{"id":2576,"date":"2023-07-21T16:06:41","date_gmt":"2023-07-21T16:06:41","guid":{"rendered":"https:\/\/statorials.org\/pt\/pandas-drop-duplica-multiplas-colunas\/"},"modified":"2023-07-21T16:06:41","modified_gmt":"2023-07-21T16:06:41","slug":"pandas-drop-duplica-multiplas-colunas","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pandas-drop-duplica-multiplas-colunas\/","title":{"rendered":"Pandas: como remover duplicatas em m\u00faltiplas colunas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar os seguintes m\u00e9todos para remover linhas duplicadas em v\u00e1rias colunas em um DataFrame do pandas:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: remover duplicatas em todas as colunas<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">drop_duplicates<\/span> ()\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: remover duplicatas em colunas espec\u00edficas<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">drop_duplicates<\/span> ([' <span style=\"color: #ff0000;\">column1<\/span> ',' <span style=\"color: #ff0000;\">column3<\/span> '])<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada m\u00e9todo na pr\u00e1tica com o seguinte DataFrame do pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> pandas <span style=\"color: #107d3f;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">region<\/span> ': ['East', 'East', 'East', 'West', 'West', 'West'],\n                   ' <span style=\"color: #ff0000;\">store<\/span> ': [1, 1, 2, 1, 2, 2],\n                   ' <span style=\"color: #ff0000;\">sales<\/span> ': [5, 5, 7, 9, 12, 8]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  region store sales\n0 East 1 5\n1 East 1 5\n2 East 2 7\n3 West 1 9\n4 West 2 12\n5 West 2 8<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Remover duplicatas em todas as colunas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como remover linhas com valores duplicados em todas as colunas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#drop rows that have duplicate values across all columns\n<\/span>df. <span style=\"color: #3366ff;\">drop_duplicates<\/span> ()\n\n\tregion store sales\n0 East 1 5\n2 East 2 7\n3 West 1 9\n4 West 2 12\n5 West 2 8\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">A linha na posi\u00e7\u00e3o 1 do \u00edndice tinha os mesmos valores em todas as colunas que a linha na posi\u00e7\u00e3o 0 do \u00edndice, por isso foi removida do DataFrame.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por padr\u00e3o, o pandas mant\u00e9m a primeira linha como duplicada. No entanto, voc\u00ea pode usar o argumento <strong>keep<\/strong> para especificar a manuten\u00e7\u00e3o da \u00faltima linha duplicada:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#drop rows that have duplicate values across all columns (keep last duplicate)\n<\/span>df. <span style=\"color: #3366ff;\">drop_duplicates<\/span> (keep=' <span style=\"color: #ff0000;\">last<\/span> ')\n\n\tregion store sales\n1 East 1 5\n2 East 2 7\n3 West 1 9\n4 West 2 12\n5 West 2 8<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Remover duplicatas em colunas espec\u00edficas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Voc\u00ea pode usar o c\u00f3digo a seguir para remover linhas com valores duplicados apenas na <strong>regi\u00e3o<\/strong> e <strong>armazenar<\/strong> colunas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#drop rows that have duplicate values across region and store columns\n<\/span>df. <span style=\"color: #3366ff;\">drop_duplicates<\/span> ([' <span style=\"color: #ff0000;\">region<\/span> ',' <span style=\"color: #ff0000;\">store<\/span> '])\n\n\tregion store sales\n0 East 1 5\n2 East 2 7\n3 West 1 9\n4 West 2 12\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">No total, duas linhas foram removidas do DataFrame porque continham valores duplicados nas colunas <strong>Regi\u00e3o<\/strong> e <strong>Loja<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Nota<\/strong> : Voc\u00ea pode encontrar a documenta\u00e7\u00e3o completa para a fun\u00e7\u00e3o <strong>drop_duplicates()<\/strong> <a href=\"https:\/\/pandas.pydata.org\/pandas-docs\/stable\/reference\/api\/pandas.DataFrame.drop_duplicates.html\" target=\"_blank\" rel=\"noopener\">aqui<\/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-encontram-duplicatas\/\" target=\"_blank\" rel=\"noopener\">Como encontrar duplicatas em pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-descartam-colunas-duplicadas\/\" target=\"_blank\" rel=\"noopener\">Como remover colunas duplicadas no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-largam-a-primeira-fila\/\" target=\"_blank\" rel=\"noopener\">Como remover a primeira linha no Pandas DataFrame<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar os seguintes m\u00e9todos para remover linhas duplicadas em v\u00e1rias colunas em um DataFrame do pandas: M\u00e9todo 1: remover duplicatas em todas as colunas df. drop_duplicates () M\u00e9todo 2: remover duplicatas em colunas espec\u00edficas df. drop_duplicates ([&#8216; column1 &#8216;,&#8217; column3 &#8216;]) Os exemplos a seguir mostram como usar cada m\u00e9todo na pr\u00e1tica com [&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-2576","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>Pandas: Como remover duplicatas em m\u00faltiplas colunas \u2013 Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como remover linhas duplicadas em m\u00faltiplas colunas no 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-drop-duplica-multiplas-colunas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pandas: Como remover duplicatas em m\u00faltiplas colunas \u2013 Estatoriais\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como remover linhas duplicadas em m\u00faltiplas colunas no pandas, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/pandas-drop-duplica-multiplas-colunas\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T16:06:41+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-drop-duplica-multiplas-colunas\/\",\"url\":\"https:\/\/statorials.org\/pt\/pandas-drop-duplica-multiplas-colunas\/\",\"name\":\"Pandas: Como remover duplicatas em m\u00faltiplas colunas \u2013 Estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-21T16:06:41+00:00\",\"dateModified\":\"2023-07-21T16:06:41+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como remover linhas duplicadas em m\u00faltiplas colunas no pandas, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/pandas-drop-duplica-multiplas-colunas\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/pandas-drop-duplica-multiplas-colunas\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/pandas-drop-duplica-multiplas-colunas\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pandas: como remover duplicatas em m\u00faltiplas colunas\"}]},{\"@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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