{"id":5203,"date":"2024-03-29T10:25:25","date_gmt":"2024-03-29T10:25:25","guid":{"rendered":"https:\/\/radicalbit.ai\/?post_type=glossary&#038;p=5203"},"modified":"2024-04-02T10:21:44","modified_gmt":"2024-04-02T10:21:44","slug":"confusion-matrix","status":"publish","type":"glossary","link":"https:\/\/radicalbit.ai\/it\/resources\/glossary\/confusion-matrix\/","title":{"rendered":"Confusion Matrix"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The confusion matrix is a table used to measure the error rate of <a href=\"https:\/\/radicalbit.ai\/resources\/glossary\/classification\/\">classification<\/a> models. It is a square matrix, i.e. it has the same number of rows and columns, which depends on the number of classes. The rows indicate the actual classes, while the columns indicate the predicted classes. Based on the values within each cell, it is possible to calculate standard metrics for evaluating classification models, such as the true positive rate, false positive rate, true negative rate and false negative rate. From these four measures, metrics such as <a href=\"https:\/\/radicalbit.ai\/resources\/glossary\/accuracy\/\">accuracy<\/a>, <a href=\"https:\/\/radicalbit.ai\/resources\/glossary\/precision\/\">precision<\/a>, <a href=\"https:\/\/radicalbit.ai\/resources\/glossary\/recall\/\">recall<\/a> and <a href=\"https:\/\/radicalbit.ai\/resources\/glossary\/f1-score\/\">F1-score<\/a> can also be derived.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"645\" height=\"547\" src=\"https:\/\/radicalbit.ai\/wp-content\/uploads\/2024\/03\/confusion-matrix.png\" alt=\"\" class=\"wp-image-5204\" style=\"width:435px;height:auto\" srcset=\"https:\/\/radicalbit.ai\/wp-content\/uploads\/2024\/03\/confusion-matrix.png 645w, https:\/\/radicalbit.ai\/wp-content\/uploads\/2024\/03\/confusion-matrix-300x254.png 300w, https:\/\/radicalbit.ai\/wp-content\/uploads\/2024\/03\/confusion-matrix-480x407.png 480w\" sizes=\"(max-width: 645px) 100vw, 645px\" \/><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The confusion matrix is a table used to measure the error rate of classification models. It is a square matrix, i.e. it has the same&hellip;<\/p>\n","protected":false},"author":1,"featured_media":4814,"menu_order":0,"template":"","meta":{"footnotes":""},"class_list":["post-5203","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Confusion Matrix | Radicalbit<\/title>\n<meta name=\"description\" content=\"The confusion matrix is a table used to measure the error rate of classification models - It is a square matrix\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/radicalbit.ai\/it\/resources\/glossary\/confusion-matrix\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Confusion Matrix | Radicalbit\" \/>\n<meta property=\"og:description\" content=\"The confusion matrix is a table used to measure the error rate of classification models - 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