{"id":1948,"date":"2023-07-24T08:34:55","date_gmt":"2023-07-24T08:34:55","guid":{"rendered":"https:\/\/statorials.org\/tr\/pandalarda-yuzde-degisim\/"},"modified":"2023-07-24T08:34:55","modified_gmt":"2023-07-24T08:34:55","slug":"pandalarda-yuzde-degisim","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/pandalarda-yuzde-degisim\/","title":{"rendered":"Pandalarda y\u00fczde de\u011fi\u015fim nas\u0131l hesaplan\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Pandalarda de\u011ferler aras\u0131ndaki y\u00fczde de\u011fi\u015fimi hesaplamak i\u00e7in <strong>pct_change()<\/strong> fonksiyonunu kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate percent change between values in pandas Series<\/span>\ns. <span style=\"color: #3366ff;\">pct_change<\/span> ()\n\n<span style=\"color: #008080;\">#calculate percent change between rows in pandas DataFrame\n<\/span>df[' <span style=\"color: #ff0000;\">column_name<\/span> ']. <span style=\"color: #3366ff;\">pct_change<\/span> ()\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 1: Pandalar serisindeki y\u00fczde de\u011fi\u015fim<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, bir panda serisindeki de\u011ferler aras\u0131ndaki y\u00fczde de\u011fi\u015fimin nas\u0131l hesaplanaca\u011f\u0131n\u0131 g\u00f6sterir:<\/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;\">#create pandas Series<\/span>\ns = pd. <span style=\"color: #3366ff;\">Series<\/span> ([6, 14, 12, 18, 19])\n\n<span style=\"color: #008080;\">#calculate percent change between consecutive values<\/span>\ns. <span style=\"color: #3366ff;\">pct_change<\/span> () \n\n0 NaN\n1 1.333333\n2 -0.142857\n3 0.500000\n4 0.055556\ndtype:float64\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Bu de\u011ferlerin nas\u0131l hesapland\u0131\u011f\u0131 a\u015fa\u011f\u0131da a\u00e7\u0131klanm\u0131\u015ft\u0131r:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Dizin 1: (14 \u2013 6) \/ 6 = <strong>1,333333<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Dizin 2: (12 \u2013 14) \/ 14 = <strong>-.142857<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u0130ndeks 3: (18 \u2013 12) \/ 12 = <strong>0,5<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Dizin 4: (19 \u2013 18) \/ 18 = <strong>0,055556<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Farkl\u0131 aral\u0131klarla de\u011ferler aras\u0131ndaki y\u00fczde de\u011fi\u015fimi hesaplamak i\u00e7in <strong>d\u00f6nem<\/strong> ba\u011f\u0131ms\u0131z de\u011fi\u015fkenini de kullanabilece\u011finizi unutmay\u0131n:<\/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;\">#create pandas Series<\/span>\ns = pd. <span style=\"color: #3366ff;\">Series<\/span> ([6, 14, 12, 18, 19])\n\n<span style=\"color: #008080;\">#calculate percent change between values 2 positions apart<\/span>\ns. <span style=\"color: #3366ff;\">pct_change<\/span> (periods= <span style=\"color: #008000;\">2<\/span> ) \n\n0 NaN\n1 NaN\n2 1.000000\n3 0.285714\n4 0.583333\ndtype:float64<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Bu de\u011ferlerin nas\u0131l hesapland\u0131\u011f\u0131 a\u015fa\u011f\u0131da a\u00e7\u0131klanm\u0131\u015ft\u0131r:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Dizin 2: (12 \u2013 6) \/ 6 = <strong>1,000000<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Dizin 3: (18 \u2013 14) \/ 14 = <strong>0,285714<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Dizin 4: (19 \u2013 12) \/ 12 = <strong>0,583333<\/strong><\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 2: Pandalar DataFrame&#8217;deki y\u00fczde de\u011fi\u015fim<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, bir pandas DataFrame&#8217;de ard\u0131\u015f\u0131k sat\u0131rlar aras\u0131ndaki y\u00fczde de\u011fi\u015fimin nas\u0131l hesaplanaca\u011f\u0131n\u0131 g\u00f6sterir:<\/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>\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">period<\/span> ': [1, 2, 3, 4, 5],\n                   ' <span style=\"color: #ff0000;\">sales<\/span> ': [6, 7, 7, 9, 12]}) \n<\/span>\n<span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n        period sales\n0 1 6\n1 2 7\n2 3 7\n3 4 9\n4 5 12\n\n<span style=\"color: #008080;\">#calculate percent change between consecutive values in 'sales' column<\/span>\ndf[' <span style=\"color: #ff0000;\">sales_pct_change<\/span> '] = df[' <span style=\"color: #ff0000;\">sales<\/span> ']. <span style=\"color: #3366ff;\">pct_change<\/span> ()\n\n<span style=\"color: #008080;\">#view updated DataFrame<\/span>\ndf\n\n\tperiod sales sales_pct_change\n0 1 6 NaN\n1 2 7 0.166667\n2 3 7 0.000000\n3 4 9 0.285714\n4 5 12 0.333333\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Bu de\u011ferlerin nas\u0131l hesapland\u0131\u011f\u0131 a\u015fa\u011f\u0131da a\u00e7\u0131klanm\u0131\u015ft\u0131r:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Dizin 1: (7 \u2013 6) \/ 6 = <strong>0,166667<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Dizin 2: (7 \u2013 7) \/ 7 = <strong>0,000000<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Dizin 3: (9 \u2013 7) \/ 7 = <strong>0,285714<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Dizin 4: (12 \u2013 9) \/ 9 = <strong>0,333333<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\"><strong>pct_change()<\/strong> fonksiyonunun tam belgelerini <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.DataFrame.pct_change.html\" target=\"_blank\" rel=\"noopener\">burada<\/a> bulabilirsiniz.<\/span><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/tr\/ortalama-pandalar-sutunu\/\" target=\"_blank\" rel=\"noopener\">Pandalar&#8217;daki s\u00fctunlar\u0131n ortalamas\u0131 nas\u0131l hesaplan\u0131r?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/panda-medyani\/\" target=\"_blank\" rel=\"noopener\">Pandalarda medyan nas\u0131l hesaplan\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/kotu-yuvarlanan-pandalar\/\" target=\"_blank\" rel=\"noopener\">Pandalarda Hareketli Ortalama Nas\u0131l Hesaplan\u0131r?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/pandalar-korelasyon-yatagi\/\" target=\"_blank\" rel=\"noopener\">Pandalarda kayan korelasyon nas\u0131l hesaplan\u0131r<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pandalarda de\u011ferler aras\u0131ndaki y\u00fczde de\u011fi\u015fimi hesaplamak i\u00e7in pct_change() fonksiyonunu kullanabilirsiniz: #calculate percent change between values in pandas Series s. pct_change () #calculate percent change between rows in pandas DataFrame df[&#8216; column_name &#8216;]. pct_change () A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir. \u00d6rnek 1: Pandalar serisindeki y\u00fczde de\u011fi\u015fim A\u015fa\u011f\u0131daki kod, bir panda serisindeki de\u011ferler aras\u0131ndaki [&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-1948","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 y\u00fczde de\u011fi\u015fim nas\u0131l hesaplan\u0131r - Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, bir pandan\u0131n DataFrame&#039;indeki de\u011fi\u015fim y\u00fczdesinin nas\u0131l hesaplanaca\u011f\u0131 birka\u00e7 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