{"id":3575,"date":"2023-07-16T18:22:24","date_gmt":"2023-07-16T18:22:24","guid":{"rendered":"https:\/\/statorials.org\/pt\/subtramas-de-pandas\/"},"modified":"2023-07-16T18:22:24","modified_gmt":"2023-07-16T18:22:24","slug":"subtramas-de-pandas","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/subtramas-de-pandas\/","title":{"rendered":"Pandas: como plotar v\u00e1rios dataframes em subparcelas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para plotar v\u00e1rios DataFrames do pandas em subtramas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define subplot layout\n<\/span>fig, axes = plt. <span style=\"color: #3366ff;\">subplots<\/span> (nrows= <span style=\"color: #008000;\">2<\/span> , ncols= <span style=\"color: #008000;\">2<\/span> )\n\n<span style=\"color: #008080;\">#add DataFrames to subplots\n<\/span>df1. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[0,0])\ndf2. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[0,1])\ndf3. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[1,0])\ndf4. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[1,1])\n<\/strong><\/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: plotando v\u00e1rios DataFrames Pandas em subparcelas<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Digamos que temos quatro DataFrames panda que cont\u00eam informa\u00e7\u00f5es sobre vendas e devolu\u00e7\u00f5es em quatro lojas de varejo diferentes:<\/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;\">#create four DataFrames\n<\/span>df1 = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">sales<\/span> ': [2, 5, 5, 7, 9, 13, 15, 17, 22, 24],\n                    ' <span style=\"color: #ff0000;\">returns<\/span> ': [1, 2, 3, 4, 5, 6, 7, 8, 7, 5]})\n\ndf2 = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">sales<\/span> ': [2, 5, 11, 18, 15, 15, 14, 9, 6, 7],\n                    ' <span style=\"color: #ff0000;\">returns<\/span> ': [1, 2, 0, 2, 2, 4, 5, 4, 2, 1]})\n\ndf3 = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">sales<\/span> ': [6, 8, 8, 7, 8, 9, 10, 7, 8, 12],\n                    ' <span style=\"color: #ff0000;\">returns<\/span> ': [1,0, 1, 1, 1, 2, 3, 2, 1, 3]})\n\ndf4 = pd. <span style=\"color: #3366ff;\">DataFrame<\/span> ({' <span style=\"color: #ff0000;\">sales<\/span> ': [10, 7, 7, 6, 7, 6, 4, 3, 3, 2],\n                    ' <span style=\"color: #ff0000;\">returns<\/span> ': [4, 4, 3, 3, 2, 3, 2, 1, 1, 0]})<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Podemos usar a seguinte sintaxe para plotar cada um desses DataFrames em uma subtrama com um layout de 2 linhas e 2 colunas:<\/span><\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define subplot layout\n<\/span>fig, axes = plt. <span style=\"color: #3366ff;\">subplots<\/span> (nrows= <span style=\"color: #008000;\">2<\/span> , ncols= <span style=\"color: #008000;\">2<\/span> )\n\n<span style=\"color: #008080;\">#add DataFrames to subplots\n<\/span>df1. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[0,0])\ndf2. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[0,1])\ndf3. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[1,0])\ndf4. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[1,1])<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-29532\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous1.jpg\" alt=\"subtramas do panda\" width=\"669\" height=\"449\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Cada um dos quatro DataFrames \u00e9 exibido em uma subtrama.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe que usamos o argumento <strong>axes<\/strong> para especificar onde cada DataFrame deve ser colocado.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, o DataFrame chamado <strong>df1<\/strong> foi colocado na posi\u00e7\u00e3o com um valor de \u00edndice de linha <strong>0<\/strong> e um valor de \u00edndice de coluna <strong>0<\/strong> (por exemplo, o subplot no canto superior esquerdo).<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe tamb\u00e9m que voc\u00ea pode alterar o layout das subtramas usando os argumentos <strong>nrows<\/strong> e <strong>ncols<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, o c\u00f3digo a seguir mostra como organizar subtramas em quatro linhas e uma coluna:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define subplot layout\n<\/span>fig, axes = plt. <span style=\"color: #3366ff;\">subplots<\/span> (nrows= <span style=\"color: #008000;\">4<\/span> , ncols= <span style=\"color: #008000;\">1<\/span> )\n\n<span style=\"color: #008080;\">#add DataFrames to subplots\n<\/span>df1. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[0])\ndf2. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[1])\ndf3. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[2])\ndf4. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[3])<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29533 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous2.jpg\" alt=\"\" width=\"555\" height=\"480\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">As subparcelas agora est\u00e3o organizadas em um layout com quatro linhas e uma coluna.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe que se voc\u00ea deseja que as subparcelas tenham as mesmas escalas nos eixos y e x, voc\u00ea pode usar os argumentos <strong>sharey<\/strong> e <strong>sharex<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, o c\u00f3digo a seguir mostra como usar o argumento <strong>sharey<\/strong> para for\u00e7ar todas as subtramas a terem a mesma escala no eixo Y:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define subplot layout, force subplots to have same y-axis scale\n<\/span>fig, axes = plt. <span style=\"color: #3366ff;\">subplots<\/span> (nrows= <span style=\"color: #008000;\">4<\/span> , ncols= <span style=\"color: #008000;\">1<\/span> , sharey= <span style=\"color: #008000;\">True<\/span> )\n\n<span style=\"color: #008080;\">#add DataFrames to subplots\n<\/span>df1. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[0])\ndf2. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[1])\ndf3. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[2])\ndf4. <span style=\"color: #3366ff;\">plot<\/span> (ax=axes[3])<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29534 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous3.jpg\" alt=\"\" width=\"558\" height=\"470\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que o eixo Y de cada subtrama agora varia de 0 a 20.<\/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 opera\u00e7\u00f5es comuns em pandas:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/grafico-de-pizza-do-panda\/\" target=\"_blank\" rel=\"noopener\">Como criar um gr\u00e1fico de pizza a partir do Pandas DataFrame<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/nuvem-de-pontos-panda\/\" target=\"_blank\" rel=\"noopener\">Como criar uma nuvem de pontos a partir do Pandas DataFrame<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/histograma-do-panda\/\" target=\"_blank\" rel=\"noopener\">Como criar um histograma a partir do Pandas DataFrame<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para plotar v\u00e1rios DataFrames do pandas em subtramas: import matplotlib. pyplot as plt #define subplot layout fig, axes = plt. subplots (nrows= 2 , ncols= 2 ) #add DataFrames to subplots df1. plot (ax=axes[0,0]) df2. plot (ax=axes[0,1]) df3. plot (ax=axes[1,0]) df4. plot (ax=axes[1,1]) O exemplo a seguir mostra [&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-3575","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 plotar v\u00e1rios DataFrames em subparcelas - 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