{"id":2564,"date":"2013-02-08T10:34:50","date_gmt":"2013-02-08T01:34:50","guid":{"rendered":"https:\/\/gunmagisgeek.com\/wordpress\/?p=2564"},"modified":"2013-12-30T01:37:54","modified_gmt":"2013-12-29T16:37:54","slug":"post-2564","status":"publish","type":"post","link":"https:\/\/gunmagisgeek.com\/blog\/sql\/2564","title":{"rendered":"[SQL]SELECT\u6587\u3067\u884c(\u30ec\u30b3\u30fc\u30c9)\u540c\u58eb\u306e\u76f8\u95a2\u4fc2\u6570\u3092\u53d6\u5f97\u3059\u308b"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000000.jpg\" alt=\"pear000000\" width=\"435\" height=\"164\" class=\"aligncenter size-full wp-image-2565\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000000.jpg 435w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000000-300x113.jpg 300w\" sizes=\"auto, (max-width: 435px) 100vw, 435px\" \/><\/p>\n<p>\u4f8b\u3048\u3070\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u304c\u3042\u3063\u305f\u3068\u3057\u3066\u3001\u5217\u540c\u58eb\u306e\u76f8\u95a2\u4fc2\u6570\u306fcorr\u95a2\u6570\u3092\u4f7f\u3046\u4e8b\u3067\u7c21\u5358\u306b\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000001.jpg\" alt=\"pear000001\" width=\"434\" height=\"166\" class=\"aligncenter size-full wp-image-2566\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000001.jpg 434w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000001-300x115.jpg 300w\" sizes=\"auto, (max-width: 434px) 100vw, 434px\" \/><\/p>\n<pre class=\"lang:pgsql decode:true \" title=\"a\u5217\u3068c\u5217\u306e\u76f8\u95a2\u4fc2\u6570\u3092\u6c42\u3081\u308b\" >select corr(a, c) from example_tb\r\n<\/pre>\n<p>\u3057\u304b\u3057\u3001\u6642\u3068\u3057\u3066\u884c\u540c\u58eb\u306e\u76f8\u95a2\u4fc2\u6570\u3092\u53d6\u5f97\u3057\u305f\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/gunmagisgeek.com\/blog\/other\/2564\/attachment\/pear000002\" rel=\"attachment wp-att-2567\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000002.jpg\" alt=\"pear000002\" width=\"435\" height=\"172\" class=\"aligncenter size-full wp-image-2567\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000002.jpg 435w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000002-300x119.jpg 300w\" sizes=\"auto, (max-width: 435px) 100vw, 435px\" \/><\/a><br \/>\n\u4e0a\u8a18\u306e\u30c7\u30fc\u30bf\u3060\u3068\u3001id:1\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u3057\u3066id:3\u306e\u30ec\u30b3\u30fc\u30c9\u3068\u306e\u76f8\u95a2\u4fc2\u6570\u304c\u6b32\u3057\u3044\u306e\u3067\u3059\u304c\u2026\u2026\u6c42\u3081\u65b9\u304c\u308f\u304b\u308a\u307e\u305b\u3093 orz<br \/>\n\u4ed5\u65b9\u304c\u306a\u3044\u306e\u3067\u3001SELECT\u6587\u306e\u4e2d\u3067\u30d4\u30a2\u30bd\u30f3\u306e\u7a4d\u7387\u76f8\u95a2\u4fc2\u6570\u8a08\u7b97\u3092\u884c\u3063\u3066\u3001\u76f8\u95a2\u4fc2\u6570\u3092\u6c42\u3081\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002\uff08\u3082\u3063\u3068\u7c21\u5358\u306b\u53d6\u5f97\u3067\u304d\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3057\u305f\u3089\u6559\u3048\u3066\u304f\u3060\u3055\u3044\uff09<\/p>\n<p>id:1\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u4ed6\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u30d4\u30a2\u30bd\u30f3\u76f8\u95a2\u4fc2\u6570\u3092\u53d6\u5f97\u3059\u308bSELECT\u6587\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\u3002(\u5bfe\u8c61\u3068\u3059\u308b\u306e\u306f\u3001a,b,c,d,e \u306e5\u9805\u76ee\u3068\u3057\u307e\u3059)<\/p>\n<pre class=\"lang:pgsql decode:true \" title=\"id:1\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u5bfe\u3057\u3066\u3001\u4ed6\u306e\u30ec\u30b3\u30fc\u30c9\u3068\u306e\u76f8\u95a2\u4fc2\u6570\u3092\u53d6\u5f97\u3059\u308b\">SELECT\r\nx.id, x.a, x.b, x.c, x.d, x.e,\r\n(\r\n    (\r\n        (x.a*y.a)+(x.b*y.b)+(x.c*y.c)+(x.d*y.d)+(x.e*y.e) \r\n    )\r\n    -\r\n    (\r\n        (x.a+x.b+x.c+x.d+x.e)*(y.a+y.b+y.c+y.d+y.e)\/5\r\n    )\r\n)\r\n\/\r\nNULLIF(\r\n\t(\r\n\t    sqrt(\r\n\t            (\r\n\t                (pow(x.a,2)+pow(x.b,2)+pow(x.c,2)+pow(x.d,2)+pow(x.e,2)) \r\n\t                - \r\n\t                (x.a+x.b+x.c+x.d+x.e)*(x.a+x.b+x.c+x.d+x.e)\/5\r\n\t            )\r\n\t            *\r\n\t            (\r\n\t                (pow(y.a,2)+pow(y.b,2)+pow(y.c,2)+pow(y.d,2)+pow(y.e,2)) \r\n\t                - \r\n\t                (y.a+y.b+y.c+y.d+y.e)*(y.a+y.b+y.c+y.d+y.e)\/5 \r\n\t            )\r\n\t        )\r\n\t \r\n\t)\r\n,0)\r\nas pearson\r\nfrom \r\nexample_tb x,\r\nexample_tb y\r\nwhere y.id = 1 \r\norder by pearson DESC<\/pre>\n<p>\u4e0a\u8a18\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u305f\u7d50\u679c\u304c\u4ee5\u4e0b\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000003.jpg\" alt=\"pear000003\" width=\"284\" height=\"170\" class=\"aligncenter size-full wp-image-2568\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000003.jpg 284w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000003-251x150.jpg 251w\" sizes=\"auto, (max-width: 284px) 100vw, 284px\" \/><\/p>\n<p>\u6b63\u306e\u76f8\u95a2\u95a2\u4fc2\u306b\u3042\u305f\u308b\u3001\u81ea\u5206\u81ea\u8eab\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u306f\u300c\uff11\u300d\u304c\u3001\u8ca0\u306e\u76f8\u95a2\u95a2\u4fc2\u306b\u3042\u305f\u308bid:2\u306e\u30ec\u30b3\u30fc\u30c9\u306b\u5927\u3057\u3066\u306f\u300c-1\u300d\u304c\u3061\u3083\u3093\u3068\u8fd4\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u540c\u3058\u30ab\u30e9\u30e0\u306b\u5165\u3063\u3066\u3044\u308b\u5024\u304c\u8fd1\u3044\u307b\u3069\u30011\u306b\u8fd1\u3044\u5024\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<p>\uff15\u9805\u76ee\u5168\u3066\u540c\u3058\u5024\u306e\u30ec\u30b3\u30fc\u30c9\u306f\u76f8\u95a2\u3092\u8a08\u308b\u3053\u3068\u304c\u3067\u304d\u305aNULL\u304c\u8fd4\u308a\u307e\u3059\u3002<br \/>\npostgreSQL\u306ecorr\u95a2\u6570\u306e\u4ed5\u69d8\u306b\u3042\u308f\u305b\u307e\u3057\u305f\u3002<br \/>\n\u3042\u3068\u3001\uff15\u9805\u76ee\u306e\u4e2d\u306bNULL\u304c\u542b\u307e\u308c\u3066\u3044\u3066\u3082\u4e0a\u8a18\u306e\u5f0f\u3067\u306f\u76f8\u95a2\u4fc2\u6570\u3092\u8a08\u7b97\u3067\u304d\u306a\u3044\u306e\u3067NULL\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>Excel\u306ePEARSON\u95a2\u6570\u3092\u4f7f\u3063\u3066\u76f8\u95a2\u4fc2\u6570\u3092\u6c42\u3081\u305f\u7d50\u679c\u3068\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000004.jpg\" alt=\"pear000004\" width=\"543\" height=\"215\" class=\"aligncenter size-full wp-image-2569\" srcset=\"https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000004.jpg 543w, https:\/\/gunmagisgeek.com\/blog\/wp-content\/uploads\/2013\/02\/pear000004-300x119.jpg 300w\" sizes=\"auto, (max-width: 543px) 100vw, 543px\" \/><\/p>\n<p>\u3061\u3087\u3063\u3068\u8aa4\u5dee\u304c\u51fa\u3066\u3044\u308b\u306e\u304c\u6c17\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u307e\u3041\u3060\u3044\u305f\u3044\u5408\u3063\u3066\u307e\u3059\u304b\u306d\u3002<\/p>\n<p>\u3053\u308c\u3067\u3001\u884c\u9593\u306e\u6bd4\u8f03\u4fc2\u6570\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<br \/>\n\u6bd4\u8f03\u5bfe\u8c61\u3068\u3059\u308b\u9805\u76ee(\u30ab\u30e9\u30e0)\u304c\u5897\u3048\u308b\u6bce\u306b\u3001\u30af\u30a8\u30ea\u3092\u4fee\u6b63\u3057\u306a\u304f\u3066\u306f\u306a\u3089\u306a\u3044\u306e\u3067\u4f7f\u3044\u52dd\u624b\u306f\u3044\u307e\u3044\u3061\u3067\u3059\u304c\u3002<\/p>\n<p>\u76f8\u95a2\u4fc2\u6570\u306e\u8a08\u7b97\u5f0f\u306f\u4e0b\u8a18\u66f8\u7c4d\u3092\u53c2\u8003\u306b\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<br \/>\n<iframe src=\"http:\/\/rcm-jp.amazon.co.jp\/e\/cm?t=toriaezu04b-22&#038;o=9&#038;p=8&#038;l=as1&#038;asins=4873113644&#038;ref=qf_sp_asin_til&#038;fc1=000000&#038;IS2=1&#038;lt1=_blank&#038;m=amazon&#038;lc1=0000FF&#038;bc1=000000&#038;bg1=FFFFFF&#038;f=ifr\" style=\"width:120px;height:240px;\" scrolling=\"no\" marginwidth=\"0\" marginheight=\"0\" frameborder=\"0\"><\/iframe><\/p>\n<hr>\n<h2>\u5099\u8003<\/h2>\n<p>\u4e0a\u8a18\u30b3\u30fc\u30c9\u3067pow\u95a2\u6570\u3092\u4f7f\u308f\u305a\u306b\u30d9\u30ad\u4e57\u8a08\u7b97\u3092\u304a\u3053\u306a\u3063\u3066\u3044\u308b\u90e8\u5206\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u306a\u305c\u304b\u3001\u3053\u3053\u3067pow\u95a2\u6570\u3092\u4f7f\u3046\u3068\u6570\u5024\u304c\u305a\u308c\u308b\u306e\u3067\u56de\u907f\u7b56\u3068\u3057\u3066pow\u95a2\u6570\u3092\u4f7f\u308f\u305a\u30d9\u30ad\u4e57\u8a08\u7b97\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:pgsql decode:true mark:17,23\" title=\"\u6b63\u3057\u304f\u8a08\u7b97\u3055\u308c\u308b\">select\r\n(\r\n\t(\r\n\t\t(5*5)+(3*3)+(5*5)+(3*3)+(5*5)\r\n\t)\r\n\t-\r\n\t(\r\n\t\t(5+3+5+3+5)*(5+3+5+3+5)\/5\r\n\t)\r\n)\r\n\/\r\n(\r\n\tsqrt(\r\n\t\t\t(\r\n\t\t\t\t(pow(5,2)+pow(3,2)+pow(5,2)+pow(3,2)+pow(5,2)) \r\n\t\t\t\t- \r\n\t\t\t\t((5+3+5+3+5)*(5+3+5+3+5))\/5  \r\n\t\t\t)\r\n\t\t\t*\r\n\t\t\t(\r\n\t\t\t\t(pow(5,2)+pow(3,2)+pow(5,2)+pow(3,2)+pow(5,2)) \r\n\t\t\t\t- \r\n\t\t\t\t((5+3+5+3+5)*(5+3+5+3+5))\/5  \r\n\t\t\t)\r\n\t\t)\r\n)<\/pre>\n<p>\u27a11<\/p>\n<pre class=\"lang:pgsql decode:true mark:17,23\" title=\"\u6b63\u3057\u304f\u8a08\u7b97\u3055\u308c\u306a\u3044\">select\r\n(\r\n\t(\r\n\t\t(5*5)+(3*3)+(5*5)+(3*3)+(5*5)\r\n\t)\r\n\t-\r\n\t(\r\n\t\t(5+3+5+3+5)*(5+3+5+3+5)\/5\r\n\t)\r\n)\r\n\/\r\n(\r\n\tsqrt(\r\n\t\t\t(\r\n\t\t\t\t(pow(5,2)+pow(3,2)+pow(5,2)+pow(3,2)+pow(5,2)) \r\n\t\t\t\t- \r\n\t\t\t\tpow((5+3+5+3+5),2)\/5  \r\n\t\t\t)\r\n\t\t\t*\r\n\t\t\t(\r\n\t\t\t\t(pow(5,2)+pow(3,2)+pow(5,2)+pow(3,2)+pow(5,2)) \r\n\t\t\t\t- \r\n\t\t\t\tpow((5+3+5+3+5),2)\/5  \r\n\t\t\t)\r\n\t\t)\r\n)\r\n<\/pre>\n<p>\u27a11.04166666666667<\/p>\n<p>\u540c\u3058\u8a08\u7b97\u3092\u3057\u3066\u3044\u308b\u306f\u305a\u306a\u306e\u306b\u2026\u2026\u306a\u305c\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f8b\u3048\u3070\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30c7\u30fc\u30bf\u304c\u3042\u3063\u305f\u3068\u3057\u3066\u3001\u5217\u540c\u58eb\u306e&hellip;<\/p>\n","protected":false},"author":1,"featured_media":2568,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-2564","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sql","has-post-thumbnail-archive"],"_links":{"self":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/2564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/comments?post=2564"}],"version-history":[{"count":1,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/2564\/revisions"}],"predecessor-version":[{"id":3272,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/posts\/2564\/revisions\/3272"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media\/2568"}],"wp:attachment":[{"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/media?parent=2564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/categories?post=2564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gunmagisgeek.com\/blog\/wp-json\/wp\/v2\/tags?post=2564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}