{"id":1947,"date":"2023-07-24T08:34:55","date_gmt":"2023-07-24T08:34:55","guid":{"rendered":"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/"},"modified":"2023-07-24T08:34:55","modified_gmt":"2023-07-24T08:34:55","slug":"mudanca-percentual-em-pandas","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/","title":{"rendered":"Como calcular a varia\u00e7\u00e3o percentual em pandas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a fun\u00e7\u00e3o <strong>pct_change()<\/strong> para calcular a varia\u00e7\u00e3o percentual entre valores em pandas:<\/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;\">Os exemplos a seguir mostram como usar esta fun\u00e7\u00e3o na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: varia\u00e7\u00e3o percentual na s\u00e9rie pandas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como calcular a varia\u00e7\u00e3o percentual entre valores em uma s\u00e9rie de pandas:<\/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;\">Veja como esses valores foram calculados:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u00cdndice 1: (14 \u2013 6) \/ 6 = <strong>1,333333<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u00cdndice 2: (12 \u2013 14) \/ 14 = <strong>-0,142857<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u00cdndice 3: (18 \u2013 12) \/ 12 = <strong>0,5<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u00cdndice 4: (19 \u2013 18) \/ 18 = <strong>0,055556<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Observe que voc\u00ea tamb\u00e9m pode usar o argumento <strong>de per\u00edodos<\/strong> para calcular a varia\u00e7\u00e3o percentual entre valores em intervalos diferentes:<\/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;\">Veja como esses valores foram calculados:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u00cdndice 2: (12 \u2013 6) \/ 6 = <strong>1,000000<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u00cdndice 3: (18 \u2013 14) \/ 14 = <strong>0,285714<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u00cdndice 4: (19 \u2013 12) \/ 12 = <strong>0,583333<\/strong><\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: altera\u00e7\u00e3o percentual no DataFrame do pandas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como calcular a varia\u00e7\u00e3o percentual entre linhas consecutivas em um DataFrame do pandas:<\/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;\">Veja como esses valores foram calculados:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u00cdndice 1: (7 \u2013 6) \/ 6 = <strong>0,166667<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u00cdndice 2: (7 \u2013 7) \/ 7 = <strong>0,000000<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u00cdndice 3: (9 \u2013 7) \/ 7 = <strong>0,285714<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">\u00cdndice 4: (12 \u2013 9) \/ 9 = <strong>0,333333<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Voc\u00ea pode encontrar a documenta\u00e7\u00e3o completa da fun\u00e7\u00e3o <strong>pct_change()<\/strong> <a href=\"https:\/\/pandas.pydata.org\/docs\/reference\/api\/pandas.DataFrame.pct_change.html\" target=\"_blank\" rel=\"noopener\">aqui<\/a> .<\/span><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/coluna-media-de-pandas\/\" target=\"_blank\" rel=\"noopener\">Como calcular a m\u00e9dia das colunas no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/mediana-do-panda\/\" target=\"_blank\" rel=\"noopener\">Como calcular a mediana em pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-rolantes-do-mal\/\" target=\"_blank\" rel=\"noopener\">Como calcular uma m\u00e9dia m\u00f3vel em Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/rolamento-de-correlacao-de-pandas\/\" target=\"_blank\" rel=\"noopener\">Como calcular a correla\u00e7\u00e3o deslizante em pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a fun\u00e7\u00e3o pct_change() para calcular a varia\u00e7\u00e3o percentual entre valores em pandas: #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 () Os exemplos a seguir mostram como usar esta fun\u00e7\u00e3o na pr\u00e1tica. Exemplo 1: varia\u00e7\u00e3o percentual na [&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-1947","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como calcular a varia\u00e7\u00e3o percentual em pandas - Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como calcular a varia\u00e7\u00e3o percentual em um DataFrame do pandas, com v\u00e1rios exemplos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como calcular a varia\u00e7\u00e3o percentual em pandas - Estatoriais\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como calcular a varia\u00e7\u00e3o percentual em um DataFrame do pandas, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T08:34:55+00:00\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/\",\"url\":\"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/\",\"name\":\"Como calcular a varia\u00e7\u00e3o percentual em pandas - Estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-24T08:34:55+00:00\",\"dateModified\":\"2023-07-24T08:34:55+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como calcular a varia\u00e7\u00e3o percentual em um DataFrame do pandas, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/mudanca-percentual-em-pandas\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como calcular a varia\u00e7\u00e3o percentual em pandas\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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