{"id":1360,"date":"2022-10-12T12:11:17","date_gmt":"2022-10-12T12:11:17","guid":{"rendered":"https:\/\/dsrc.haifa.ac.il\/?p=1360"},"modified":"2023-08-24T14:07:31","modified_gmt":"2023-08-24T14:07:31","slug":"knn-algorithm-for-regression-and-classification","status":"publish","type":"post","link":"https:\/\/dsrc.haifa.ac.il\/?p=1360","title":{"rendered":"KNN algorithm for Regression and Classification"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1360\" class=\"elementor elementor-1360\" 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-df08fbe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"df08fbe\" 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-4e70c14\" data-id=\"4e70c14\" 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-31e840b elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"31e840b\" 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\">KNN algorithm for Regression and Classification\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87454b8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"87454b8\" 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-7d4d910 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7d4d910\" 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-6b5ccc5\" data-id=\"6b5ccc5\" 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-b958bb6 elementor-widget elementor-widget-text-editor\" data-id=\"b958bb6\" 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>KNN\u00a0 is a very popular and simple prediction tool.<br \/>Below we will demonstrate how to use random forest in Orange Data Mining both for regression and classification 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-9ba2b5d elementor-widget elementor-widget-button\" data-id=\"9ba2b5d\" 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\/19PpWDddMQUqcpqp1BQPIERK45WkSyoMx\/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<div class=\"elementor-element elementor-element-9057269 elementor-widget elementor-widget-text-editor\" data-id=\"9057269\" 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;\"><strong>\u05de\u05d8\u05e8\u05d4: <\/strong>\u05dc\u05dc\u05de\u05d5\u05d3 \u05d0\u05d9\u05da \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05d1\u05de\u05d5\u05d3\u05dc K \u05e9\u05db\u05e0\u05d9\u05dd \u05d4\u05db\u05d9 \u05e7\u05e8\u05d5\u05d1\u05d9\u05dd \u05dc\u05de\u05d8\u05e8\u05ea \u05e4\u05e8\u05d3\u05d9\u05e7\u05e6\u05d9\u05d4<\/p><p style=\"text-align: right;\"><strong>\u05d6\u05de\u05df \u05d4\u05e7\u05e8\u05d9\u05d0\u05d4:<\/strong> \u05db-10 \u05d3\u05e7\u05d5\u05ea<\/p><p style=\"text-align: right;\">\u05d1\u05d4\u05d3\u05e8\u05db\u05d4 \u05d6\u05d5 \u05e0\u05d3\u05d2\u05d9\u05dd:<\/p><ul style=\"text-align: right;\"><li>\u05e2\u05e7\u05e8\u05d5\u05e0\u05d5\u05ea \u05e9\u05d9\u05de\u05d5\u05e9 \u05d1\u05de\u05d5\u05d3\u05dc K-\u05e9\u05db\u05e0\u05d9\u05dd \u05d4\u05db\u05d9 \u05e7\u05e8\u05d5\u05d1\u05d9\u05dd<\/li><\/ul><p style=\"text-align: right;\"><strong>\u05de\u05d1\u05d5\u05d0<\/strong>: \u00a0\u05e7\u05d9\u05d9\u05dd \u05de\u05e1\u05e4\u05e8 \u05e8\u05d1 \u05e9\u05dc \u05de\u05d5\u05d3\u05dc\u05d9 \u05e0\u05d9\u05d1\u05d5\u05d9. \u05dc\u05db\u05dc \u05de\u05d5\u05d3\u05dc \u05d9\u05e9 \u05d9\u05ea\u05e8\u05d5\u05e0\u05d5\u05ea \u05d5\u05d7\u05e1\u05e8\u05d5\u05e0\u05d5\u05ea. \u05de\u05d5\u05d3\u05dc KNN \u05d4\u05d5\u05d0 \u05d3\u05d9 \u05e4\u05e9\u05d5\u05d8 \u05dc\u05d4\u05d1\u05e0\u05d4. \u05db\u05d3\u05d9 \u05dc\u05e2\u05e9\u05d5\u05ea \u05d7\u05d9\u05d6\u05d5\u05d9 \u05de\u05e9\u05ea\u05de\u05e9\u05d9\u05dd \u05d1\u05ea\u05e6\u05e4\u05d9\u05d5\u05ea \u05d4\u05db\u05d9 \u05e7\u05e8\u05d5\u05d1\u05d5\u05ea \u05dc\u05ea\u05e6\u05e4\u05d9\u05ea \u05e9\u05e2\u05d1\u05d5\u05e8\u05d4 \u05d1\u05d5\u05e0\u05d9\u05dd \u05d7\u05d9\u05d6\u05d5\u05d9. \u05d1\u05de\u05d5\u05d3\u05dc \u05d9\u05e9 \u05dc\u05d1\u05d7\u05d5\u05e8 \u05d1\u05db\u05de\u05d4 \u05e9\u05db\u05e0\u05d9\u05dd \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05d5\u05de\u05d4\u05d9 \u05de\u05d8\u05e8\u05d9\u05e7\u05ea \u05d4\u05de\u05e8\u05d7\u05e7. \u05d0\u05e4\u05e9\u05e8 \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05d1\u05de\u05d5\u05d3\u05dc \u05d6\u05d4 \u05d2\u05dd \u05e2\u05d1\u05d5\u05e8 \u05d1\u05e2\u05d9\u05d5\u05ea \u05e1\u05d9\u05d5\u05d5\u05d2 \u05d5\u05d2\u05dd \u05e2\u05d1\u05d5\u05e8 \u05d1\u05e2\u05d9\u05d5\u05ea \u05e8\u05d2\u05e8\u05e1\u05d9\u05d4.