{"id":2166,"date":"2023-07-23T10:26:35","date_gmt":"2023-07-23T10:26:35","guid":{"rendered":"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/"},"modified":"2023-07-23T10:26:35","modified_gmt":"2023-07-23T10:26:35","slug":"pythonda-f1-puani","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/","title":{"rendered":"Python&#39;da f1 puan\u0131 nas\u0131l hesaplan\u0131r (\u00f6rnek dahil)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Makine \u00f6\u011freniminde <a href=\"https:\/\/statorials.org\/tr\/regresyon-ve-siniflandirma\/\" target=\"_blank\" rel=\"noopener\">s\u0131n\u0131fland\u0131rma modellerini<\/a> kullan\u0131rken model kalitesini de\u011ferlendirmek i\u00e7in kulland\u0131\u011f\u0131m\u0131z yayg\u0131n bir \u00f6l\u00e7\u00fcm <strong>F1 puan\u0131d\u0131r<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu metrik \u015fu \u015fekilde hesaplan\u0131r:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>F1 puan\u0131<\/strong> = 2 * (Hassasl\u0131k * Geri \u00c7a\u011f\u0131rma) \/ (Hassasl\u0131k + Geri \u00c7a\u011f\u0131rma)<\/span><\/p>\n<p> <span style=\"color: #000000;\">Alt\u0131n:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Do\u011fruluk<\/strong> : Pozitif tahminleri toplam pozitif tahminlere g\u00f6re d\u00fczeltin<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Hat\u0131rlatma<\/strong> : Pozitif tahminlerin toplam ger\u00e7ek pozitiflere g\u00f6re d\u00fczeltilmesi<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, 400 farkl\u0131 \u00fcniversite basketbol oyuncusunun NBA&#8217;e al\u0131n\u0131p al\u0131nmayaca\u011f\u0131n\u0131 tahmin etmek i\u00e7in lojistik regresyon modeli kulland\u0131\u011f\u0131m\u0131z\u0131 varsayal\u0131m.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kar\u0131\u015f\u0131kl\u0131k matrisi, modelin yapt\u0131\u011f\u0131 tahminleri \u00f6zetlemektedir:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-20021 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/\u1405-\u1405-\u1405.png\" alt=\"\" width=\"449\" height=\"148\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Modelin F1 puan\u0131n\u0131 \u015fu \u015fekilde hesaplayabilirsiniz:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Do\u011fruluk = Do\u011fru Pozitif \/ (Do\u011fru Pozitif + Yanl\u0131\u015f Pozitif) = 120\/ (120+70) = <strong>0,63157<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Hat\u0131rlama = Do\u011fru Pozitif \/ (Do\u011fru Pozitif + Yanl\u0131\u015f Negatif) = 120 \/ (120+40) = <strong>0,75<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">F1 puan\u0131 = 2 * (.63157 * .75) \/ (.63157 + .75) = . <strong>6857<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnek, Python&#8217;da tam olarak bu model i\u00e7in F1 puan\u0131n\u0131n nas\u0131l hesaplanaca\u011f\u0131n\u0131 g\u00f6sterir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek: Python&#8217;da F1 puan\u0131n\u0131 hesaplama<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, belirli bir \u00f6ng\u00f6r\u00fclen de\u011ferler ve ger\u00e7ek de\u011ferler dizisi i\u00e7in F1 puan\u0131n\u0131 hesaplamak amac\u0131yla Python&#8217;daki <strong>sklearn<\/strong> paketinin <strong>f1_score()<\/strong> i\u015flevinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n<span style=\"color: #008000;\">from<\/span> sklearn. <span style=\"color: #3366ff;\">metrics<\/span> <span style=\"color: #008000;\">import<\/span> f1_score\n\n<span style=\"color: #008080;\">#define array of actual classes\n<\/span>actual = np. <span style=\"color: #3366ff;\">repeat<\/span> ([1, 0], repeats=[160, 240])\n\n<span style=\"color: #008080;\">#define array of predicted classes\n<\/span>pred = np. <span style=\"color: #3366ff;\">repeat<\/span> ([1, 0, 1, 0], repeats=[120, 40, 70, 170])\n\n<span style=\"color: #008080;\">#calculate F1 score\n<\/span>f1_score(actual, pred)\n\n0.6857142857142857\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">F1 puan\u0131n\u0131n <strong>0,6857<\/strong> oldu\u011funu g\u00f6r\u00fcyoruz. Bu, daha \u00f6nce manuel olarak hesaplad\u0131\u011f\u0131m\u0131z de\u011ferle e\u015fle\u015fiyor.