{"id":3123,"date":"2023-07-19T02:44:58","date_gmt":"2023-07-19T02:44:58","guid":{"rendered":"https:\/\/statorials.org\/tr\/pandalar-pivot-tablosu-nani-0-ile-degistirin\/"},"modified":"2023-07-19T02:44:58","modified_gmt":"2023-07-19T02:44:58","slug":"pandalar-pivot-tablosu-nani-0-ile-degistirin","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/pandalar-pivot-tablosu-nani-0-ile-degistirin\/","title":{"rendered":"Pandalar: pivot tablodaki nan de\u011ferleri s\u0131f\u0131rlarla nas\u0131l de\u011fi\u015ftirilir?"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Bir pivot tablodaki NaN de\u011ferlerini s\u0131f\u0131rlarla de\u011fi\u015ftirmek i\u00e7in pandalarda <strong>fill_value<\/strong> arg\u00fcman\u0131n\u0131 kullanabilirsiniz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bunu yapmak i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>p.d. <span style=\"color: #3366ff;\">pivot_table<\/span> (df, values=' <span style=\"color: #ff0000;\">col1<\/span> ', index=' <span style=\"color: #ff0000;\">col2<\/span> ', columns=' <span style=\"color: #ff0000;\">col3<\/span> ', fill_value= <span style=\"color: #008000;\">0<\/span> )\n<\/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<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek: Pivot tablodaki NaN de\u011ferlerini s\u0131f\u0131rlarla de\u011fi\u015ftirin<\/strong><\/span><\/h3>\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>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'],\n                   ' <span style=\"color: #ff0000;\">position<\/span> ': ['G', 'G', 'F', 'C', 'F', 'F', 'F', 'F'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [4, 4, 6, 8, 9, 5, 5, 12]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n\tteam position points\n0 A G 4\n1 A G 4\n2 A F 6\n3 A C 8\n4 B F 9\n5 B F 5\n6 B F 5\n7 B F 12<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">DataFrame&#8217;deki her <strong>tak\u0131m<\/strong> ve <strong>konum<\/strong> i\u00e7in ortalama <strong>puan<\/strong> de\u011ferini g\u00f6steren pandalarda bir pivot tablo olu\u015fturmak i\u00e7in a\u015fa\u011f\u0131daki kodu kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create pivot table\n<\/span>df_pivot = pd. <span style=\"color: #3366ff;\">pivot_table<\/span> (df, values=' <span style=\"color: #ff0000;\">points<\/span> ', index=' <span style=\"color: #ff0000;\">team<\/span> ', columns=' <span style=\"color: #ff0000;\">position<\/span> ')\n\n<span style=\"color: #008080;\">#view pivot table\n<\/span><span style=\"color: #008000;\">print<\/span> (df_pivot)\n\nCFG position\nteam                    \nA 8.0 6.00 4.0\nB NaN 7.75 NaN<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Orijinal DataFrame&#8217;de B tak\u0131m\u0131nda hi\u00e7bir oyuncunun <strong>C<\/strong> veya <strong>G<\/strong> konumu olmad\u0131\u011f\u0131ndan pivot tabloda iki NaN de\u011feri bulundu\u011funu unutmay\u0131n, dolay\u0131s\u0131yla pivot tabloda bu iki konumun NaN de\u011ferleri vard\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu NaN de\u011ferlerini pivot tablodaki s\u0131f\u0131rlarla doldurmak i\u00e7in <strong>fill_value<\/strong> arg\u00fcman\u0131n\u0131 kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create pivot table with zeros instead of NaN values\n<\/span>df_pivot = pd. <span style=\"color: #3366ff;\">pivot_table<\/span> (df, values=' <span style=\"color: #ff0000;\">points<\/span> ', index=' <span style=\"color: #ff0000;\">team<\/span> ', columns=' <span style=\"color: #ff0000;\">position<\/span> ',\n                          fill_value= <span style=\"color: #008000;\">0<\/span> )\n\n<span style=\"color: #008080;\">#view pivot table\n<\/span><span style=\"color: #008000;\">print<\/span> (df_pivot)\n\nCFG position\nteam                \nA 8 6.00 4\nB 0 7.75 0<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u00d6nceki pivot tablodaki NaN de\u011ferlerinin her birinin s\u0131f\u0131rlarla dolduruldu\u011funu unutmay\u0131n.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Not<\/strong> : Pandalar\u0131n <strong>pivot_table()<\/strong> i\u015flevinin tam belgelerini <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.pivot_table.html\" target=\"_blank\" rel=\"noopener\">burada<\/a> bulabilirsiniz.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki e\u011fitimlerde pandalarda di\u011fer yayg\u0131n i\u015flemlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/tr\/uzun-ve-genis-pandalar\/\" target=\"_blank\" rel=\"noopener\">Pandalar: DataFrame&#8217;i uzundan geni\u015fe do\u011fru yeniden \u015fekillendirme<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/genis-ila-uzun-pandalar\/\" target=\"_blank\" rel=\"noopener\">Pandalar: DataFrame&#8217;i geni\u015ften uzuna nas\u0131l yeniden \u015fekillendirebilirim?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/pandalar-birden-cok-sutunu-gruplayarak-toplar\/\" target=\"_blank\" rel=\"noopener\">Pandalar: birden \u00e7ok s\u00fctunda nas\u0131l grupland\u0131r\u0131l\u0131r ve toplan\u0131r<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bir pivot tablodaki NaN de\u011ferlerini s\u0131f\u0131rlarla de\u011fi\u015ftirmek i\u00e7in pandalarda fill_value arg\u00fcman\u0131n\u0131 kullanabilirsiniz. Bunu yapmak i\u00e7in a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullanabilirsiniz: p.d. pivot_table (df, values=&#8217; col1 &#8216;, index=&#8217; col2 &#8216;, columns=&#8217; col3 &#8216;, fill_value= 0 ) A\u015fa\u011f\u0131daki \u00f6rnek, bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir. \u00d6rnek: Pivot tablodaki NaN de\u011ferlerini s\u0131f\u0131rlarla de\u011fi\u015ftirin \u00c7e\u015fitli basketbol oyuncular\u0131 hakk\u0131nda bilgi i\u00e7eren [&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-3123","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: Pivot tablodaki NaN 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