{"id":1233,"date":"2023-07-27T04:53:06","date_gmt":"2023-07-27T04:53:06","guid":{"rendered":"https:\/\/statorials.org\/pt\/soltar-pandas-de-indice\/"},"modified":"2023-07-27T04:53:06","modified_gmt":"2023-07-27T04:53:06","slug":"soltar-pandas-de-indice","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/soltar-pandas-de-indice\/","title":{"rendered":"Como remover coluna de \u00edndice em pandas (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c0s vezes voc\u00ea pode querer remover a coluna de \u00edndice de um DataFrame do pandas em Python.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Como os DataFrames e Series do pandas sempre t\u00eam um \u00edndice, voc\u00ea n\u00e3o pode <em>descartar<\/em> o \u00edndice, mas pode redefini-lo usando o seguinte trecho de c\u00f3digo:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">reset_index<\/span> (drop= <span style=\"color: #008000;\">True<\/span> , place= <span style=\"color: #008000;\">True<\/span> )\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Por exemplo, suponha que temos o seguinte DataFrame do pandas com um \u00edndice de letras:<\/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>df = pd.DataFrame({'points': [25, 12, 15, 14, 19, 23, 25, 29],\n                   'assists': [5, 7, 7, 9, 12, 9, 9, 4],\n                   'rebounds': [11, 8, 10, 6, 6, 5, 9, 12]})\n\n<span style=\"color: #008080;\">#set index of DataFrame to be random letters\n<\/span>df = df. <span style=\"color: #3366ff;\">set_index<\/span> ([pd. <span style=\"color: #3366ff;\">Index<\/span> (['a', 'b', 'd', 'g', 'h', 'm', 'n', 'z'])])\n\n<span style=\"color: #008080;\">#display DataFrame\n<\/span>df\n\n        points assists rebounds\na 25 5 11\nb 12 7 8\nd 15 7 10\ng 14 9 6\nh 19 12 6\nm 23 9 5\nn 25 9 9\nz 29 4 12\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar a fun\u00e7\u00e3o <a href=\"https:\/\/pandas.pydata.org\/pandas-docs\/stable\/reference\/api\/pandas.DataFrame.reset_index.html\" target=\"_blank\" rel=\"noopener noreferrer\">reset_index()<\/a> para redefinir o \u00edndice para que seja uma lista sequencial de n\u00fameros:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#reset indexes\n<\/span>df. <span style=\"color: #3366ff;\">reset_index<\/span> (drop= <span style=\"color: #008000;\">True<\/span> , place= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#display DataFrame<\/span>\ndf\n\n        points assists rebounds\n0 25 5 11\n1 12 7 8\n2 15 7 10\n3 14 9 6\n4 19 12 6\n5 23 9 5\n6 25 9 9\n7 29 4 12\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que o \u00edndice agora \u00e9 uma lista de n\u00fameros de 0 a 7.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Como mencionado antes, o \u00edndice n\u00e3o \u00e9 na verdade uma coluna. Assim, quando usamos o comando <strong>shape<\/strong> , vemos que o DataFrame possui 8 linhas e 3 colunas (em vez de 4 colunas):<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find number of rows and columns in DataFrame\n<\/span>df. <span style=\"color: #3366ff;\">shape\n\n<span style=\"color: #000000;\">(8, 3)\n<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>B\u00f4nus: remova o \u00edndice ao importar e exportar<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Muitas vezes voc\u00ea pode querer redefinir o \u00edndice de um DataFrame do pandas depois de l\u00ea-lo em um arquivo CSV. Voc\u00ea pode redefinir rapidamente o \u00edndice <em>ao<\/em> import\u00e1-lo usando o seguinte trecho de c\u00f3digo:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df = pd. <span style=\"color: #3366ff;\">read_csv<\/span> ('data.csv', index_col= <span style=\"color: #008000;\">False<\/span> )<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">E voc\u00ea pode garantir que uma coluna de \u00edndice n\u00e3o seja gravada em um arquivo CSV durante a exporta\u00e7\u00e3o usando o seguinte trecho de c\u00f3digo:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">to_csv<\/span> ('data.csv', index= <span style=\"color: #008000;\">False<\/span> )<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/pandas-definem-coluna-como-indice\/\" target=\"_blank\" rel=\"noopener\">Como definir coluna como \u00edndice no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/solte-os-pandas\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como deletar linhas com valores NaN no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/estatologia-explica-conceitos-de-forma-simples-e-direta-facilitamos-o-aprendizado-de-estatistica\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como classificar valores em um DataFrame do Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c0s vezes voc\u00ea pode querer remover a coluna de \u00edndice de um DataFrame do pandas em Python. Como os DataFrames e Series do pandas sempre t\u00eam um \u00edndice, voc\u00ea n\u00e3o pode descartar o \u00edndice, mas pode redefini-lo usando o seguinte trecho de c\u00f3digo: df. reset_index (drop= True , place= True ) Por exemplo, suponha que [&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-1233","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 remover coluna de \u00edndice em Pandas (com exemplos)<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como remover a coluna de \u00edndice de 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\/soltar-pandas-de-indice\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como remover coluna de \u00edndice em Pandas (com exemplos)\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como remover a coluna de \u00edndice de um DataFrame do pandas, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/soltar-pandas-de-indice\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T04:53:06+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\/soltar-pandas-de-indice\/\",\"url\":\"https:\/\/statorials.org\/pt\/soltar-pandas-de-indice\/\",\"name\":\"Como remover coluna de \u00edndice em Pandas (com exemplos)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-27T04:53:06+00:00\",\"dateModified\":\"2023-07-27T04:53:06+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como remover a coluna de \u00edndice de um DataFrame do pandas, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/soltar-pandas-de-indice\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/soltar-pandas-de-indice\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/soltar-pandas-de-indice\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como remover coluna de \u00edndice 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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