6765\u6211\u4eec\u6dfb\u52a0<span class=\"code-snippet__comment\"># \u6dfb\u52a0PC1 PC2\u7684\u767e\u5206\u6bd4<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">percentage<-<span class=\"code-snippet__built_in\">round<\/span>(df_pca$sdev \/ <span class=\"code-snippet__built_in\">sum<\/span>(df_pca$sdev) * <span class=\"code-snippet__number\">100<\/span>,<span class=\"code-snippet__number\">2<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">percentage<-paste(colnames(df_pcs),<span class=\"code-snippet__string\">\"(\"<\/span>, paste(<span class=\"code-snippet__built_in\">as.character<\/span>(percentage), <span class=\"code-snippet__string\">\"%\"<\/span>, <span class=\"code-snippet__string\">\")\"<\/span>, sep=<span class=\"code-snippet__string\">\"\"<\/span>))<\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color=Species))+<\/span><\/code><code><span class=\"code-snippet_outer\">geom_point()+<\/span><\/code><code><span class=\"code-snippet_outer\">xlab(percentage[<span class=\"code-snippet__number\">1<\/span>]) +<\/span><\/code><code><span class=\"code-snippet_outer\">ylab(percentage[<span class=\"code-snippet__number\">2<\/span>])<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8633377135348226\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_of6u9vzMskIdQGlkU2KmYqkn7lS6Mw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1X5oYeUAgWtrzWXWUzo6TB63Aof6u9vzMskIdQGlkU2KmYqkn7lS6Mw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"761\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u5f80\u5f80\u6709\u6570\u503c\u7684\u663e\u793a\u624d\u80fd\u5c55\u73b0\u51fa\u56fe\u7247\u7684\u610f\u4e49\uff0c\u6240\u4ee5\u6211\u4eec\u628aPC1\u548cPC2\u7684\u767e\u5206\u6bd4\uff0c<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">\u4e0b\u9762\u6211\u4eec\u6dfb\u52a0<span class=\"code-snippet__comment\"># \u6dfb\u52a0\u7f6e\u4fe1\u692d\u5706<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color = Species))+ geom_point()+stat_ellipse(level = <span class=\"code-snippet__number\">0.95<\/span>, show.legend = <span class=\"code-snippet__built_in\">F<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'setosa'<\/span>, x = -<span class=\"code-snippet__number\">2<\/span>, y = -<span class=\"code-snippet__number\">1.25<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#f8766d'<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'versicolor'<\/span>, x = <span class=\"code-snippet__number\">0<\/span>, y = - <span class=\"code-snippet__number\">0.5<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#00ba38'<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'virginica'<\/span>, x = <span class=\"code-snippet__number\">3<\/span>, y = <span class=\"code-snippet__number\">0.5<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#619cff'<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8597640891218873\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/7_4ibsreF0DTEicw2EjxjGC0JNy1Lgnw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1oxV10VnbYIhxwHtEFz4J9vib51r4ibsreF0DTEicw2EjxjGC0JNy1Lgnw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"763\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u6dfb\u52a0\u7f6e\u4fe1\u533a\u95f4\u8ba9\u5206\u7ec4\u7684\u533a\u522b\u66f4\u660e\u663e\u3002<\/p>\n<p>\u4f46\u662f\u6211\u4eec\u8fd8\u9700\u8981\u8ba1\u7b97\u5404\u4e2a\u53d8\u91cf\u5bf9\u4e8ePCA\u7684\u8d21\u732e\u503c\uff0c<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u67e5\u770b\u5404\u53d8\u91cf\u5bf9\u4e8ePCA\u7684\u8d21\u732e<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df_r <- as.data.frame(df_pca$rotation)<\/span><\/code><code><span class=\"code-snippet_outer\">df_r$feature <- row.names(df_r)<\/span><\/code><code><span class=\"code-snippet_outer\">df_r<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.18454935622317598\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_Ta0fVu73xTVefg4NfoA8gWKxQpibGg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1qT88H0TwXTibL1jSqQ4VoBWoN0Ta0fVu73xTVefg4NfoA8gWKxQpibGg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"699\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u6211\u4eec\u5c06\u8d21\u732e\u503c\u4ee5\u56fe\u7247\u5f62\u5f0f\u5c55\u793a\u51fa\u6765\uff1a<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8d21\u732e\u5ea6\u7ed8\u56fe<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_r,aes(x=PC1,y=PC2,label=feature,color=feature )) + geom_point()+ geom_text(size=<span class=\"code-snippet__number\">3<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8688741721854305\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/9_JfsHIypG2Z7xic5C5HHD9xYl0Yuk3A.