{"id":8400,"date":"2026-05-12T14:57:00","date_gmt":"2026-05-12T05:57:00","guid":{"rendered":"https:\/\/since2020.jp\/media\/?p=8400"},"modified":"2026-05-12T14:57:00","modified_gmt":"2026-05-12T05:57:00","slug":"dataiku-pca","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/dataiku-pca\/","title":{"rendered":"Dataiku\u3067PCA\uff08\u4e3b\u6210\u5206\u5206\u6790\uff09\u3092\u3084\u3063\u3066\u307f\u305f"},"content":{"rendered":"\n

Dataiku\u3067PCA\uff08\u4e3b\u6210\u5206\u5206\u6790\uff09\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u305f\uff01Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u305f\u624b\u9806\u3092\u753b\u50cf\u4ed8\u304d\u3067\u89e3\u8aac\u3057\u307e\u3059\uff01Dataiku\u3067PCA\u3092\u8a66\u3059\u304b\u305f\u306e\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n

\u306f\u3058\u3081\u306b<\/strong><\/h3>\n\n\n\n

\u4e3b\u6210\u5206\u5206\u6790(PCA)\u3068\u306f<\/strong><\/p>\n\n\n\n

\u4e3b\u6210\u5206\u5206\u6790(PCA)\u3068\u306f\u3001\u591a\u6b21\u5143\u306e\u30c7\u30fc\u30bf\u3092\u3088\u308a\u5c11\u306a\u3044\u6b21\u5143\u306b\u5727\u7e2e\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306e\u60c5\u5831\u3092\u3067\u304d\u308b\u3060\u3051\u4fdd\u3061\u306a\u304c\u3089\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u3092\u30b7\u30f3\u30d7\u30eb\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\u4eca\u56de\u4f7f\u3046Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f4\u3064\u306e\u7279\u5fb4\u91cf(sepal_length\u30fbsepal_width\u30fbpetal_length\u30fbpetal_width)\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u30024\u6b21\u5143\u306e\u30c7\u30fc\u30bf\u306f\u4eba\u9593\u306e\u76ee\u3067\u306f\u8996\u899a\u5316\u3067\u304d\u307e\u305b\u3093\u304c\u3001PCA\u3092\u4f7f\u3046\u3053\u3068\u30672\u6b21\u5143\u306e\u6563\u5e03\u56f3\u3068\u3057\u3066\u8868\u73fe\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

PCA\u304c\u4f7f\u308f\u308c\u308b\u5834\u9762<\/strong><\/p>\n\n\n\n

\u53ef\u8996\u5316<\/strong>\uff1a\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u30922\u301c\uff13\u6b21\u5143\u306b\u843d\u3068\u3057\u3066\u76ee\u3067\u78ba\u8a8d\u3057\u305f\u3044\u3068\u304d<\/p>\n\n\n\n

\u524d\u51e6\u7406<\/strong>\uff1a\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306b\u5165\u529b\u3059\u308b\u524d\u306b\u7279\u5fb4\u91cf\u3092\u6e1b\u3089\u3057\u305f\u3044\u6642<\/p>\n\n\n\n

\u30ce\u30a4\u30ba\u9664\u53bb<\/strong>\uff1a\u91cd\u8981\u5ea6\u306e\u4f4e\u3044\u7279\u5fb4\u91cf\u3092\u53d6\u308a\u9664\u304d\u305f\u3044\u3068\u304d<\/p>\n\n\n\n

\u2192\u4eca\u56de\u306f\u53ef\u8996\u5316\u3092\u76ee\u7684\u3068\u3057\u3066PCA\u3092\u884c\u3044\u307e\u3059<\/strong><\/p>\n\n\n\n

