{"id":2238,"date":"2023-07-23T03:12:45","date_gmt":"2023-07-23T03:12:45","guid":{"rendered":"https:\/\/statorials.org\/pt\/pandas-extraem-mes-da-data\/"},"modified":"2023-07-23T03:12:45","modified_gmt":"2023-07-23T03:12:45","slug":"pandas-extraem-mes-da-data","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pandas-extraem-mes-da-data\/","title":{"rendered":"Como extrair m\u00eas da data em pandas (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para extrair o m\u00eas de uma data no pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">month<\/span> '] = pd. <span style=\"color: #3366ff;\">DatetimeIndex<\/span> (df[' <span style=\"color: #ff0000;\">date_column<\/span> ']). <span style=\"color: #3366ff;\">month\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">O exemplo a seguir mostra como usar esta fun\u00e7\u00e3o na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo: extrair m\u00eas da data no Pandas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte 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\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">sales_date<\/span> ': ['2020-01-18', '2020-02-20', '2020-03-21'],\n                   ' <span style=\"color: #ff0000;\">total_sales<\/span> ': [675, 500, 575]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n   sales_date total_sales\n0 2020-01-18 675\n1 2020-02-20 500\n2 2020-03-21 575\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte sintaxe para criar uma nova coluna contendo o <strong>m\u00eas<\/strong> da coluna &#8216;data_vendas&#8217;:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#extract month as new column\n<span style=\"color: #000000;\">df[' <span style=\"color: #ff0000;\">month<\/span> '] = pd. <span style=\"color: #3366ff;\">DatetimeIndex<\/span> (df[' <span style=\"color: #ff0000;\">sales_date<\/span> ']). <span style=\"color: #3366ff;\">month\n<\/span>\n<span style=\"color: #008080;\">#view updated DataFrame<\/span>\n<span style=\"color: #008000;\">print<\/span> (df)\n\n\tsales_date total_sales month\n0 2020-01-18 675 1\n1 2020-02-20 500 2\n2 2020-03-21 575 3<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m podemos usar a seguinte sintaxe para criar uma nova coluna contendo o <strong>ano<\/strong> da coluna \u2018data_vendas\u2019:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#extract year as new column\n<span style=\"color: #000000;\">df[' <span style=\"color: #ff0000;\">year<\/span> '] = pd. <span style=\"color: #3366ff;\">DatetimeIndex<\/span> (df[' <span style=\"color: #ff0000;\">sales_date<\/span> ']). <span style=\"color: #3366ff;\">year\n\n<\/span><span style=\"color: #008080;\">#view updated DataFrame<\/span>\n<span style=\"color: #008000;\">print<\/span> (df)\n\n        sales_date total_sales month year\n0 2020-01-18 675 1 2020\n1 2020-02-20 500 2 2020\n2 2020-03-21 575 3 2020<\/span>\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que se houver valores NaN no DataFrame, esta fun\u00e7\u00e3o produzir\u00e1 automaticamente valores NaN para os valores correspondentes nas novas colunas de m\u00eas e ano.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Relacionado:<\/strong> <a href=\"https:\/\/statorials.org\/pt\/pandas-classifica-por-data\/\" target=\"_blank\" rel=\"noopener\">Como classificar um DataFrame do Pandas por data<\/a><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras opera\u00e7\u00f5es comuns em pandas:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/pandas-conta-valor-especifico-na-coluna\/\" target=\"_blank\" rel=\"noopener\">Pandas: como contar ocorr\u00eancias de valores espec\u00edficos em uma coluna<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-obtem-indice-de-linha\/\" target=\"_blank\" rel=\"noopener\">Pandas: obt\u00e9m o \u00edndice de linhas cuja coluna corresponde ao valor<\/a><br \/><a href=\"https:\/\/statorials.org\/pt\/pandas-contam-valores-faltantes\/\" target=\"_blank\" rel=\"noopener\">Pandas: Como contar valores ausentes no DataFrame<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para extrair o m\u00eas de uma data no pandas: df[&#8216; month &#8216;] = pd. DatetimeIndex (df[&#8216; date_column &#8216;]). month O exemplo a seguir mostra como usar esta fun\u00e7\u00e3o na pr\u00e1tica. Exemplo: extrair m\u00eas da data no Pandas Suponha que temos o seguinte DataFrame do pandas: import pandas as [&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-2238","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 extrair o m\u00eas da data no Pandas (com exemplos) - Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como extrair o m\u00eas de uma data 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\/pandas-extraem-mes-da-data\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como extrair o m\u00eas da data no Pandas (com exemplos) - Estatoriais\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como extrair o m\u00eas de uma data em um DataFrame do pandas, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/pandas-extraem-mes-da-data\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T03:12:45+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=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-extraem-mes-da-data\/\",\"url\":\"https:\/\/statorials.org\/pt\/pandas-extraem-mes-da-data\/\",\"name\":\"Como extrair o m\u00eas da data no Pandas (com exemplos) - Estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-23T03:12:45+00:00\",\"dateModified\":\"2023-07-23T03:12:45+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como extrair o m\u00eas de uma data em um DataFrame do pandas, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/pandas-extraem-mes-da-data\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/pandas-extraem-mes-da-data\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-extraem-mes-da-data\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como extrair m\u00eas da data em pandas (com exemplos)\"}]},{\"@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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