{"id":5330,"date":"2023-09-04T22:52:53","date_gmt":"2023-09-04T13:52:53","guid":{"rendered":"https:\/\/obenkyolab.com\/?p=5330"},"modified":"2023-09-04T22:52:53","modified_gmt":"2023-09-04T13:52:53","slug":"valueerror-solver-lbfgs-supports-only-l2-or-none-penalties-got-l1-penalty%e3%81%8c%e7%99%ba%e7%94%9f%e3%81%97%e3%81%9f%e6%99%82%e3%81%ae%e5%af%be%e5%87%a6%e6%b3%95","status":"publish","type":"post","link":"https:\/\/obenkyolab.com\/?p=5330","title":{"rendered":"ValueError: Solver lbfgs supports only &#8216;l2&#8217; or &#8216;none&#8217; penalties, got l1 penalty\u304c\u767a\u751f\u3057\u305f\u6642\u306e\u5bfe\u51e6\u6cd5"},"content":{"rendered":"\n<p>scikit-learn\u306e\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3067\u30e2\u30c7\u30eb\u5b9a\u7fa9\u3092\u884c\u3063\u305f\u3068\u304d\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u306e\u3067\u3001\u305d\u306e\u5bfe\u51e6\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/obenkyolab.com\/?p=5330\/#%E7%92%B0%E5%A2%83\" >\u74b0\u5883<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/obenkyolab.com\/?p=5330\/#%E7%99%BA%E7%94%9F%E7%8A%B6%E6%B3%81\" >\u767a\u751f\u72b6\u6cc1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/obenkyolab.com\/?p=5330\/#%E5%AF%BE%E5%87%A6%E6%B3%95\" >\u5bfe\u51e6\u6cd5<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%92%B0%E5%A2%83\"><\/span>\u74b0\u5883<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>python 3.9.13<br>scikit-learn 1.3.0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%99%BA%E7%94%9F%E7%8A%B6%E6%B3%81\"><\/span>\u767a\u751f\u72b6\u6cc1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u5b9a\u7fa9\u6642L1\u6b63\u5247\u5316\u3092\u4f7f\u3046\u305f\u3081\u306b\u30e1\u30bd\u30c3\u30c9\u5f15\u6570\u3067\u30da\u30ca\u30eb\u30c6\u30a3\u306bl1\u3092\u6307\u5b9a\u3057\u305f\u3089\u30a8\u30e9\u30fc\u767a\u751f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-python\" data-lang=\"Python\"><code>from sklearn.linear_model import LogisticRegression\nlr = LogisticRegression(penalty=&quot;l1&quot;)\n\n-----------------------------------------------------------------------------------\nValueError: Solver lbfgs supports only &#39;l2&#39; or &#39;none&#39; penalties, got l1 penalty.<\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AF%BE%E5%87%A6%E6%B3%95\"><\/span>\u5bfe\u51e6\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>solver\u3068\u3057\u3066&#8217;liblinear&#8217;\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3089\u3057\u3044\u3002\u3053\u308c\u3067\u30a8\u30e9\u30fc\u306f\u89e3\u6d88\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>lr = LogisticRegression(penalty=&quot;l1&quot;, solver=&#39;liblinear&#39;)<\/code><\/pre><\/div>\n\n\n\n<p>\u4ee5\u4e0b\u3092\u53c2\u8003\u306b\u3055\u305b\u3066\u3082\u3089\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/stackoverflow.com\/questions\/60868629\/valueerror-solver-lbfgs-supports-only-l2-or-none-penalties-got-l1-penalty\">python &#8211; ValueError: Solver lbfgs supports only &#8216;l2&#8217; or &#8216;none&#8217; penalties, got l1 penalty &#8211; Stack Overflow<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>scikit-learn\u306e\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u56de\u5e30\u3067\u30e2\u30c7\u30eb\u5b9a\u7fa9\u3092\u884c\u3063\u305f\u3068\u304d&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":1218,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"ja","_original_post":"https:\/\/obenkyolab.com\/?p=5330","footnotes":""},"categories":[7,113],"tags":[],"class_list":["post-5330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","category-113","ja"],"_links":{"self":[{"href":"https:\/\/obenkyolab.com\/index.php?rest_route=\/wp\/v2\/posts\/5330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obenkyolab.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obenkyolab.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obenkyolab.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/obenkyolab.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5330"}],"version-history":[{"count":1,"href":"https:\/\/obenkyolab.com\/index.php?rest_route=\/wp\/v2\/posts\/5330\/revisions"}],"predecessor-version":[{"id":5331,"href":"https:\/\/obenkyolab.com\/index.php?rest_route=\/wp\/v2\/posts\/5330\/revisions\/5331"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obenkyolab.com\/index.php?rest_route=\/wp\/v2\/media\/1218"}],"wp:attachment":[{"href":"https:\/\/obenkyolab.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obenkyolab.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obenkyolab.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}