{"id":3694,"date":"2023-07-16T02:29:55","date_gmt":"2023-07-16T02:29:55","guid":{"rendered":"https:\/\/statorials.org\/tr\/pandalar-sayar-dogru-yanlis\/"},"modified":"2023-07-16T02:29:55","modified_gmt":"2023-07-16T02:29:55","slug":"pandalar-sayar-dogru-yanlis","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/pandalar-sayar-dogru-yanlis\/","title":{"rendered":"Pandalar: bir s\u00fctunda do\u011fru ve yanl\u0131\u015f olu\u015fumlar\u0131n\u0131 say\u0131n"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Pandas DataFrame&#8217;in bir s\u00fctunundaki True ve False de\u011ferlerinin olu\u015fumlar\u0131n\u0131 saymak i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">my_boolean_column<\/span> ']. <span style=\"color: #3366ff;\">value_counts<\/span> ()\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Bu, True ve False de\u011ferlerinin olu\u015fumlar\u0131n\u0131 sayacakt\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Belirli de\u011ferlerden yaln\u0131zca birini saymak istiyorsan\u0131z a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#count occurrences of True\n<\/span>df[' <span style=\"color: #ff0000;\">my_boolean_column<\/span> ']. <span style=\"color: #3366ff;\">values<\/span> . <span style=\"color: #3366ff;\">sum<\/span> ()\n\n<span style=\"color: #008080;\">#count occurrences of False\n<\/span>( <span style=\"color: #800080;\">~<\/span> df[' <span style=\"color: #ff0000;\">my_boolean_column<\/span> ']). <span style=\"color: #3366ff;\">values<\/span> . <span style=\"color: #3366ff;\">sum<\/span> ()<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnek, bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\u00d6rnek: pandalarda do\u011fru ve yanl\u0131\u015f say\u0131lar\u0131n\u0131 sayma<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\u00c7e\u015fitli basketbol oyuncular\u0131 hakk\u0131nda bilgi i\u00e7eren a\u015fa\u011f\u0131daki pandalar DataFrame&#8217;e sahip oldu\u011fumuzu varsayal\u0131m:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'A', 'A', 'B', 'B', 'C', 'C'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [18, 22, 19, 14, 14, 28, 20],\n                   ' <span style=\"color: #ff0000;\">all_star<\/span> ': [True, False, False, True, False, True, True]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  team points all_star\n0 A 18 True\n1 To 22 False\n2 To 19 False\n3 B 14 True\n4 B 14 False\n5 C 28 True\n6 C 20 True\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>all_star<\/strong> s\u00fctunundaki True ve False de\u011ferlerinin olu\u015fumlar\u0131n\u0131 saymak i\u00e7in <strong>value_counts()<\/strong> fonksiyonunu kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#count occurrences of True and False in all_star column\n<span style=\"color: #000000;\">df[' <span style=\"color: #ff0000;\">all_star<\/span> ']. <span style=\"color: #3366ff;\">value_counts<\/span> ()\n\nTrue 4\nFalse 3\nName: all_star, dtype: int64\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Sonu\u00e7tan \u015funlar\u0131 g\u00f6rebiliriz:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Do\u011fru, <strong>all_star<\/strong> s\u00fctununda <strong>4<\/strong> kez g\u00f6r\u00fcn\u00fcr.<\/span><\/li>\n<li> <span style=\"color: #000000;\">False de\u011feri <strong>all_star<\/strong> s\u00fctununda <strong>3<\/strong> kez g\u00f6r\u00fcn\u00fcr.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Yaln\u0131zca True olu\u015fumlar\u0131n\u0131 saymak i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini de kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#count occurrences of True in all_star column\n<\/span>df[' <span style=\"color: #ff0000;\">all_star<\/span> ']. <span style=\"color: #3366ff;\">values<\/span> . <span style=\"color: #3366ff;\">sum<\/span> ()\n\n4<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ve yaln\u0131zca False olu\u015fumunu saymak i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#count occurrences of False in all_star column\n<\/span>( <span style=\"color: #800080;\">~<\/span> df[' <span style=\"color: #ff0000;\">all_star<\/span> ']). <span style=\"color: #3366ff;\">values<\/span> . <span style=\"color: #3366ff;\">sum<\/span> ()\n\n3<\/span><\/span><\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki e\u011fitimlerde pandalarda di\u011fer ortak g\u00f6revlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/tr\/pandalar-grup-bazinda-deger-sayilari\/\" target=\"_blank\" rel=\"noopener\">Pandalar: GroupBy ve de\u011fer say\u0131lar\u0131 nas\u0131l kullan\u0131l\u0131r?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/pandalar-gruplandirma-kutulari\/\" target=\"_blank\" rel=\"noopener\">Pandalar: GroupBy&#8217;yi \u00e7\u00f6p kutusu say\u0131m\u0131 ile kullanma<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/pandalar-kosullu-sutundaki-degerleri-sayar\/\" target=\"_blank\" rel=\"noopener\">Pandalar: Ko\u015fullu bir s\u00fctundaki de\u011ferler nas\u0131l say\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pandas DataFrame&#8217;in bir s\u00fctunundaki True ve False de\u011ferlerinin olu\u015fumlar\u0131n\u0131 saymak i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz: df[&#8216; my_boolean_column &#8216;]. value_counts () Bu, True ve False de\u011ferlerinin olu\u015fumlar\u0131n\u0131 sayacakt\u0131r. Belirli de\u011ferlerden yaln\u0131zca birini saymak istiyorsan\u0131z a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabilirsiniz: #count occurrences of True df[&#8216; my_boolean_column &#8216;]. values . sum () #count occurrences of False ( ~ df[&#8216; my_boolean_column [&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-3694","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>Pandalar: bir s\u00fctunda do\u011fru ve yanl\u0131\u015f\u0131n olu\u015fumlar\u0131n\u0131 say\u0131n - Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, bir panda DataFrame s\u00fctunundaki True ve False de\u011ferlerinin olu\u015fumlar\u0131n\u0131n nas\u0131l say\u0131laca\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\/pandalar-sayar-dogru-yanlis\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pandalar: bir s\u00fctunda do\u011fru ve yanl\u0131\u015f\u0131n olu\u015fumlar\u0131n\u0131 say\u0131n - 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