{"id":977,"date":"2023-07-28T03:11:49","date_gmt":"2023-07-28T03:11:49","guid":{"rendered":"https:\/\/statorials.org\/tr\/tek-pandalar-birden-fazla-sutun\/"},"modified":"2023-07-28T03:11:49","modified_gmt":"2023-07-28T03:11:49","slug":"tek-pandalar-birden-fazla-sutun","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/tek-pandalar-birden-fazla-sutun\/","title":{"rendered":"Pandas&#39;ta birden \u00e7ok s\u00fctunda benzersiz de\u011ferler nas\u0131l bulunur?"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Genellikle bir pandas DataFrame&#8217;de birden fazla s\u00fctundaki t\u00fcm benzersiz de\u011ferleri bulmak isteyebilirsiniz. Neyse ki, pandas <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.unique.html\" target=\"_blank\" rel=\"noopener noreferrer\">Unique()<\/a> i\u015flevini <a href=\"https:\/\/pandas.pydata.org\/pandas-docs\/stable\/reference\/api\/pandas.Series.ravel.html\" target=\"_blank\" rel=\"noopener noreferrer\">ravel()<\/a> i\u015fleviyle birle\u015ftirerek bunu yapmak kolayd\u0131r:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>benzersiz()<\/strong> : g\u00f6r\u00fcn\u00fcm s\u0131ras\u0131na g\u00f6re benzersiz de\u011ferler d\u00f6nd\u00fcr\u00fcr.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>ravel():<\/strong> bir dizi d\u00fczle\u015ftirilmi\u015f veri d\u00f6nd\u00fcr\u00fcr.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, a\u015fa\u011f\u0131daki pandalara sahip oldu\u011fumuzu varsayal\u0131m DataFrame:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> pandas <span style=\"color: #107d3f;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame<\/span>\ndf = pd.DataFrame({'col1': ['a', 'b', 'c', 'd', 'e'],\n                   'col2': ['a', 'c', 'e', 'f', 'g'],\n                   'col3': [11, 8, 10, 6, 6]})\n\n<span style=\"color: #008080;\">#view DataFrame<\/span> \nprint(df)\n\n  col1 col2 col3\n0 aa 11\n1 bc 8\n2 this 10\n3 df 6\n4 eg 6\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Benzersiz de\u011ferlerin bir dizisini d\u00f6nd\u00fcr\u00fcr<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod <strong>col1<\/strong> ve <strong>col2&#8217;de<\/strong> benzersiz de\u011ferlerin nas\u0131l bulunaca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>p.d. <span style=\"color: #3366ff;\">unique<\/span> (df[[' <span style=\"color: #008000;\">col1<\/span> ', ' <span style=\"color: #008000;\">col2<\/span> ']]. <span style=\"color: #3366ff;\">values<\/span> . <span style=\"color: #3366ff;\">ravel<\/span> ())\n\narray(['a', 'b', 'c', 'e', 'd', 'f', 'g'], dtype=object)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Sonu\u00e7tan bu iki s\u00fctunda <strong>7<\/strong> benzersiz de\u011ferin oldu\u011funu g\u00f6rebiliriz: <strong>a, b, c, d, e, f, g<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Benzersiz de\u011ferlerin DataFrame&#8217;ini d\u00f6nd\u00fcr<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Bu de\u011ferleri dizi yerine DataFrame olarak d\u00f6nd\u00fcrmek istiyorsan\u0131z a\u015fa\u011f\u0131daki kodu kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>unique = pd. <span style=\"color: #3366ff;\">unique<\/span> (df[[' <span style=\"color: #008000;\">col1<\/span> ', ' <span style=\"color: #008000;\">col2<\/span> ']]. <span style=\"color: #3366ff;\">values<\/span> . <span style=\"color: #3366ff;\">ravel<\/span> ())\n\np.d. <span style=\"color: #3366ff;\">DataFrame<\/span> (unique)\n\n\t0\n0 a\n1b\n2 tbsp\n3rd\n4 d\n5f\n6g\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Benzersiz de\u011ferlerin say\u0131s\u0131n\u0131 d\u00f6nd\u00fcr\u00fcr<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Birden fazla s\u00fctundaki benzersiz de\u011ferlerin say\u0131s\u0131n\u0131 bilmek istiyorsan\u0131z a\u015fa\u011f\u0131daki kodu kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>unique = pd. <span style=\"color: #3366ff;\">unique<\/span> (df[[' <span style=\"color: #008000;\">col1<\/span> ', ' <span style=\"color: #008000;\">col2<\/span> ']]. <span style=\"color: #3366ff;\">values<\/span> . <span style=\"color: #3366ff;\">ravel<\/span> ())\n\n<span style=\"color: #3366ff;\">len<\/span> (unique)\n7<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Bu bize bu iki s\u00fctunda <strong>7<\/strong> benzersiz de\u011ferin oldu\u011funu anlat\u0131r.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/tr\/pandalar-birden-fazla-sutunu-birlestirir\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pandas DataFrames&#8217;\u0131 birden \u00e7ok s\u00fctunda birle\u015ftirme<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/pandalar-birden-fazla-kosulu-filtreler\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pandas DataFrame&#8217;i birden \u00e7ok ko\u015fulda filtreleme<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Genellikle bir pandas DataFrame&#8217;de birden fazla s\u00fctundaki t\u00fcm benzersiz de\u011ferleri bulmak isteyebilirsiniz. Neyse ki, pandas Unique() i\u015flevini ravel() i\u015fleviyle birle\u015ftirerek bunu yapmak kolayd\u0131r: benzersiz() : g\u00f6r\u00fcn\u00fcm s\u0131ras\u0131na g\u00f6re benzersiz de\u011ferler d\u00f6nd\u00fcr\u00fcr. ravel(): bir dizi d\u00fczle\u015ftirilmi\u015f veri d\u00f6nd\u00fcr\u00fcr. \u00d6rne\u011fin, a\u015fa\u011f\u0131daki pandalara sahip oldu\u011fumuzu varsayal\u0131m DataFrame: import pandas as pd #createDataFrame df = pd.DataFrame({&#8216;col1&#8217;: [&#8216;a&#8217;, &#8216;b&#8217;, &#8216;c&#8217;, [&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-977","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>Pandas 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