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1ykLDl13B7qdSJbFIdlfvm1sRvJfsHIypG2Z7xic5C5HHD9xYl0Yuk3A\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"755\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"padding-right: 12px;padding-left: 12px;\" powered-by=\"xiumi.us\">\n<p>\u6700\u540e\u6211\u4eecPCA\u7ed8\u56fe\u8fdb\u884c\u6c47\u603b\u5c55\u793a\uff0c\u628a\u4e0a\u8ff0\u7684\u7ec6\u8282\u90fd\u653e\u5728\u4e00\u8d77\uff0c\u8fdb\u884c\u7ed8\u5236\uff1a<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#PCA\u7ed8\u56fe\u6c47\u603b\u5c55\u793a<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df_pcs,aes(x=PC1,y=PC2,color=Species )) + geom_point()+xlab(percentage[<span class=\"code-snippet__number\">1<\/span>]) + ylab(percentage[<span class=\"code-snippet__number\">2<\/span>]) + stat_ellipse(level = <span class=\"code-snippet__number\">0.95<\/span>, show.legend = <span class=\"code-snippet__built_in\">F<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'setosa'<\/span>, x = -<span class=\"code-snippet__number\">2<\/span>, y = -<span class=\"code-snippet__number\">1.25<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#f8766d'<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'versicolor'<\/span>, x = <span class=\"code-snippet__number\">0<\/span>, y = - <span class=\"code-snippet__number\">0.5<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#00ba38'<\/span>) +<\/span><\/code><code><span class=\"code-snippet_outer\">annotate(<span class=\"code-snippet__string\">'text'<\/span>, label = <span class=\"code-snippet__string\">'virginica'<\/span>, x = <span class=\"code-snippet__number\">3<\/span>, y = <span class=\"code-snippet__number\">0.5<\/span>, size = <span class=\"code-snippet__number\">5<\/span>, colour = <span class=\"code-snippet__string\">'#619cff'<\/span>) + labs(title=<span class=\"code-snippet__string\">\"Iris PCA Clustering\"<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\">subtitle=<span class=\"code-snippet__string\">\" PC1 and PC2 principal components \"<\/span>, caption=<span class=\"code-snippet__string\">\"Source: Iris\"<\/span>) + theme_classic()<span class=\"code-snippet__comment\">#\u8fd9\u4e9b\u53c2\u6570\u5c0f\u4f19\u4f34\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u9700\u6c42\u53bb\u4fee\u6539<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.8578878748370273\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/10_14ZXxK6hviaAhAxQ4PrOc3YLs2ahBA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/KDvR2NrGicSbiaCE4Bm8ZibQgoDAUrqZdd1sqlSQLuGugp6VOxwzxhFzZwf814ZXxK6hviaAhAxQ4PrOc3YLs2ahBA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"767\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 98%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;border-style: solid;border-width: 2px;border-color: rgb(160, 160, 160);padding: 27px;\">\n<section style=\"text-align: justify;line-height: 1.6;letter-spacing: 0px;padding-right: 6px;padding-left: 6px;\" powered-by=\"xiumi.us\">\n<p><span style=\"letter-spacing: 0px;\">\u8fd9\u6837\u5c31\u5927\u529f\u544a\u6210\u4e86\uff0c\u6709\u6ca1\u6709\u5fc3\u52a8\u5462\uff0c\u5c0f\u4f19\u4f34\u63a5\u4e0b\u6765\u5c31\u53ef\u4ee5\u4e86\u66f4\u6539\u6570\u636e\u96c6\u52a8\u624b\u7ed8\u5236PCA\u4e86\u3002\u5c0f\u82b1\u63d0\u9192\u5c0f\u4f19\u4f34\u4e00\u4e0b\uff0c\u8981\u591a\u591a\u7406\u89e3\u4ee3\u7801\u7684\u542b\u4e49\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u559c\u597d\u66f4\u6539\u53c2\u6570\u7ed8\u5236\u597d\u770b\u7684\u56fe\u7247\u3002<\/span><br \/><\/p>\n<p><br \/><\/p>\n<p>\u6b22\u8fce\u4f7f\u7528\uff1a\u4e91\u751f\u4fe1 – \u5b66\u751f\u7269\u4fe1\u606f\u5b66 (biocloudservice.com)<\/p>\n<p><br \/><\/p>\n<p>\u5982\u679c\u60f3\u7528\u670d\u52a1\u5668\u53ef\u4ee5\u8054\u7cfb\u5fae\u4fe1\uff1a18502195490\uff08\u5feb\u6765\u8054\u7cfb\u6211\u4eec\u4f7f\u7528\u5427\uff01\uff09<\/p>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;display: flex;flex-flow: row;transform: translate3d(40px, 0px, 0px);margin-bottom: -40px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;align-self: flex-start;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"transform: rotateZ(45deg);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;\">\n<section style=\"display: inline-block;width: 26px;height: 26px;vertical-align: top;overflow: hidden;background-color: rgb(255, 255, 255);border-left: 1px solid rgb(160, 160, 160);border-bottom-left-radius: 0px;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><a target=\"_blank\" 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