\u306a\u305cDataiku\u3067\u884c\u3046\u306e\u304b<\/strong><\/p>\n\n\n\n

Dataiku\u306f\u30ce\u30fc\u30b3\u30fc\u30c9\u3067PCA\u3092\u5b9f\u884c\u3067\u304d\u308b\u305f\u3081\u3001Python\u3092\u66f8\u304b\u306a\u304f\u3066\u3082\u3059\u3050\u306b\u8a66\u305b\u307e\u3059\u3002<\/p>\n\n\n\n

<\/strong>\u74b0\u5883\u8a2d\u5b9a<\/strong><\/h3>\n\n\n\n

\u30c4\u30fc\u30eb:Dataiku DSS<\/p>\n\n\n\n

\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8:Iris Dataset<\/p>\n\n\n\n

\u30c7\u30fc\u30bf\u6982\u8981<\/strong><\/p>\n\n\n\n

Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f\u30a2\u30e4\u30e1\u306e\u82b1\u306e\u30c7\u30fc\u30bf\u3067\u3001\u4ee5\u4e0b\u306e\uff14\u3064\u306e\u7279\u5fb4\u91cf\u3068\u54c1\u7a2e\u30e9\u30d9\u30eb\u304b\u3089\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/strong>\u5b9f\u88c5\u624b\u9806<\/strong><\/h3>\n\n\n\n

\u624b\u98061:Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u53d6\u308a\u8fbc\u3080<\/strong><\/p>\n\n\n\n

\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u958b\u304d\u3001\u4e0a\u90e8\u30e1\u30cb\u30e5\u30fc\u306e\u300c\u7d71\u8a08\u300d\u30bf\u30d6\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u624b\u98062:\u300c+ NEW CARD\u300d\u304b\u3089PCA\u3092\u9078\u629e<\/strong><\/p>\n\n\n\n

\u53f3\u4e0a\u306e\u300c+ NEW CARD<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u5206\u6790\u306e\u7a2e\u985e\u3092\u9078\u3076\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\u3053\u3053\u3067\u300cMultivariate analysis<\/strong>\u300d\u3092\u9078\u629e\u3057\u307e\u3059<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u7d9a\u3044\u3066Principal Component Analysis(PCA)\u3092\u9078\u629e\u3057\u3001\u300cCREATE CARD\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u624b\u98063:\u5909\u6570\u3092\u9078\u629e \u5de6\u5074\u306e\u5909\u6570\u30ea\u30b9\u30c8\u304b\u3089<\/p>\n\n\n\n

sepal_length\u30fbsepal_width\u30fbpetal_length\u30fbpetal_width\u306e4\u3064\u3092\u771f\u3093\u4e2d\u306b\u30c9\u30e9\u30c3\u30b0\u3057\u307e\u3059\u3002(species\u306f\u54c1\u7a2e\u30e9\u30d9\u30eb\u306a\u306e\u3067\u9664\u5916\u3057\u307e\u3059\u3002)<\/p>\n\n\n\n

\u53f3\u5074\u306eOptions\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\uff08Scree plot\u30fbScatter plot\u30fbLoading plot\u30fbPrincipal components\u306b\u30c1\u30a7\u30c3\u30af\uff09\u3067CREATE CARD\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/strong>\u7d50\u679c<\/strong><\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Scree plot<\/strong><\/p>\n\n\n\n

PC1\u3060\u3051\u3067\u7d0473%\u306e\u5206\u6563\u3092\u8aac\u660e\u3057\u3066\u304a\u308a\u3001PC1\u3068PC2\u306e2\u3064\u3067\u7d0496%\u3092\u30ab\u30d0\u30fc\u3067\u304d\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a4\u6b21\u5143\u306e\u30c7\u30fc\u30bf\u30922\u6b21\u5143\u306b\u524a\u6e1b\u3057\u3066\u3082\u3001\u307b\u307c\u60c5\u5831\u304c\u5931\u308f\u308c\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

Scatter plot<\/strong><\/p>\n\n\n\n

PC1\u3068PC2\u306e2\u8ef8\u3067\u30c7\u30fc\u30bf\u3092\u6563\u5e03\u56f3\u306b\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u30c7\u30fc\u30bf\u306e\u304b\u305f\u307e\u308a\u304c\u8996\u899a\u7684\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

