{"id":1517,"date":"2023-07-26T01:39:06","date_gmt":"2023-07-26T01:39:06","guid":{"rendered":"https:\/\/statorials.org\/tr\/pandalardaki-iki-sutunu-karsilastir\/"},"modified":"2023-07-26T01:39:06","modified_gmt":"2023-07-26T01:39:06","slug":"pandalardaki-iki-sutunu-karsilastir","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/pandalardaki-iki-sutunu-karsilastir\/","title":{"rendered":"Pandalarda i\u0307ki s\u00fctun nas\u0131l kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131r: \u00f6rneklerle"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c7o\u011fu zaman bir Pandas DataFrame&#8217;deki iki s\u00fctunu kar\u015f\u0131la\u015ft\u0131rmak ve kar\u015f\u0131la\u015ft\u0131rma sonu\u00e7lar\u0131n\u0131 \u00fc\u00e7\u00fcnc\u00fc bir s\u00fctuna yazmak isteyebilirsiniz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki s\u00f6zdizimini kullanarak bunu kolayca yapabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>conditions=[(condition1),(condition2)]\nchoices=[\" <span style=\"color: #008000;\">choice1<\/span> \",\" <span style=\"color: #008000;\">choice2<\/span> \"]\n\ndf[\" <span style=\"color: #008000;\">new_column_name<\/span> \"]=np. <span style=\"color: #3366ff;\">select<\/span> (conditions, choices, default)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u0130\u015fte bu kodun yapt\u0131\u011f\u0131 \u015fey:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>ko\u015fullar<\/strong> iki s\u00fctun aras\u0131nda kontrol edilecek ko\u015fullard\u0131r<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>se\u00e7imler<\/strong> ko\u015fullara g\u00f6re d\u00f6nd\u00fcr\u00fclecek sonu\u00e7lard\u0131r<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>np.select,<\/strong> sonu\u00e7lar\u0131 yeni s\u00fctunda d\u00f6nd\u00fcrmek i\u00e7in kullan\u0131l\u0131r<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnekte bu kodun pratikte nas\u0131l kullan\u0131laca\u011f\u0131 g\u00f6sterilmektedir.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\u00d6rnek: Pandalar&#8217;daki iki s\u00fctunu kar\u015f\u0131la\u015ft\u0131r\u0131n<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\u0130ki futbol tak\u0131m\u0131n\u0131n be\u015f farkl\u0131 ma\u00e7ta att\u0131\u011f\u0131 gol say\u0131s\u0131n\u0131 g\u00f6steren a\u015fa\u011f\u0131daki 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> numpy <span style=\"color: #008000;\">as<\/span> np\n<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: #008000;\">A_points<\/span> ': [1, 3, 3, 3, 5],\n                   ' <span style=\"color: #008000;\">B_points<\/span> ': [4, 5, 2, 3, 2]})\n             \n<span style=\"color: #008080;\">#view DataFrame      \n<\/span>df\n\n          A_points B_points\n0 1 4\n1 3 5\n2 3 2\n3 3 3\n4 5 2\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Sat\u0131r ba\u015f\u0131na gol say\u0131s\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131rmak ve ma\u00e7\u0131n galibini \u00fc\u00e7\u00fcnc\u00fc bir s\u00fctunda g\u00f6r\u00fcnt\u00fclemek i\u00e7in a\u015fa\u011f\u0131daki kodu kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define conditions<\/span>\nconditions = [df[' <span style=\"color: #008000;\">A_points<\/span> '] &gt; df[' <span style=\"color: #008000;\">B_points<\/span> '], \n              df[' <span style=\"color: #008000;\">A_points<\/span> '] &lt; df[' <span style=\"color: #008000;\">B_points<\/span> ']]\n\n<span style=\"color: #008080;\">#define choices\n<\/span>choices = [' <span style=\"color: #008000;\">A<\/span> ', ' <span style=\"color: #008000;\">B<\/span> ']\n\n<span style=\"color: #008080;\">#create new column in DataFrame that displays results of comparisons\n<\/span>df[' <span style=\"color: #008000;\">winner<\/span> '] = np. <span style=\"color: #3366ff;\">select<\/span> (conditions, choices, default=' <span style=\"color: #008000;\">Tie<\/span> ')\n\n<span style=\"color: #008080;\">#view the DataFrame\n<\/span>df\n\n          A_points B_points winner\n0 1 4 B\n1 3 5 B\n2 3 2 A\n3 3 3 Tie\n4 5 2 A<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kar\u015f\u0131la\u015ft\u0131rma sonu\u00e7lar\u0131 <em>kazanan<\/em> ad\u0131 verilen yeni s\u00fctunda g\u00f6r\u00fcnt\u00fclenir.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Yorumlar<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Bir pandan\u0131n DataFrame&#8217;indeki iki s\u00fctunu kar\u015f\u0131la\u015ft\u0131r\u0131rken ak\u0131lda tutulmas\u0131 gereken birka\u00e7 nokta \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Ko\u015fullar\u0131n<\/strong> ve <strong>se\u00e7eneklerin<\/strong> say\u0131s\u0131 e\u015fit olmal\u0131d\u0131r.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Varsay\u0131lan,<\/strong> ko\u015fullardan hi\u00e7biri kar\u015f\u0131lanmad\u0131\u011f\u0131nda yeni s\u00fctunda g\u00f6r\u00fcnt\u00fclenecek de\u011feri belirtir.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Bu kodun \u00e7al\u0131\u015fmas\u0131 i\u00e7in <strong>NumPy<\/strong> ve <strong>Pandalar<\/strong> gereklidir.<\/span><\/li>\n<\/ul>\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-sutunlari-yeniden-adlandirir\/\" target=\"_blank\" rel=\"noopener\">Pandalar&#8217;da s\u00fctunlar nas\u0131l yeniden adland\u0131r\u0131l\u0131r?<\/a><br \/> Pandas DataFrame&#8217;e s\u00fctun nas\u0131l eklenir<br \/> <a href=\"https:\/\/statorials.org\/tr\/pandalar-sutunlarin-sirasini-degistirir\/\" target=\"_blank\" rel=\"noopener\">Pandas DataFrame&#8217;de s\u00fctun s\u0131ras\u0131 nas\u0131l de\u011fi\u015ftirilir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c7o\u011fu zaman bir Pandas DataFrame&#8217;deki iki s\u00fctunu kar\u015f\u0131la\u015ft\u0131rmak ve kar\u015f\u0131la\u015ft\u0131rma sonu\u00e7lar\u0131n\u0131 \u00fc\u00e7\u00fcnc\u00fc bir s\u00fctuna yazmak isteyebilirsiniz. A\u015fa\u011f\u0131daki s\u00f6zdizimini kullanarak bunu kolayca yapabilirsiniz: conditions=[(condition1),(condition2)] choices=[&#8221; choice1 &#8220;,&#8221; choice2 &#8220;] df[&#8221; new_column_name &#8220;]=np. select (conditions, choices, default) \u0130\u015fte bu kodun yapt\u0131\u011f\u0131 \u015fey: ko\u015fullar iki s\u00fctun aras\u0131nda kontrol edilecek ko\u015fullard\u0131r se\u00e7imler ko\u015fullara g\u00f6re d\u00f6nd\u00fcr\u00fclecek sonu\u00e7lard\u0131r np.select, sonu\u00e7lar\u0131 yeni [&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-1517","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&#039;da iki 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