{"id":2196,"date":"2023-07-23T07:28:50","date_gmt":"2023-07-23T07:28:50","guid":{"rendered":"https:\/\/statorials.org\/pt\/pandas-converte-coluna-em-int\/"},"modified":"2023-07-23T07:28:50","modified_gmt":"2023-07-23T07:28:50","slug":"pandas-converte-coluna-em-int","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pandas-converte-coluna-em-int\/","title":{"rendered":"Como converter colunas pandas dataframe em int"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe para converter uma coluna de um DataFrame do pandas em um tipo inteiro:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df[' <span style=\"color: #ff0000;\">col1<\/span> '] = df[' <span style=\"color: #ff0000;\">col1<\/span> ']. <span style=\"color: #3366ff;\">astype<\/span> (int)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar essa sintaxe na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Converter uma coluna em inteiro<\/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;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">player<\/span> ': ['A', 'B', 'C', 'D', 'E'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': ['25', '20', '14', '16', '27'],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': ['5', '7', '7', '8', '11']})\n\n<span style=\"color: #008080;\">#view data types for each column\n<\/span>df. <span style=\"color: #3366ff;\">dtypes\n\n<span style=\"color: #000000;\">player object\npoints object\nassists object\ndtype:object\n<\/span><\/span><\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos ver que nenhuma das colunas possui atualmente um tipo de dados inteiro.<\/span><\/p>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como converter a coluna &#8220;pontos&#8221; do DataFrame em um tipo inteiro:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert 'points' column to integer\n<span style=\"color: #000000;\">df[' <span style=\"color: #ff0000;\">points<\/span> '] = df[' <span style=\"color: #ff0000;\">points<\/span> ']. <span style=\"color: #3366ff;\">astype<\/span> (int)\n\n<span style=\"color: #008080;\">#view data types of each column\n<\/span>df. <span style=\"color: #3366ff;\">dtypes<\/span>\n\nplayer object\nint64 dots\nassists object\ndtype:object\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos ver que a coluna \u201cpontos\u201d agora \u00e9 um n\u00famero inteiro, enquanto todas as outras colunas permaneceram inalteradas.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Converter m\u00faltiplas colunas em n\u00fameros inteiros<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como converter v\u00e1rias colunas de um DataFrame em um n\u00famero inteiro:<\/span><\/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;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">player<\/span> ': ['A', 'B', 'C', 'D', 'E'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': ['25', '20', '14', '16', '27'],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': ['5', '7', '7', '8', '11']})\n\n<span style=\"color: #008080;\">#convert 'points' and 'assists' columns to integer<\/span>\ndf[[' <span style=\"color: #ff0000;\">points<\/span> ', ' <span style=\"color: #ff0000;\">assists<\/span> ']] = df[[' <span style=\"color: #ff0000;\">points<\/span> ', ' <span style=\"color: #ff0000;\">assists<\/span> ']]. <span style=\"color: #3366ff;\">astype<\/span> (int)\n\n<span style=\"color: #008080;\">#view data types for each column\n<\/span>df. <span style=\"color: #3366ff;\">dtypes\n\n<span style=\"color: #000000;\">player object\nint64 dots\nassists int64\ndtype:object<\/span><\/span><\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos ver que as colunas \u201cpontos\u201d e \u201cpasses\u201d foram convertidas para n\u00fameros inteiros enquanto a coluna \u201cjogador\u201d permanece inalterada.<\/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 convers\u00f5es comuns em Python:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/pandas-em-corda\/\" target=\"_blank\" rel=\"noopener\">Como converter colunas Pandas DataFrame em strings<\/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\/converter-data-e-hora-em-data-pandas\/\" target=\"_blank\" rel=\"noopener\">Como converter DateTime em data no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/converter-uma-string-em-pandas-flutuantes\/\" target=\"_blank\" rel=\"noopener\">Como converter string em float no Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe para converter uma coluna de um DataFrame do pandas em um tipo inteiro: df[&#8216; col1 &#8216;] = df[&#8216; col1 &#8216;]. astype (int) Os exemplos a seguir mostram como usar essa sintaxe na pr\u00e1tica. Exemplo 1: Converter uma coluna em inteiro Suponha que temos o seguinte DataFrame do pandas: import [&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-2196","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 converter colunas Pandas DataFrame em int - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como converter colunas Pandas DataFrame em tipo inteiro, 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-converte-coluna-em-int\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como converter colunas Pandas DataFrame em int - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como converter colunas Pandas DataFrame em tipo inteiro, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/pandas-converte-coluna-em-int\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T07:28:50+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\/pandas-converte-coluna-em-int\/\",\"url\":\"https:\/\/statorials.org\/pt\/pandas-converte-coluna-em-int\/\",\"name\":\"Como converter colunas Pandas DataFrame em int - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-23T07:28:50+00:00\",\"dateModified\":\"2023-07-23T07:28:50+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como converter colunas Pandas DataFrame em tipo inteiro, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/pandas-converte-coluna-em-int\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/pandas-converte-coluna-em-int\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-converte-coluna-em-int\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como converter colunas pandas dataframe em int\"}]},{\"@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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