<\/p><p style=\"text-align: right;\"><strong>\u05e9\u05d9\u05de\u05d5\u05e9 \u05d1-<\/strong><strong>KNN<\/strong><strong> \u05e2\u05d1\u05d5\u05e8 \u05d1\u05e2\u05d9\u05d5\u05ea \u05e8\u05d2\u05e8\u05e1\u05d9\u05d4<\/strong>:<\/p><p style=\"text-align: right;\">\u05e0\u05e9\u05ea\u05de\u05e9 \u05d1\u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05e9\u05dc HOUSING. \u05de\u05e9\u05ea\u05e0\u05d4 \u05de\u05d8\u05e8\u05d4 \u05db\u05d0\u05df \u05d4\u05d9\u05d0 MEDV \u2013 \u05de\u05d7\u05d9\u05e8 \u05e9\u05dc \u05d1\u05d9\u05ea<\/p><p style=\"text-align: right;\"><img decoding=\"async\" class=\"size-medium wp-image-9956 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/1-5-300x140.png\" alt=\"\" width=\"300\" height=\"140\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/1-5-300x140.png 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/1-5.png 449w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p>\u05db\u05d0\u05df \u05d4\u05e9\u05ea\u05de\u05e9\u05e0\u05d5 \u05d1-9 \u05e9\u05db\u05e0\u05d9\u05dd \u05d5\u05de\u05d8\u05e8\u05d9\u05e7\u05ea MANHATTAN. \u05db\u05de\u05d5 \u05e9\u05d0\u05e4\u05e9\u05e8 \u05dc\u05e8\u05d0\u05d5\u05ea \u05d0\u05d9\u05db\u05d5\u05ea \u05e9\u05dc \u05de\u05d5\u05d3\u05dc \u05dc\u05e4\u05d9 R \u05d1\u05e8\u05d9\u05d1\u05d5\u05e2 \u05d4\u05d9\u05d0 0.559.<\/p><p>\u05e0\u05d9\u05ea\u05df \u05dc\u05e0\u05e1\u05d5\u05ea \u05dc\u05e9\u05e4\u05e8 \u05d0\u05ea \u05d4\u05de\u05d5\u05d3\u05dc. \u05e0\u05d1\u05d7\u05e8 3 \u05e9\u05db\u05e0\u05d9\u05dd \u05d5\u05de\u05d8\u05e8\u05d9\u05e7\u05ea MAHALOBIS, \u05d0\u05d9\u05db\u05d5\u05ea \u05d4\u05de\u05d5\u05d3\u05dc \u05e2\u05dc\u05ea\u05d4 \u05dc0.79.<\/p><p><img decoding=\"async\" class=\"size-medium wp-image-9957 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/2-5-300x142.png\" alt=\"\" width=\"300\" height=\"142\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/2-5-300x142.png 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/2-5.png 427w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p>\u05e9\u05d9\u05de\u05d5\u05e9 \u05d1KNN \u05e2\u05d1\u05d5\u05e8 \u05d1\u05e2\u05d9\u05d5\u05ea \u05e8\u05d2\u05e8\u05e1\u05d9\u05d4. \u05e0\u05d1\u05d7\u05e8 \u05e0\u05ea\u05d5\u05e0\u05d9\u05dd \u05e9\u05dc \u05de\u05d7\u05dc\u05d5\u05ea \u05dc\u05d1: HEAR DECEASE.<\/p><p><img decoding=\"async\" class=\"size-medium wp-image-9958 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/3-5-300x146.png\" alt=\"\" width=\"300\" height=\"146\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/3-5-300x146.png 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/3-5.png 624w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p>\u05e2\u05d1\u05d5\u05e8 3 \u05e9\u05db\u05e0\u05d9\u05dd \u05d5\u05de\u05d8\u05e8\u05d9\u05e7\u05ea EUCLIDEAN \u00a0\u05d0\u05d9\u05db\u05d5\u05ea \u05e9\u05dc \u05de\u05d5\u05d3\u05dc \u05dc\u05e4\u05d9 \u05e7\u05e8\u05d9\u05d8\u05e8\u05d9\u05d5\u05df AUC \u05d4\u05d9\u05e0\u05d4 0.628.<\/p><p>\u05e0\u05d9\u05ea\u05df \u05dc\u05e0\u05e1\u05d5\u05ea \u05dc\u05e9\u05e4\u05e8 \u05d0\u05d9\u05db\u05d5\u05ea \u05d4\u05de\u05d5\u05d3\u05dc \u05e2\u05dc \u05d9\u05d3\u05d9 \u05e9\u05d9\u05e0\u05d5\u05d9 \u05de\u05e1\u05e4\u05e8 \u05e9\u05db\u05e0\u05d9\u05dd \u05d5\u05de\u05d8\u05e8\u05d9\u05e7\u05ea \u05de\u05e8\u05d7\u05e7.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-9959 aligncenter\" src=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/4-4-300x141.png\" alt=\"\" width=\"300\" height=\"141\" srcset=\"https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/4-4-300x141.png 300w, https:\/\/dsrc.haifa.ac.il\/wp-content\/uploads\/2023\/08\/4-4.png 529w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p><p style=\"text-align: right;\">.<\/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-060cc3f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"060cc3f\" 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-9f54c8e\" data-id=\"9f54c8e\" 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-13b1612 elementor-widget elementor-widget-spacer\" data-id=\"13b1612\" 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>KNN algorithm for Regression and Classification KNN\u00a0 is a very popular and simple prediction tool.Below we will demonstrate how to use random forest in Orange Data Mining both for regression and classification problems. 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