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Not<\/strong> : <strong>f1_score()<\/strong> i\u015flevine ili\u015fkin t\u00fcm belgeleri <a href=\"https:\/\/scikit-learn.org\/stable\/modules\/generated\/sklearn.metrics.f1_score.html\" target=\"_blank\" rel=\"noopener\">burada<\/a> bulabilirsiniz.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>F1 puanlar\u0131n\u0131n kullan\u0131m\u0131na ili\u015fkin notlar<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Birden fazla modeli kar\u015f\u0131la\u015ft\u0131rmak i\u00e7in F1 puan\u0131n\u0131 kullan\u0131rsan\u0131z, en y\u00fcksek F1 puan\u0131na sahip model, g\u00f6zlemleri s\u0131n\u0131flara g\u00f6re en iyi \u015fekilde s\u0131n\u0131fland\u0131rabilen modeli temsil eder.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin verilere ba\u015fka bir lojistik regresyon modeli uydurursan\u0131z ve o modelin F1 puan\u0131 0,75 ise o modelin F1 puan\u0131 daha y\u00fcksek oldu\u011fu i\u00e7in daha iyi kabul edilecektir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/tr\/lojistik-regresyon-pitonu\/\" target=\"_blank\" rel=\"noopener\">Python&#8217;da Lojistik Regresyon Nas\u0131l Ger\u00e7ekle\u015ftirilir<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/python-matris-karisikligi\/\" target=\"_blank\" rel=\"noopener\">Python&#8217;da Kar\u0131\u015f\u0131kl\u0131k Matrisi Nas\u0131l Olu\u015fturulur<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/dengeli-hassas-python-sklearn\/\">Python&#8217;da dengeli hassasiyet nas\u0131l hesaplan\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/f1-puani-vs-kesinlik\/\" target=\"_blank\" rel=\"noopener\">F1 Puan\u0131 ve Do\u011fruluk: Hangisini Kullanmal\u0131s\u0131n\u0131z?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Makine \u00f6\u011freniminde s\u0131n\u0131fland\u0131rma modellerini kullan\u0131rken model kalitesini de\u011ferlendirmek i\u00e7in kulland\u0131\u011f\u0131m\u0131z yayg\u0131n bir \u00f6l\u00e7\u00fcm F1 puan\u0131d\u0131r . Bu metrik \u015fu \u015fekilde hesaplan\u0131r: F1 puan\u0131 = 2 * (Hassasl\u0131k * Geri \u00c7a\u011f\u0131rma) \/ (Hassasl\u0131k + Geri \u00c7a\u011f\u0131rma) Alt\u0131n: Do\u011fruluk : Pozitif tahminleri toplam pozitif tahminlere g\u00f6re d\u00fczeltin Hat\u0131rlatma : Pozitif tahminlerin toplam ger\u00e7ek pozitiflere g\u00f6re d\u00fczeltilmesi \u00d6rne\u011fin, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2166","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Python&#039;da F1 Puan\u0131 Nas\u0131l Hesaplan\u0131r (\u00d6rnekle) - Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde Python&#039;da bir s\u0131n\u0131fland\u0131rma modeli i\u00e7in F1 puan\u0131n\u0131n nas\u0131l hesaplanaca\u011f\u0131 bir \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python&#039;da F1 Puan\u0131 Nas\u0131l Hesaplan\u0131r (\u00d6rnekle) - Statorials\" \/>\n<meta property=\"og:description\" content=\"Bu e\u011fitimde Python&#039;da bir s\u0131n\u0131fland\u0131rma modeli i\u00e7in F1 puan\u0131n\u0131n nas\u0131l hesaplanaca\u011f\u0131 bir \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T10:26:35+00:00\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/\",\"url\":\"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/\",\"name\":\"Python&#39;da F1 Puan\u0131 Nas\u0131l Hesaplan\u0131r (\u00d6rnekle) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-23T10:26:35+00:00\",\"dateModified\":\"2023-07-23T10:26:35+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"Bu e\u011fitimde Python&#39;da bir s\u0131n\u0131fland\u0131rma modeli i\u00e7in F1 puan\u0131n\u0131n nas\u0131l hesaplanaca\u011f\u0131 bir \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Python&#39;da f1 puan\u0131 nas\u0131l hesaplan\u0131r (\u00f6rnek dahil)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/tr\/#website\",\"url\":\"https:\/\/statorials.org\/tr\/\",\"name\":\"Statorials\",\"description\":\"\u0130statistik okuryazarl\u0131\u011f\u0131 rehberiniz!