{"id":13329,"date":"2022-10-03T18:49:47","date_gmt":"2022-10-03T13:19:47","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-confusion-matrix-fails-to-show-all-labels\/"},"modified":"2022-10-03T18:49:47","modified_gmt":"2022-10-03T13:19:47","slug":"solved-confusion-matrix-fails-to-show-all-labels","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-confusion-matrix-fails-to-show-all-labels\/","title":{"rendered":"[Solved] Confusion matrix fails to show all labels"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-67726828\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"67726828\" data-parentid=\"67721888\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>I think there is confusion here! a confusion matrix is set(y_test) + set(y_pred). so if this comes to be 8. then the matrix will be 8 X 8. Now, if you have more labels you want to print even though it does not matter if it&#8217;s all zero. then while building the matrix , you need to feed &#8220;labels&#8221; parameter.<\/p>\n<pre><code>y_true = [2, 0, 2, 2, 0, 1,5]\ny_pred = [0, 0, 2, 2, 0, 2,4]\nconfusion_matrix = confusion_matrix(y_true, y_pred,labels=[0,1,2,3,4,5,6])\n<\/code><\/pre>\n<p>as you can see, 6 is really not there in y_true or y_pred, you will zeros for it.<br \/>\n<a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/jassweb.com\/solved\/wp-content\/uploads\/2022\/10\/Solved-Confusion-matrix-fails-to-show-all-labels.png\"><img decoding=\"async\" src=\"https:\/\/jassweb.com\/solved\/wp-content\/uploads\/2022\/10\/Solved-Confusion-matrix-fails-to-show-all-labels.png\" alt=\"enter image description here\"><\/a><\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Confusion matrix fails to show all labels <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I think there is confusion here! a confusion matrix is set(y_test) + set(y_pred). so if this comes to be 8. then the matrix will be 8 X 8. Now, if you have more labels you want to print even though it does not matter if it&#8217;s all zero. then while building the matrix , &#8230; <a title=\"[Solved] Confusion matrix fails to show all labels\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-confusion-matrix-fails-to-show-all-labels\/\" aria-label=\"More on [Solved] Confusion matrix fails to show all labels\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[3276,582,3566,349],"class_list":["post-13329","post","type-post","status-publish","format-standard","hentry","category-solved","tag-confusion-matrix","tag-matplotlib","tag-multilabel-classification","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Confusion matrix fails to show all labels - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-confusion-matrix-fails-to-show-all-labels\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Confusion matrix fails to show all labels - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I think there is confusion here! a confusion matrix is set(y_test) + set(y_pred). so if this comes to be 8. then the matrix will be 8 X 8. Now, if you have more labels you want to print even though it does not matter if it&#8217;s all zero. then while building the matrix , ... 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