{"id":3529,"date":"2023-07-17T00:25:03","date_gmt":"2023-07-17T00:25:03","guid":{"rendered":"https:\/\/statorials.org\/tr\/pandalar-maksimuma-cikiyor\/"},"modified":"2023-07-17T00:25:03","modified_gmt":"2023-07-17T00:25:03","slug":"pandalar-maksimuma-cikiyor","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/pandalar-maksimuma-cikiyor\/","title":{"rendered":"Pandalarda kayan maksimum nas\u0131l hesaplan\u0131r (\u00f6rneklerle)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Bir pandas DataFrame&#8217;de d\u00f6nen maksimum de\u011feri hesaplamak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Y\u00f6ntem 1: kayan maksimumu hesaplay\u0131n<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">rolling_max<\/span> '] = df. <span style=\"color: #3366ff;\">values_column<\/span> . <span style=\"color: #3366ff;\">cummax<\/span> ()<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Y\u00f6ntem 2: grup ba\u015f\u0131na kayan maksimumu hesaplay\u0131n<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">rolling_max<\/span> '] = df. <span style=\"color: #3366ff;\">groupby<\/span> (' <span style=\"color: #ff0000;\">group_column<\/span> '). <span style=\"color: #3366ff;\">values_column<\/span> . <span style=\"color: #3366ff;\">cummax<\/span> ()\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnekler her y\u00f6ntemin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\u00d6rnek 1: kayan maksimumu hesaplay\u0131n<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Bir ma\u011fazada her g\u00fcn yap\u0131lan sat\u0131\u015flar\u0131 g\u00f6steren a\u015fa\u011f\u0131daki panda 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<\/span>\ndf = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">day<\/span> ': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],\n                   ' <span style=\"color: #ff0000;\">sales<\/span> ': [4, 6, 5, 8, 14, 13, 13, 12, 9, 8, 19, 14]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n    day sales\n0 1 4\n1 2 6\n2 3 5\n3 4 8\n4 5 14\n5 6 13\n6 7 13\n7 8 12\n8 9 9\n9 10 8\n10 11 19\n11 12 14\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Toplam maksimum sat\u0131\u015f de\u011ferini g\u00f6r\u00fcnt\u00fcleyen yeni bir s\u00fctun olu\u015fturmak i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#add column that displays rolling maximum of sales\n<\/span>df[' <span style=\"color: #ff0000;\">rolling_max<\/span> '] = df. <span style=\"color: #3366ff;\">dirty<\/span> . <span style=\"color: #3366ff;\">cummax<\/span> ()\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n    day sales rolling_max\n0 1 4 4\n1 2 6 6\n2 3 5 6\n3 4 8 8\n4 5 14 14\n5 6 13 14\n6 7 13 14\n7 8 12 14\n8 9 9 14\n9 10 8 14\n10 11 19 19\n11 12 14 19<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Rolling_max<\/strong> ba\u015fl\u0131kl\u0131 yeni s\u00fctun, sat\u0131\u015flar\u0131n yuvarlanan maksimum de\u011ferini g\u00f6r\u00fcnt\u00fcler.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\u00d6rnek 2:<\/strong><\/span> <span style=\"color: #000000;\"><strong>grup ba\u015f\u0131na kayan maksimumu hesaplay\u0131n<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Diyelim ki iki farkl\u0131 ma\u011fazada her g\u00fcn yap\u0131lan sat\u0131\u015flar\u0131 g\u00f6steren a\u015fa\u011f\u0131daki panda DataFrame&#8217;imiz var:<\/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<\/span>\ndf = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">store<\/span> ': ['A', 'A', 'A', 'A', 'A', 'A',\n                             'B', 'B', 'B', 'B', 'B', 'B'],\n                   ' <span style=\"color: #ff0000;\">day<\/span> ': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],\n                   ' <span style=\"color: #ff0000;\">sales<\/span> ': [4, 6, 5, 8, 14, 13, 13, 12, 9, 8, 19, 14]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n   store day sales\n0 to 1 4\n1 to 2 6\n2 to 3 5\n3 to 4 8\n4 to 5 14\n5 to 6 13\n6 B 7 13\n7 B 8 12\n8 B 9 9\n9 B 10 8\n10 B 11 19\n11 B 12 14\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ma\u011fazaya g\u00f6re grupland\u0131r\u0131lm\u0131\u015f toplam maksimum sat\u0131\u015f de\u011ferini g\u00f6r\u00fcnt\u00fcleyen yeni bir s\u00fctun olu\u015fturmak i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#add column that displays rolling maximum of sales grouped by store\n<\/span>df[' <span style=\"color: #ff0000;\">rolling_max<\/span> '] = df. <span style=\"color: #3366ff;\">groupby<\/span> (' <span style=\"color: #ff0000;\">store<\/span> '). <span style=\"color: #3366ff;\">dirty<\/span> . <span style=\"color: #3366ff;\">cummax<\/span> ()\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n   store day sales rolling_max\n0 A 1 4 4\n1 to 2 6 6\n2 to 3 5 6\n3 to 4 8 8\n4 to 5 14 14\n5 to 6 13 14\n6 B 7 13 13\n7 B 8 12 13\n8 B 9 9 13\n9 B 10 8 13\n10 B 11 19 19\n11 B 12 14 19<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Rolling_max<\/strong> ba\u015fl\u0131kl\u0131 yeni s\u00fctun, sat\u0131\u015flar\u0131n ma\u011fazaya g\u00f6re grupland\u0131r\u0131lm\u0131\u015f maksimum de\u011ferini g\u00f6r\u00fcnt\u00fcler.<\/span><\/p>\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 yayg\u0131n i\u015flemlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/tr\/pandalar-kosullu-satirlari-birakir\/\" target=\"_blank\" rel=\"noopener\">Pandas DataFrame&#8217;deki sat\u0131rlar duruma g\u00f6re nas\u0131l silinir<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/pandalar-birden-fazla-kosulu-filtreler\/\" target=\"_blank\" rel=\"noopener\">Pandas DataFrame&#8217;i birden \u00e7ok ko\u015fulda filtreleme<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/pandalar-yok\/\" target=\"_blank\" rel=\"noopener\">Pandas DataFrame&#8217;de \u201cDE\u011e\u0130L\u201d filtresi nas\u0131l kullan\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bir pandas DataFrame&#8217;de d\u00f6nen maksimum de\u011feri hesaplamak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz: Y\u00f6ntem 1: kayan maksimumu hesaplay\u0131n df[&#8216; rolling_max &#8216;] = df. values_column . cummax () Y\u00f6ntem 2: grup ba\u015f\u0131na kayan maksimumu hesaplay\u0131n df[&#8216; rolling_max &#8216;] = df. groupby (&#8216; group_column &#8216;). values_column . cummax () A\u015fa\u011f\u0131daki \u00f6rnekler her y\u00f6ntemin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir. \u00d6rnek 1: [&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-3529","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>Pandalarda kayan maksimum nas\u0131l hesaplan\u0131r (\u00f6rneklerle) - Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde pandalarda hareketli maksimum de\u011ferin nas\u0131l hesaplanaca\u011f\u0131 \u00e7e\u015fitli \u00f6rneklerle a\u00e7\u0131klanmaktad\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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