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/tr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"tr\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Merhaba, ben Benjamin, emekli bir istatistik profes\u00f6r\u00fc ve Statorials \u00f6\u011fretmenine d\u00f6n\u00fc\u015ft\u00fcm. \u0130statistik alan\u0131ndaki kapsaml\u0131 deneyimim ve uzmanl\u0131\u011f\u0131mla, \u00f6\u011frencilerimi Statorials arac\u0131l\u0131\u011f\u0131yla g\u00fc\u00e7lendirmek i\u00e7in bilgilerimi payla\u015fmaya can at\u0131yorum. Daha fazlas\u0131n\u0131 bil\",\"sameAs\":[\"https:\/\/statorials.org\/tr\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Python&#39;da F1 Puan\u0131 Nas\u0131l Hesaplan\u0131r (\u00d6rnekle) - Statorials","description":"Bu e\u011fitimde Python&#39;da bir s\u0131n\u0131fland\u0131rma modeli i\u00e7in F1 puan\u0131n\u0131n nas\u0131l hesaplanaca\u011f\u0131 bir \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/","og_locale":"tr_TR","og_type":"article","og_title":"Python&#39;da F1 Puan\u0131 Nas\u0131l Hesaplan\u0131r (\u00d6rnekle) - Statorials","og_description":"Bu e\u011fitimde Python&#39;da bir s\u0131n\u0131fland\u0131rma modeli i\u00e7in F1 puan\u0131n\u0131n nas\u0131l hesaplanaca\u011f\u0131 bir \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.","og_url":"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/","og_site_name":"Statorials","article_published_time":"2023-07-23T10:26:35+00:00","author":"Dr.benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Yazan:":"Dr.benjamin anderson","Tahmini okuma s\u00fcresi":"2 dakika"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/","url":"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/","name":"Python&#39;da F1 Puan\u0131 Nas\u0131l Hesaplan\u0131r (\u00d6rnekle) - Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/tr\/#website"},"datePublished":"2023-07-23T10:26:35+00:00","dateModified":"2023-07-23T10:26:35+00:00","author":{"@id":"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48"},"description":"Bu e\u011fitimde Python&#39;da bir s\u0131n\u0131fland\u0131rma modeli i\u00e7in F1 puan\u0131n\u0131n nas\u0131l hesaplanaca\u011f\u0131 bir \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.","breadcrumb":{"@id":"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/#breadcrumb"},"inLanguage":"tr","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/tr\/pythonda-f1-puani\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/tr\/pythonda-f1-puani\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Ev","item":"https:\/\/statorials.org\/tr\/"},{"@type":"ListItem","position":2,"name":"Python&#39;da f1 puan\u0131 nas\u0131l hesaplan\u0131r (\u00f6rnek dahil)"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/tr\/#website","url":"https:\/\/statorials.org\/tr\/","name":"Statorials","description":"\u0130statistik okuryazarl\u0131\u011f\u0131 rehberiniz!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/tr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"tr"},{"@type":"Person","@id":"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48","name":"Dr.benjamin anderson","image":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/statorials.org\/tr\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Dr.benjamin anderson"},"description":"Merhaba, ben Benjamin, emekli bir istatistik profes\u00f6r\u00fc ve Statorials \u00f6\u011fretmenine d\u00f6n\u00fc\u015ft\u00fcm. \u0130statistik alan\u0131ndaki kapsaml\u0131 deneyimim ve uzmanl\u0131\u011f\u0131mla, \u00f6\u011frencilerimi Statorials arac\u0131l\u0131\u011f\u0131yla g\u00fc\u00e7lendirmek i\u00e7in bilgilerimi payla\u015fmaya can at\u0131yorum. Daha fazlas\u0131n\u0131 bil","sameAs":["https:\/\/statorials.org\/tr"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/posts\/2166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/comments?post=2166"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/posts\/2166\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/media?parent=2166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/categories?post=2166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/tags?post=2166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}