{"id":4156,"date":"2023-07-13T05:34:42","date_gmt":"2023-07-13T05:34:42","guid":{"rendered":"https:\/\/statorials.org\/pt\/pandas-comparam-datas\/"},"modified":"2023-07-13T05:34:42","modified_gmt":"2023-07-13T05:34:42","slug":"pandas-comparam-datas","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pandas-comparam-datas\/","title":{"rendered":"Como comparar datas em pandas: com exemplos"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar os seguintes m\u00e9todos para comparar datas entre duas colunas em um DataFrame do pandas:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: Adicione uma nova coluna ao DataFrame que exibe a compara\u00e7\u00e3o de datas<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">met_due_date<\/span> '] = df[' <span style=\"color: #ff0000;\">comp_date<\/span> '] <span style=\"color: #800080;\">&lt;<\/span> df[' <span style=\"color: #ff0000;\">due_date<\/span> ']\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este exemplo espec\u00edfico adiciona uma nova coluna chamada <strong>met_due_date<\/strong> que retorna True ou False dependendo se a data na coluna <strong>comp_date<\/strong> \u00e9 anterior \u00e0 data na coluna <strong>due_date<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: Filtrar o DataFrame com base na compara\u00e7\u00e3o de datas<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df_met_due_date = df[df[' <span style=\"color: #ff0000;\">comp_date<\/span> '] <span style=\"color: #800080;\">&lt;<\/span> df[' <span style=\"color: #ff0000;\">due_date<\/span> ']]<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este exemplo espec\u00edfico filtra o DataFrame para manter apenas as linhas cuja data na coluna <strong>comp_date<\/strong> \u00e9 anterior \u00e0 data na coluna <strong>due_date<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada um desses m\u00e9todos na pr\u00e1tica com 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;\">task<\/span> ': ['A', 'B', 'C', 'D'],\n                   ' <span style=\"color: #ff0000;\">due_date<\/span> ': ['4-15-2022', '5-19-2022', '6-14-2022', '10-24-2022'],\n                   ' <span style=\"color: #ff0000;\">comp_date<\/span> ': ['4-14-2022', '5-23-2022', '6-24-2022', '10-7-2022']})\n\n<span style=\"color: #008080;\">#convert due_date and comp_date columns to datetime format\n<\/span>df[[' <span style=\"color: #ff0000;\">due_date<\/span> ', ' <span style=\"color: #ff0000;\">comp_date<\/span> ']] = df[[' <span style=\"color: #ff0000;\">due_date<\/span> ', ' <span style=\"color: #ff0000;\">comp_date<\/span> ']]. <span style=\"color: #3366ff;\">apply<\/span> (pd. <span style=\"color: #3366ff;\">to_datetime<\/span> )\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  task due_date comp_date\n0 A 2022-04-15 2022-04-14\n1 B 2022-05-19 2022-05-23\n2 C 2022-06-14 2022-06-24\n3 D 2022-10-24 2022-10-07<\/span><\/span><\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 1: Adicione uma nova coluna ao DataFrame que exibe a compara\u00e7\u00e3o de datas<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como adicionar uma nova coluna chamada <strong>met_due_date<\/strong> que retorna True ou False dependendo se a data na coluna <strong>comp_date<\/strong> \u00e9 anterior \u00e0 data na coluna <strong>due_date<\/strong> .<\/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;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create new column that shows if completion date is before due date\n<\/span>df[' <span style=\"color: #ff0000;\">met_due_date<\/span> '] = df[' <span style=\"color: #ff0000;\">comp_date<\/span> '] <span style=\"color: #800080;\">&lt;<\/span> df[' <span style=\"color: #ff0000;\">due_date<\/span> ']\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  task due_date comp_date met_due_date\n0 A 2022-04-15 2022-04-14 True\n1 B 2022-05-19 2022-05-23 False\n2 C 2022-06-14 2022-06-24 False\n3 D 2022-10-24 2022-10-07 True\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Para cada linha no DataFrame, a nova coluna <strong>met_due_date<\/strong> indica se a data na coluna <strong>comp_date<\/strong> \u00e9 anterior \u00e0 data na coluna <strong>due_date<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, podemos ver que a Tarefa A tinha data de vencimento em 15\/04\/2022 e data de conclus\u00e3o em 14\/04\/2022.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Como a data de conclus\u00e3o foi anterior \u00e0 data de vencimento, o valor da coluna <strong>met_due_date<\/strong> \u00e9 True.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 2: Filtre o DataFrame com base na compara\u00e7\u00e3o de datas<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como filtrar o DataFrame para conter apenas linhas cuja data na coluna <strong>comp_date<\/strong> seja anterior \u00e0 data na coluna <strong>due_date<\/strong> .<\/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<span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">\n#filter for rows where completion date is before due date\n<\/span>df_met_due_date = df[df[' <span style=\"color: #ff0000;\">comp_date<\/span> '] <span style=\"color: #800080;\">&lt;<\/span> df[' <span style=\"color: #ff0000;\">due_date<\/span> ']]\n\n<span style=\"color: #008080;\">#view results\n<\/span><span style=\"color: #008000;\">print<\/span> (df_met_due_date)\n\n  task due_date comp_date\n0 A 2022-04-15 2022-04-14\n3 D 2022-10-24 2022-10-07<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">O novo DataFrame foi filtrado para conter apenas linhas cuja data na coluna <strong>comp_date<\/strong> seja anterior \u00e0 data na coluna <strong>due_date<\/strong> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h2>\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\/intervalo-de-datas-do-panda\/\" target=\"_blank\" rel=\"noopener\">Como criar um intervalo de datas no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/data-e-hora-do-pandas\/\" target=\"_blank\" rel=\"noopener\">Como converter carimbo de data\/hora em data\/hora no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/diferenca-de-data-dos-pandas\/\" target=\"_blank\" rel=\"noopener\">Como calcular a diferen\u00e7a entre duas datas em pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar os seguintes m\u00e9todos para comparar datas entre duas colunas em um DataFrame do pandas: M\u00e9todo 1: Adicione uma nova coluna ao DataFrame que exibe a compara\u00e7\u00e3o de datas df[&#8216; met_due_date &#8216;] = df[&#8216; comp_date &#8216;] &lt; df[&#8216; due_date &#8216;] Este exemplo espec\u00edfico adiciona uma nova coluna chamada met_due_date que retorna True ou [&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-4156","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 comparar datas em Pandas (com exemplos) - Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como comparar datas 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-comparam-datas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como comparar datas em Pandas (com exemplos) - Estatoriais\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como comparar datas em um DataFrame do pandas, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/pandas-comparam-datas\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-13T05:34:42+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=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-comparam-datas\/\",\"url\":\"https:\/\/statorials.org\/pt\/pandas-comparam-datas\/\",\"name\":\"Como comparar datas em Pandas (com exemplos) - Estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-13T05:34:42+00:00\",\"dateModified\":\"2023-07-13T05:34:42+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como comparar datas em um DataFrame do pandas, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/pandas-comparam-datas\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/pandas-comparam-datas\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-comparam-datas\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como comparar datas 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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