{"id":2366,"date":"2023-07-22T14:20:14","date_gmt":"2023-07-22T14:20:14","guid":{"rendered":"https:\/\/statorials.org\/pt\/pandas-descartam-a-primeira-coluna\/"},"modified":"2023-07-22T14:20:14","modified_gmt":"2023-07-22T14:20:14","slug":"pandas-descartam-a-primeira-coluna","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pandas-descartam-a-primeira-coluna\/","title":{"rendered":"Como remover a primeira coluna no pandas dataframe (3 m\u00e9todos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar um dos tr\u00eas m\u00e9todos a seguir para remover a primeira coluna de um DataFrame do pandas:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: use gota<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df. <span style=\"color: #3366ff;\">drop<\/span> (columns= <span style=\"color: #3366ff;\">df.columns<\/span> [0], axis= <span style=\"color: #008000;\">1<\/span> , inplace= <span style=\"color: #008000;\">True<\/span> )\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: use iloc<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df = df. <span style=\"color: #3366ff;\">iloc<\/span> [: , 1:]<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 3: use del<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">del<\/span> df[df. <span style=\"color: #3366ff;\">columns<\/span> [0]]<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Cada m\u00e9todo produz o mesmo resultado.<\/span><\/p>\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: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd\n\n<span style=\"color: #008080;\">#createDataFrame\n<\/span>df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'],\n                   ' <span style=\"color: #ff0000;\">position<\/span> ': ['G', 'G', 'F', 'F', 'G', 'G', 'F', 'F'],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': [5, 7, 7, 9, 12, 9, 9, 4],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span>df\n\n\tteam position assists rebounds\n0 A G 5 11\n1 A G 7 8\n2 A F 7 10\n3 A F 9 6\n4 B G 12 6\n5 B G 9 5\n6 B F 9 9\n7 B F 4 12\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: use gota<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar a fun\u00e7\u00e3o <strong>drop()<\/strong> para eliminar a primeira coluna do DataFrame do pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop first column of DataFrame\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">drop<\/span> (columns= <span style=\"color: #3366ff;\">df.columns<\/span> [0], axis= <span style=\"color: #008000;\">1<\/span> , inplace= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#view updated DataFrame<\/span>\ndf\n\n\tposition assists rebounds\n0 G 5 11\n1 G 7 8\n2 F 7 10\n3 F 9 6\n4 G 12 6\n5 G 9 5\n6 F 9 9\n7 F 4 12\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que a primeira coluna chamada \u201cequipe\u201d foi removida do DataFrame.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe tamb\u00e9m que precisamos usar <strong>inplace=True<\/strong> para que a coluna seja removida no DataFrame original.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: use iloc<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar a fun\u00e7\u00e3o <strong>iloc<\/strong> para remover a primeira coluna do DataFrame do pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop first column of DataFrame\n<span style=\"color: #000000;\">df = df. <span style=\"color: #3366ff;\">iloc<\/span> [: , 1:]\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span>df\n\n\tposition assists rebounds\n0 G 5 11\n1 G 7 8\n2 F 7 10\n3 F 9 6\n4 G 12 6\n5 G 9 5\n6 F 9 9\n7 F 4 12\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que a primeira coluna chamada \u201cequipe\u201d foi removida do DataFrame.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>M\u00e9todo 3: use del<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar a fun\u00e7\u00e3o <strong>del<\/strong> para remover a primeira coluna do DataFrame do pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop first column of DataFrame\n<span style=\"color: #000000;\"><span style=\"color: #008000;\">del<\/span> df[df. <span style=\"color: #3366ff;\">columns<\/span> [0]]\n\n<span style=\"color: #008080;\">#view updated DataFrame\n<\/span>df\n\n\tposition assists rebounds\n0 G 5 11\n1 G 7 8\n2 F 7 10\n3 F 9 6\n4 G 12 6\n5 G 9 5\n6 F 9 9\n7 F 4 12\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que a primeira coluna chamada \u201cequipe\u201d foi removida do DataFrame.<\/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-descartam-colunas-duplicadas\/\" target=\"_blank\" rel=\"noopener\">Como remover colunas duplicadas no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-eliminam-linha-por-indice\/\" target=\"_blank\" rel=\"noopener\">Como deletar linhas por \u00edndice no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-descarta-coluna-por-indice\/\" target=\"_blank\" rel=\"noopener\">Como deletar colunas por \u00edndice no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-eliminam-linhas-com-valor\/\" target=\"_blank\" rel=\"noopener\">Como deletar linhas contendo um valor espec\u00edfico no Pandas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar um dos tr\u00eas m\u00e9todos a seguir para remover a primeira coluna de um DataFrame do pandas: M\u00e9todo 1: use gota df. drop (columns= df.columns [0], axis= 1 , inplace= True ) M\u00e9todo 2: use iloc df = df. iloc [: , 1:] M\u00e9todo 3: use del del df[df. columns [0]] Cada m\u00e9todo [&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-2366","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 a primeira coluna no Pandas DataFrame (3 m\u00e9todos) \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como remover a primeira coluna 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\/pandas-descartam-a-primeira-coluna\/\" \/>\n<meta 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