{"id":4203,"date":"2023-07-12T21:32:52","date_gmt":"2023-07-12T21:32:52","guid":{"rendered":"https:\/\/statorials.org\/pt\/diagrama-de-distribuicao-matplotlib\/"},"modified":"2023-07-12T21:32:52","modified_gmt":"2023-07-12T21:32:52","slug":"diagrama-de-distribuicao-matplotlib","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/diagrama-de-distribuicao-matplotlib\/","title":{"rendered":"Como criar um gr\u00e1fico de distribui\u00e7\u00e3o no matplotlib"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Existem duas maneiras comuns de criar um diagrama de distribui\u00e7\u00e3o em Python:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: criar um histograma usando Matplotlib<\/strong><\/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> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\nplt. <span style=\"color: #3366ff;\">hist<\/span> (data, color=' <span style=\"color: #ff0000;\">lightgreen<\/span> ', ec=' <span style=\"color: #ff0000;\">black<\/span> ', bins= <span style=\"color: #008000;\">15<\/span> )\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que <strong>color<\/strong> controla a cor de preenchimento das barras, <strong>ec<\/strong> controla a cor das bordas das barras e <strong>bins<\/strong> controla o n\u00famero de caixas no histograma.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: Criar um histograma com curva de densidade usando Seaborn<\/strong><\/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> seaborn <span style=\"color: #008000;\">as<\/span> sns\nsns. <span style=\"color: #3366ff;\">displot<\/span> (data, kde= <span style=\"color: #008000;\">True<\/span> , bins= <span style=\"color: #008000;\">15<\/span> )\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Observe que <strong>kde=True<\/strong> especifica que uma curva de densidade deve ser sobreposta ao histograma.<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada m\u00e9todo na pr\u00e1tica para visualizar a distribui\u00e7\u00e3o de valores no seguinte array NumPy:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#make this example reproducible.\n<\/span>n.p. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">seed<\/span> ( <span style=\"color: #008000;\">1<\/span> )\n\n<span style=\"color: #008080;\">#create numpy array with 1000 values that follows normal dist with mean=10 and sd=2\n<\/span>data = np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">normal<\/span> (size= <span style=\"color: #008000;\">1000<\/span> , loc= <span style=\"color: #008000;\">10<\/span> , scale= <span style=\"color: #008000;\">2<\/span> )\n\n<span style=\"color: #008080;\">#view first five values\n<\/span>data[: <span style=\"color: #008000;\">5<\/span> ]\n\narray([13.24869073, 8.77648717, 8.9436565, 7.85406276, 11.73081526])\n<\/span><\/span><\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 1: Crie um histograma usando Matplotlib<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Podemos usar o seguinte c\u00f3digo para criar um histograma no Matplotlib para visualizar a distribui\u00e7\u00e3o dos valores no array NumPy:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\"><span style=\"color: #000000;\"><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;\">#create histogram\n<\/span>plt. <span style=\"color: #3366ff;\">hist<\/span> (data, color=' <span style=\"color: #ff0000;\">lightgreen<\/span> ', ec=' <span style=\"color: #ff0000;\">black<\/span> ', bins= <span style=\"color: #008000;\">15<\/span> )\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33255 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deploiement1.jpg\" alt=\"\" width=\"502\" height=\"368\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O eixo x exibe os valores da matriz NumPy e o eixo y exibe a frequ\u00eancia desses valores.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe que quanto maior o valor usado para o argumento <strong>bins<\/strong> , mais barras haver\u00e1 no histograma.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 2: Crie um histograma com uma curva de densidade usando Seaborn<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Podemos usar o c\u00f3digo a seguir para criar um histograma com uma <a href=\"https:\/\/statorials.org\/pt\/curvas-de-densidade\/\" target=\"_blank\" rel=\"noopener\">curva de densidade<\/a> sobreposta usando a biblioteca de visualiza\u00e7\u00e3o de dados mar\u00edtimos:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #008080;\">#create histogram with density curve overlaid\n<\/span>sns. <span style=\"color: #3366ff;\">displot<\/span> (data, kde= <span style=\"color: #008000;\">True<\/span> , bins= <span style=\"color: #008000;\">15<\/span> )<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33256 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deploiement2.jpg\" alt=\"\" width=\"497\" height=\"495\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O resultado \u00e9 um histograma no qual uma curva de densidade \u00e9 sobreposta.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A vantagem de usar uma curva de densidade \u00e9 que ela resume a forma da distribui\u00e7\u00e3o usando uma \u00fanica curva cont\u00ednua.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\"><strong>Nota<\/strong> : Voc\u00ea pode encontrar a documenta\u00e7\u00e3o completa para a fun\u00e7\u00e3o seaborn <strong>displot()<\/strong> <a href=\"https:\/\/seaborn.pydata.org\/generated\/seaborn.displot.html\" target=\"_blank\" rel=\"noopener\">aqui<\/a> .<\/span><\/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 criar outros gr\u00e1ficos comuns em Python:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/grafico-de-barras-empilhadas-matplotlib\/\" target=\"_blank\" rel=\"noopener\">Como criar gr\u00e1ficos de barras empilhadas no Matplotlib<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/histograma-de-frequencia-relativa-matplotlib\/\" target=\"_blank\" rel=\"noopener\">Como criar um histograma de frequ\u00eancia relativa no Matplotlib<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/grafico-de-barras-horizontal-maritimo\/\" target=\"_blank\" rel=\"noopener\">Como criar um gr\u00e1fico de barras horizontal no Seaborn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Existem duas maneiras comuns de criar um diagrama de distribui\u00e7\u00e3o em Python: M\u00e9todo 1: criar um histograma usando Matplotlib import matplotlib. pyplot as plt plt. hist (data, color=&#8217; lightgreen &#8216;, ec=&#8217; black &#8216;, bins= 15 ) Observe que color controla a cor de preenchimento das barras, ec controla a cor das bordas das barras e [&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-4203","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 criar um gr\u00e1fico de distribui\u00e7\u00e3o no Matplotlib - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como criar um gr\u00e1fico de distribui\u00e7\u00e3o no Matplotlib, 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\/diagrama-de-distribuicao-matplotlib\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como criar um gr\u00e1fico de distribui\u00e7\u00e3o no Matplotlib - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como criar um gr\u00e1fico de distribui\u00e7\u00e3o no Matplotlib, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/diagrama-de-distribuicao-matplotlib\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-12T21:32:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deploiement1.jpg\" \/>\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\/diagrama-de-distribuicao-matplotlib\/\",\"url\":\"https:\/\/statorials.org\/pt\/diagrama-de-distribuicao-matplotlib\/\",\"name\":\"Como criar um gr\u00e1fico de distribui\u00e7\u00e3o no Matplotlib - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-12T21:32:52+00:00\",\"dateModified\":\"2023-07-12T21:32:52+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como criar um gr\u00e1fico de distribui\u00e7\u00e3o no Matplotlib, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/diagrama-de-distribuicao-matplotlib\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/diagrama-de-distribuicao-matplotlib\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/diagrama-de-distribuicao-matplotlib\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como criar um gr\u00e1fico de distribui\u00e7\u00e3o no matplotlib\"}]},{\"@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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