Loading plot<\/strong><\/p>\n\n\n\n

petal_length\u3068petal_width\u304cPC1\u306b\u5f37\u304f\u5f71\u97ff\u3057\u3066\u304a\u308a\u3001sepal_width\u306fPC2\u306b\u5f37\u304f\u5f71\u97ff\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u82b1\u3073\u3089\u306e\u30b5\u30a4\u30ba\u304c\u30a2\u30e4\u30e1\u306e\u54c1\u7a2e\u3092\u5206\u985e\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u7279\u5fb4\u91cf\u3067\u3042\u308b\u3053\u3068\u304c\u793a\u5506\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

Principal components<\/strong><\/p>\n\n\n\n

\u5404\u4e3b\u6210\u5206\u306b\u5bfe\u3059\u308b\u5404\u5909\u6570\u306e\u5bc4\u4e0e\u5ea6\u304c\u6570\u5024\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002PC1\u306b\u306fpetal_length\uff080.581\uff09\u3068petal_width\uff080.566\uff09\u304c\u5f37\u304f\u5bc4\u4e0e\u3057\u3066\u304a\u308a\u3001PC2\u306b\u306fsepal_width\uff080.926\uff09\u304c\u7279\u306b\u5f37\u304f\u5bc4\u4e0e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

<\/strong>\u307e\u3068\u3081<\/strong><\/h3>\n\n\n\n

\u4eca\u56de\u306fDataiku\u306e\u7d71\u8a08\u30bf\u30d6\u3092\u4f7f\u3063\u3066Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067PCA\u3092\u5b9f\u884c\u3057\u307e\u3057\u305f\u3002 PC1\u3068PC2\u306e\uff12\u3064\u3060\u3051\u3067\u5168\u4f53\u306e\u7d04\uff19\uff16\uff05\u306e\u60c5\u5831\u3092\u8aac\u660e\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u3001\uff14\u6b21\u5143\u306e\u30c7\u30fc\u30bf\u3092\uff12\u6b21\u5143\u306b\u524a\u6e1b\u3057\u3066\u3082\u60c5\u5831\u304c\u307b\u307c\u5931\u308f\u308c\u306a\u3044\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002 \u307e\u305f\u3001Dataiku\u306e\u7d71\u8a08\u30bf\u30d6\u3067\u306ePCA\u306f\u53ef\u8996\u5316\u306e\u307f\u3067\u3042\u308a\u3001\u5b9f\u969b\u306b\u6b21\u5143\u3092\u843d\u3068\u3057\u305f\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3059\u308b\u306b\u306fPython\u30ec\u30b7\u30d4\u306a\u3069\u3067\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"

Dataiku\u3067PCA\uff08\u4e3b\u6210\u5206\u5206\u6790\uff09\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u305f\uff01Iris\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u4f7f\u3063\u305f\u624b\u9806\u3092\u753b\u50cf\u4ed8\u304d\u3067\u89e3\u8aac\u3057\u307e\u3059\uff01Dataiku\u3067PCA\u3092\u8a66\u3059\u304b\u305f\u306e\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002 \u306f\u3058\u3081\u306b \u4e3b\u6210\u5206\u5206\u6790(PCA)\u3068\u306f \u4e3b\u6210\u5206\u5206\u6790(PC […]<\/p>\n","protected":false},"author":1,"featured_media":8381,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","swell_btn_cv_data":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[1251],"tags":[441,1274,39],"class_list":["post-8400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-analysis","tag-dataiku-dss","tag-pca","tag-39"],"_links":{"self":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/8400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/comments?post=8400"}],"version-history":[{"count":1,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/8400\/revisions"}],"predecessor-version":[{"id":8401,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/8400\/revisions\/8401"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media\/8381"}],"wp:attachment":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media?parent=8400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/categories?post=8400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/tags?post=8400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}