{"id":1390,"date":"2022-10-12T12:24:38","date_gmt":"2022-10-12T12:24:38","guid":{"rendered":"https:\/\/dsrc.haifa.ac.il\/?p=1390"},"modified":"2023-08-24T13:45:23","modified_gmt":"2023-08-24T13:45:23","slug":"confusion-matrix-for-regression-problem","status":"publish","type":"post","link":"https:\/\/dsrc.haifa.ac.il\/?p=1390","title":{"rendered":"Confusion Matrix for Regression Problem"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1390\" class=\"elementor elementor-1390\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-9b045ee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9b045ee\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8888bdd\" data-id=\"8888bdd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3af85e8 elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"3af85e8\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_mobile&quot;:&quot;fadeInUp&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Confusion Matrix for Regression Problem\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-90f80f1 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"90f80f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-fe7685a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe7685a\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3029c98\" data-id=\"3029c98\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f2c69cd elementor-widget elementor-widget-text-editor\" data-id=\"f2c69cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Here you can find the explanations &#8211; how to use a confusion matrix for regression problems. The confusion matrix is a useful tool for classification problems sometimes we can use it also for regression problems.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15719b0 elementor-widget elementor-widget-button\" data-id=\"15719b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"https:\/\/drive.google.com\/file\/d\/1KS2TdRzLS4z3y0yLLeVO0_w0MyU6QN6L\/view?usp=drive_link\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-file-pdf\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">PDF File<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-11cfc14 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"11cfc14\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c8d5bec\" data-id=\"c8d5bec\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aa5a3a4 elementor-widget elementor-widget-text-editor\" data-id=\"aa5a3a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: right;\">\u05d0) \u05d0\u05d9\u05da \u05dc\u05e4\u05ea\u05d5\u05e8 \u05d1\u05e2\u05d9\u05d5\u05ea \u05e8\u05d2\u05e8\u05e1\u05d9\u05d4 \u2013 \u05d7\u05d9\u05d6\u05d5\u05d9 \u05de\u05d7\u05d9\u05e8 \u05e9\u05dc \u05d1\u05d9\u05ea \u05e2\u05d1\u05d5\u05e8 \u05d0\u05d5\u05e1\u05e3 \u05e0\u05ea\u05d5\u05e0\u05d9\u05dd HOUSING<br \/>\u05d1) \u05e0\u05e2\u05e8\u05d9\u05da \u05d0\u05d9\u05db\u05d5\u05ea \u05e9\u05dc \u05de\u05d5\u05d3\u05dc \u05d1\u05e2\u05d6\u05e8\u05ea \u05e9\u05d9\u05de\u05d5\u05e9 \u05d1\u05de\u05d5\u05d3\u05d5\u05dc matrix confusion<\/p><p style=\"text-align: right;\"><strong>:\u05de\u05d1\u05d5\u05d0<\/strong><\/p><p style=\"text-align: right;\">\u05d1\u05d1\u05e2\u05d9\u05d5\u05ea \u05e8\u05d2\u05e8\u05e1\u05d9\u05d4 \u05de\u05e9\u05ea\u05e0\u05d4 \u05de\u05d8\u05e8\u05d4 \u05de\u05e7\u05d1\u05dc \u05e2\u05e8\u05db\u05d9\u05dd \u05de\u05e1\u05e4\u05e8\u05d9\u05d9\u05dd, \u05dc\u05de\u05e9\u05dc \u05de\u05d7\u05d9\u05e8 \u05e9\u05dc \u05d1\u05d9\u05ea. \u05d0\u05e4\u05e9\u05e8 \u05dc\u05d4\u05e2\u05e8\u05d9\u05da \u05d0\u05d9\u05db\u05d5\u05ea \u05e9\u05dc \u05de\u05d5\u05d3\u05dc \u05e8\u05d2\u05e8\u05e1\u05d9\u05d4 \u05d1\u05e2\u05d6\u05e8\u05ea \u05de\u05e7\u05d3\u05dd R \u05d1\u05e8\u05d9\u05d1\u05d5\u05e2 \u05d0\u05d5 \u05d1\u05d3\u05e8\u05db\u05d9\u05dd \u05d0\u05d7\u05e8\u05d5\u05ea. \u05de\u05d8\u05e8\u05d9\u05e6\u05ea \u05d1\u05dc\u05d1\u05d5\u05dc\u05d9\u05dd \u05e2\u05d5\u05d6\u05e8\u05ea \u05dc\u05d4\u05d1\u05d9\u05df \u05de\u05d4\u05d5 \u05d0\u05d9\u05db\u05d5\u05ea \u05e9\u05dc \u05de\u05d5\u05d3\u05dc \u05e1\u05d9\u05d5\u05d5\u05d2. \u05d4\u05d0\u05dd \u05d0\u05e4\u05e9\u05e8 \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05d1\u05de\u05d8\u05e8\u05d9\u05e6\u05ea \u05d1\u05dc\u05d1\u05d5\u05dc\u05d9\u05dd \u05e2\u05d1\u05d5\u05e8 \u05d1\u05e2\u05d9\u05d5\u05ea \u05e8\u05d2\u05e8\u05e1\u05d9\u05d4? \u05db\u05df, \u05dc\u05d0\u05d7\u05e8 \u05d4\u05db\u05e0\u05d4 \u05de\u05ea\u05d0\u05d9\u05de\u05d4.<\/p><p style=\"text-align: right;\">1) \u05d9\u05e9 \u05dc\u05e4\u05ea\u05d5\u05d7 \u05e0\u05ea\u05d5\u05e0\u05d9\u05dd HOUSING \u05d1\u05e2\u05d6\u05e8\u05ea \u05de\u05d5\u05d3\u05d5\u05dc FILE. \u05d1\u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05d4\u05d0\u05dc\u05d5 \u05d4\u05de\u05d8\u05e8\u05d4 \u05d4\u05d9\u05d0 \u05dc\u05ea\u05ea \u05ea\u05d7\u05d6\u05d9\u05ea \u05e2\u05d1\u05d5\u05e8 \u05de\u05e9\u05ea\u05e0\u05d4 \u05de\u05d8\u05e8\u05d4 \u05db\u05de\u05d5\u05ea\u05d9 MEDV<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-9792 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/1-300x181.png\" alt=\"\" width=\"300\" height=\"181\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/1-300x181.png 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/1.png 335w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p style=\"text-align: right;\">2) \u05d1\u05e2\u05d6\u05e8\u05ea \u05de\u05d5\u05d3\u05d5\u05dc\u05d9\u05dd REGRESSION LINEAR \u05d5 -SCORE AND TEST \u05e0\u05d1\u05e0\u05d4 \u05de\u05d5\u05d3\u05dc \u05d7\u05d9\u05d6\u05d5\u05d9 \u05e2\u05d1\u05d5\u05e8 \u05d4\u05e0\u05ea\u05d5\u05e0\u05d9\u05dd:<\/p><p><img decoding=\"async\" class=\"size-full wp-image-9793 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/2.png\" alt=\"\" width=\"271\" height=\"140\" \/><\/p><p style=\"text-align: right;\">\u05d0\u05e4\u05e9\u05e8 \u05dc\u05d4\u05e2\u05e8\u05d9\u05da \u05d0\u05d9\u05db\u05d5\u05ea \u05d4\u05de\u05d5\u05d3 \u05dc \u05d1\u05e2\u05d6\u05e8\u05ea \u05de\u05e7\u05d3\u05dd R \u05d1\u05e8\u05d9\u05d1\u05d5\u05e2<\/p><p><img decoding=\"async\" class=\"size-medium wp-image-9794 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/3-300x69.png\" alt=\"\" width=\"300\" height=\"69\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/3-300x69.png 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/3.png 312w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p style=\"text-align: right;\">3) \u05db\u05d3\u05d0\u05d9 \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05d1\u05de\u05d8\u05e8\u05d9\u05e6\u05ea \u05d1\u05dc\u05d1\u05d5\u05dc\u05d9\u05dd \u05e0\u05e6\u05d8\u05e8\u05da \u05dc\u05d4\u05e4\u05d5\u05da \u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05e9\u05dc\u05e0\u05d5 \u05dc\u05d0\u05d9\u05db\u05d5\u05ea\u05d9\u05d9\u05dd, \u05e0\u05e2\u05e9\u05d4 \u05d6\u05d4 \u05d1\u05e2\u05d6\u05e8\u05ea \u05de\u05d5\u05d3\u05d5\u05dc .FEATURE CONSTRUCTOR<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-9795 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/4-300x102.png\" alt=\"\" width=\"300\" height=\"102\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/4-300x102.png 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/4.png 631w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p style=\"text-align: right;\">\u05db\u05de\u05d5 \u05e9\u05d0\u05e4\u05e9\u05e8 \u05dc\u05e8\u05d0\u05d5\u05ea \u05d0\u05e0\u05d5 \u05d7\u05dc\u05e7\u05e0\u05d5 \u05ea\u05d7\u05d5\u05dd \u05e9\u05dc \u05de\u05d7\u05d9\u05e8\u05d9\u05dd \u05dc3- \u05d0\u05d6\u05d5\u05e8\u05d9\u05dd,:small big ,medium \u05d5\u05e2\u05db\u05e9\u05d9\u05d5 \u05e0\u05d5\u05db\u05dc \u05de\u05d8\u05e8\u05d9\u05e6\u05ea \u05d1\u05dc\u05d1\u05d5\u05dc\u05d9\u05dd \u05d1\u05e2\u05d6\u05e8\u05ea \u05de\u05d5\u05d3\u05d5\u05dc PIVOT<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-9798 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/5-1-300x80.png\" alt=\"\" width=\"300\" height=\"80\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/5-1-300x80.png 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/5-1.png 753w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p style=\"text-align: right;\">\u05d0\u05dd \u05e0\u05e1\u05ea\u05db\u05dc \u05d1\u05de\u05d8\u05e8\u05d9\u05e6\u05d4 \u05d0\u05e4\u05e9\u05e8 \u05dc\u05e8\u05d0\u05d5\u05ea \u05e9\u05e2\u05dc \u05d1\u05ea\u05d9\u05dd \u05d9\u05e7\u05e8\u05d9\u05dd \u05d4\u05de\u05d5\u05d3\u05dc \u05e9\u05dc\u05e0\u05d5 \u05d8\u05e2\u05d4 \u05e8\u05e7 \u05e4\u05e2\u05dd \u05d0\u05d7\u05ea \u05d5\u05e2\u05d1\u05d5\u05e8 \u05d1\u05d9\u05ea\u05d9\u05dd \u05d6\u05d5\u05dc\u05d9\u05dd \u05de\u05d5\u05d3\u05dc \u05e9\u05dc\u05e0\u05d5 \u05d1\u05e8\u05d1\u05e2 \u05de\u05d4\u05de\u05e7\u05e8\u05d9\u05dd \u05e0\u05d5\u05ea\u05df \u05ea\u05d7\u05d6\u05d9\u05ea \u05e9\u05d2\u05d5\u05d9\u05d4.<br \/>\u05d0\u05e4\u05e9\u05e8 \u05d2\u05dd \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05d1\u05de\u05d5\u05d3\u05d5\u05dc PLOT SCATTER . \u05d0\u05d1\u05dc \u05dc\u05e4\u05e2\u05de\u05d9\u05dd \u05d4\u05e6\u05d2\u05d4 \u05d1\u05e2\u05d6\u05e8\u05ea \u05de\u05d8\u05e8\u05d9\u05e6\u05ea \u05d1\u05dc\u05d1\u05d5\u05dc\u05d9\u05dd \u05d9\u05d5\u05ea\u05e8 \u05e4\u05e9\u05d5\u05d8\u05d4<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-9797 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/6.png\" alt=\"\" width=\"261\" height=\"192\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-f0df816 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f0df816\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-156bc03\" data-id=\"156bc03\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ce7d860 elementor-widget elementor-widget-spacer\" data-id=\"ce7d860\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Confusion Matrix for Regression Problem Here you can find the explanations &#8211; how to use a confusion matrix for regression problems. The confusion matrix is a useful tool for classification problems sometimes we can use it also for regression problems. 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The confusion matrix is a useful tool for classification problems sometimes we can use it also for regression problems. 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