{"id":1732,"date":"2023-07-25T05:11:30","date_gmt":"2023-07-25T05:11:30","guid":{"rendered":"https:\/\/statorials.org\/pt\/pandas-descarta-coluna-por-indice\/"},"modified":"2023-07-25T05:11:30","modified_gmt":"2023-07-25T05:11:30","slug":"pandas-descarta-coluna-por-indice","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/pandas-descarta-coluna-por-indice\/","title":{"rendered":"Como deletar colunas por \u00edndice no pandas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe para remover uma coluna de um DataFrame do pandas por n\u00famero de \u00edndice:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop first column from DataFrame<\/span>\ndf. <span style=\"color: #3366ff;\">drop<\/span> ( <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;\">E voc\u00ea pode usar a seguinte sintaxe para remover v\u00e1rias colunas de um DataFrame do pandas por n\u00fameros de \u00edndice:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop first, second, and fourth column from DataFrame\n<\/span>cols = [0, 1, 3]\ndf. <span style=\"color: #3366ff;\">drop<\/span> (df. <span style=\"color: #3366ff;\">columns<\/span> [cols], axis= <span style=\"color: #008000;\">1<\/span> , inplace= <span style=\"color: #008000;\">True<\/span> )<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Se o seu DataFrame tiver nomes de colunas duplicados, voc\u00ea poder\u00e1 usar a seguinte sintaxe para remover uma coluna por n\u00famero de \u00edndice:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define list of columns\n<\/span>cols = [x <span style=\"color: #008000;\">for<\/span> x <span style=\"color: #008000;\">in<\/span> range( <span style=\"color: #3366ff;\">df.shape<\/span> [1])]\n\n<span style=\"color: #008080;\">#drop second column\n<\/span>collars. <span style=\"color: #3366ff;\">remove<\/span> (1)\n\n<span style=\"color: #008080;\">#view resulting DataFrame\n<\/span>df. <span style=\"color: #3366ff;\">iloc<\/span> [:, cols]<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como eliminar colunas por \u00edndice na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: exclua uma coluna por \u00edndice<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como remover a primeira coluna de um DataFrame do pandas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd<\/span>\n\n#createDataFrame\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['Mavs', 'Lakers', 'Spurs', 'Cavs'],\n                   ' <span style=\"color: #ff0000;\">first<\/span> ': ['Dirk', 'Kobe', 'Tim', 'Lebron'],\n                   ' <span style=\"color: #ff0000;\">last<\/span> ': ['Nowitzki', 'Bryant', 'Duncan', 'James'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [26, 31, 22, 29]})<\/span>\n\n#drop first column from DataFrame<\/span>\ndf. <span style=\"color: #3366ff;\">drop<\/span> ( <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 resulting dataFrame<\/span>\ndf\n\n        first last points\n0 Dirk Nowitzki 26\n1 Kobe Bryant 31\n2 Tim Duncan 22\n3 LeBron James 29\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Eliminar m\u00faltiplas colunas por \u00edndice<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como eliminar v\u00e1rias colunas em um DataFrame do pandas por \u00edndice:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd<\/span>\n\n#createDataFrame\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['Mavs', 'Lakers', 'Spurs', 'Cavs'],\n                   ' <span style=\"color: #ff0000;\">first<\/span> ': ['Dirk', 'Kobe', 'Tim', 'Lebron'],\n                   ' <span style=\"color: #ff0000;\">last<\/span> ': ['Nowitzki', 'Bryant', 'Duncan', 'James'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [26, 31, 22, 29]})<\/span>\n\n#drop first, second and fourth columns from DataFrame\n<\/span><span style=\"color: #000000;\">cols = [0, 1, 3] \n<\/span>df. <span style=\"color: #3366ff;\">drop<\/span> (df. <span style=\"color: #3366ff;\">columns<\/span> [cols], axis= <span style=\"color: #008000;\">1<\/span> , inplace= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#view resulting dataFrame<\/span>\ndf\n\n        last\n0 Nowitzki\n1 Bryant\n2 Duncan\n3 James\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: Exclua uma coluna por \u00edndice com duplicatas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como remover uma coluna por n\u00famero de \u00edndice em um DataFrame do pandas quando existem nomes de colunas duplicados:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> pandas <span style=\"color: #008000;\">as<\/span> pd<\/span>\n\n#createDataFrame\n<span style=\"color: #000000;\">df = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">team<\/span> ': ['Mavs', 'Lakers', 'Spurs', 'Cavs'],\n                   ' <span style=\"color: #ff0000;\">last<\/span> ': ['Nowitzki', 'Bryant', 'Duncan', 'James'],\n                   ' <span style=\"color: #ff0000;\">last<\/span> ': ['Nowitzki', 'Bryant', 'Duncan', 'James'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [26, 31, 22, 29]},\n                   columns=[' <span style=\"color: #ff0000;\">team<\/span> ', ' <span style=\"color: #ff0000;\">last<\/span> ', ' <span style=\"color: #ff0000;\">last<\/span> ', ' <span style=\"color: #ff0000;\">points<\/span> '])\n\n<\/span>#define list of columns range\n<span style=\"color: #000000;\">cols = [x <span style=\"color: #008000;\">for<\/span> x <span style=\"color: #008000;\">in<\/span> range( <span style=\"color: #3366ff;\">df.shape<\/span> [1])]\n<\/span>\n#remove second column in DataFrame\n<span style=\"color: #000000;\">collars. <span style=\"color: #3366ff;\">remove<\/span> (1)\n<\/span>\n#view resulting DataFrame\n<span style=\"color: #000000;\">df. <span style=\"color: #3366ff;\">iloc<\/span> [:, cols]\n\n\tteam last points\n0 Mavs Nowitzki 26\n1 Lakers Bryant 31\n2 Spurs Duncan 22\n3 Cavs James 29\n<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/pandas-combinam-duas-colunas\/\" target=\"_blank\" rel=\"noopener\">Como combinar duas colunas no Pandas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-classifica-colunas-por-nome\/\" target=\"_blank\" rel=\"noopener\">Pandas: como classificar colunas por nome<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/diferenca-de-pandas-entre-duas-colunas\/\" target=\"_blank\" rel=\"noopener\">Pandas: como encontrar a diferen\u00e7a entre duas colunas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/coluna-de-soma-do-pandas-com-condicao\/\" target=\"_blank\" rel=\"noopener\">Pandas: como adicionar colunas com base em uma condi\u00e7\u00e3o<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe para remover uma coluna de um DataFrame do pandas por n\u00famero de \u00edndice: #drop first column from DataFrame df. drop ( df.columns [0], axis= 1 , inplace= True ) E voc\u00ea pode usar a seguinte sintaxe para remover v\u00e1rias colunas de um DataFrame do pandas por n\u00fameros de \u00edndice: [&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-1732","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 deletar colunas por \u00edndice no Pandas \u2013 Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como remover uma ou mais colunas de um DataFrame do pandas por n\u00famero de \u00edndice, 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-descarta-coluna-por-indice\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta 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