{"id":4037,"date":"2023-07-14T00:50:47","date_gmt":"2023-07-14T00:50:47","guid":{"rendered":"https:\/\/statorials.org\/pt\/dataframe-de-pedaco-do-pandas\/"},"modified":"2023-07-14T00:50:47","modified_gmt":"2023-07-14T00:50:47","slug":"dataframe-de-pedaco-do-pandas","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/dataframe-de-pedaco-do-pandas\/","title":{"rendered":"Como dividir o dataframe do pandas em peda\u00e7os"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para quebrar um DataFrame do pandas em peda\u00e7os menores:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#specify number of rows in each chunk\n<\/span>n= <span style=\"color: #008000;\">3<\/span>\n\n<span style=\"color: #008080;\">#split DataFrame into chunks\n<\/span>list_df = [df[i:i+n] <span style=\"color: #008000;\">for<\/span> i <span style=\"color: #008000;\">in<\/span> range(0, <span style=\"color: #3366ff;\">len<\/span> (df),n)]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Voc\u00ea pode ent\u00e3o acessar cada peda\u00e7o usando a seguinte sintaxe:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <b><span style=\"color: #008080;\">#access first chunk<\/span>\n<strong>list_df[0]<\/strong>\n<\/b><\/pre>\n<p> <span style=\"color: #000000;\">O exemplo a seguir mostra como usar essa sintaxe na pr\u00e1tica.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo: divida o DataFrame do Pandas em peda\u00e7os<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte DataFrame do pandas com nove linhas contendo informa\u00e7\u00f5es sobre v\u00e1rios jogadores de basquete:<\/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', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I'],\n                   ' <span style=\"color: #ff0000;\">points<\/span> ': [18, 22, 19, 14, 14, 11, 20, 28, 23],\n                   ' <span style=\"color: #ff0000;\">assists<\/span> ': [5, 7, 7, 9, 12, 9, 9, 4, 11],\n                   ' <span style=\"color: #ff0000;\">rebounds<\/span> ': [11, 8, 10, 6, 6, 5, 9, 12, 10]})\n\n<span style=\"color: #008080;\">#view DataFrame\n<\/span><span style=\"color: #008000;\">print<\/span> (df)\n\n  team points assists rebounds\n0 A 18 5 11\n1 B 22 7 8\n2 C 19 7 10\n3 D 14 9 6\n4 E 14 12 6\n5 F 11 9 5\n6 G 20 9 9\n7:28 4 12\n8 I 23 11 10<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Podemos usar a seguinte sintaxe para dividir o DataFrame em peda\u00e7os onde cada peda\u00e7o possui 3 linhas:<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#specify number of rows in each chunk\n<\/span>n= <span style=\"color: #008000;\">3<\/span>\n\n<span style=\"color: #008080;\">#split DataFrame into chunks\n<\/span>list_df = [df[i:i+n] <span style=\"color: #008000;\">for<\/span> i <span style=\"color: #008000;\">in<\/span> range(0, <span style=\"color: #3366ff;\">len<\/span> (df),n)]<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos ent\u00e3o usar a seguinte sintaxe para acessar cada parte:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#view first chunk\n<span style=\"color: #008000;\">print<\/span><\/span> (list_df[0])\n\n  team points assists rebounds\n0 A 18 5 11\n1 B 22 7 8\n2 C 19 7 10\n\n<span style=\"color: #008080;\">#view second chunk\n<\/span><span style=\"color: #008000;\">print<\/span> (list_df[1])\n\n  team points assists rebounds\n3 D 14 9 6\n4 E 14 12 6\n5 F 11 9 5\n\n<span style=\"color: #008080;\">#view third chunk\n<\/span><span style=\"color: #008000;\">print<\/span> (list_df[2])\n\n  team points assists rebounds\n6 G 20 9 9\n7:28 4 12\n8 I 23 11 10\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Observe que cada peda\u00e7o cont\u00e9m tr\u00eas linhas, conforme especificamos.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe que neste exemplo usamos um DataFrame com apenas nove linhas como exemplo simples.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Na pr\u00e1tica, voc\u00ea provavelmente trabalhar\u00e1 com um DataFrame que possui centenas de milhares ou at\u00e9 milh\u00f5es de linhas.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Voc\u00ea pode usar a mesma sintaxe usada neste exemplo para dividir seu DataFrame em peda\u00e7os de tamanhos espec\u00edficos.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras tarefas comuns em pandas:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/pandas-dividem-dataframe-por-valor-de-coluna\/\" target=\"_blank\" rel=\"noopener\">Pandas: Como dividir um DataFrame por valor de coluna<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/coluna-dividida-de-pandas\/\" target=\"_blank\" rel=\"noopener\">Pandas: Como dividir uma coluna de string em m\u00faltiplas colunas<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/pandas-divide-colunas-de-listas-em-colunas\/\" target=\"_blank\" rel=\"noopener\">Pandas: Como dividir uma coluna de listas em m\u00faltiplas colunas<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para quebrar um DataFrame do pandas em peda\u00e7os menores: #specify number of rows in each chunk n= 3 #split DataFrame into chunks list_df = [df[i:i+n] for i in range(0, len (df),n)] Voc\u00ea pode ent\u00e3o acessar cada peda\u00e7o usando a seguinte sintaxe: #access first chunk list_df[0] O exemplo a [&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-4037","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 cortar o DataFrame do Pandas em peda\u00e7os \u2013 Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como dividir um DataFrame do pandas em peda\u00e7os, com um exemplo.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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