{"id":1938,"date":"2023-07-24T09:23:30","date_gmt":"2023-07-24T09:23:30","guid":{"rendered":"https:\/\/statorials.org\/pt\/grafico-de-densidade-matplotlib\/"},"modified":"2023-07-24T09:23:30","modified_gmt":"2023-07-24T09:23:30","slug":"grafico-de-densidade-matplotlib","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/grafico-de-densidade-matplotlib\/","title":{"rendered":"Como criar um gr\u00e1fico de densidade no matplotlib (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">A maneira mais f\u00e1cil de criar um gr\u00e1fico de densidade no Matplotlib \u00e9 usar a fun\u00e7\u00e3o <a href=\"https:\/\/seaborn.pydata.org\/generated\/seaborn.kdeplot.html\" target=\"_blank\" rel=\"noopener\">kdeplot()<\/a> da biblioteca de visualiza\u00e7\u00e3o mar\u00edtima:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#define data<\/span>\ndata = [value1, value2, value3, ...]\n\n<span style=\"color: #008080;\">#create density plot of data\n<\/span>sns. <span style=\"color: #3366ff;\">kdeplot<\/span> (data)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar esta fun\u00e7\u00e3o na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Crie um gr\u00e1fico de densidade b\u00e1sica<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como criar um gr\u00e1fico de densidade b\u00e1sica no Seaborn:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#define data<\/span>\ndata = [2, 2, 3, 5, 6, 6, 7, 8, 9, 10, 12, 12, 13, 15, 16]\n\n<span style=\"color: #008080;\">#create density plot of data\n<\/span>sns. <span style=\"color: #3366ff;\">kdeplot<\/span> (data)<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-18449\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/densiteseaborn1.png\" alt=\"gr\u00e1fico de densidade em Seaborn\" width=\"525\" height=\"373\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O eixo x mostra os valores dos dados e o eixo y mostra os valores de densidade de probabilidade correspondentes.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Ajustando a suavidade do gr\u00e1fico de densidade<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Voc\u00ea pode usar o argumento <strong>bw_method<\/strong> para ajustar a suavidade do gr\u00e1fico de densidade. Valores mais baixos levam a um caminho mais \u201condulado\u201d.<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#define data<\/span>\ndata = [2, 2, 3, 5, 6, 6, 7, 8, 9, 10, 12, 12, 13, 15, 16]\n\n<span style=\"color: #008080;\">#create density plot of data with low bw_method value\n<\/span>sns. <span style=\"color: #3366ff;\">kdeplot<\/span> (data, bw_method = <span style=\"color: #008000;\">.3<\/span> )<\/strong> <\/pre>\n<h3><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-18450 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/densiteseaborn2.png\" alt=\"\" width=\"498\" height=\"360\" srcset=\"\" sizes=\"auto, \"><\/h3>\n<p> <span style=\"color: #000000;\">Por outro lado, valores mais altos para <strong>bw_method<\/strong> levam a um gr\u00e1fico mais suave:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#define data<\/span>\ndata = [2, 2, 3, 5, 6, 6, 7, 8, 9, 10, 12, 12, 13, 15, 16]\n\n<span style=\"color: #008080;\">#create density plot of data with high bw_method value\n<\/span>sns. <span style=\"color: #3366ff;\">kdeplot<\/span> (data, bw_method = <span style=\"color: #008000;\">.8<\/span> )<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-18451 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/densiteseaborn3.png\" alt=\"\" width=\"532\" height=\"383\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: Personalize o gr\u00e1fico de densidade<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Voc\u00ea tamb\u00e9m pode personalizar a cor e o estilo do gr\u00e1fico de densidade:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#define data<\/span>\ndata = [2, 2, 3, 5, 6, 6, 7, 8, 9, 10, 12, 12, 13, 15, 16]\n\n<span style=\"color: #008080;\">#create density plot of data with high bw_method value\n<\/span>sns. <span style=\"color: #3366ff;\">kdeplot<\/span> (data, color=' <span style=\"color: #ff0000;\">red<\/span> ', fill= <span style=\"color: #008000;\">True<\/span> , alpha= <span style=\"color: #008000;\">.3<\/span> , linewidth= <span style=\"color: #008000;\">0<\/span> )<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-18452 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/densiteseaborn4.png\" alt=\"\" width=\"522\" height=\"368\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/curvas-de-densidade\/\" target=\"_blank\" rel=\"noopener\">Uma introdu\u00e7\u00e3o \u00e0s curvas de densidade<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/plotar-multiplas-linhas-matplotlib\/\" target=\"_blank\" rel=\"noopener\">Como plotar m\u00faltiplas linhas no Matplotlib<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/lista-de-histograma-python\/\" target=\"_blank\" rel=\"noopener\">Como tra\u00e7ar um histograma a partir de uma lista de dados em Python<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A maneira mais f\u00e1cil de criar um gr\u00e1fico de densidade no Matplotlib \u00e9 usar a fun\u00e7\u00e3o kdeplot() da biblioteca de visualiza\u00e7\u00e3o mar\u00edtima: import seaborn as sns #define data data = [value1, value2, value3, &#8230;] #create density plot of data sns. kdeplot (data) Os exemplos a seguir mostram como usar esta fun\u00e7\u00e3o na pr\u00e1tica. Exemplo 1: [&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-1938","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 densidade no Matplotlib (com exemplos) - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como criar gr\u00e1ficos de densidade 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\/grafico-de-densidade-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 densidade no Matplotlib (com exemplos) - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como criar gr\u00e1ficos de densidade no Matplotlib, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/grafico-de-densidade-matplotlib\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T09:23:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/densiteseaborn1.png\" \/>\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=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/grafico-de-densidade-matplotlib\/\",\"url\":\"https:\/\/statorials.org\/pt\/grafico-de-densidade-matplotlib\/\",\"name\":\"Como criar um gr\u00e1fico de densidade no Matplotlib (com exemplos) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-24T09:23:30+00:00\",\"dateModified\":\"2023-07-24T09:23:30+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como criar gr\u00e1ficos de densidade no Matplotlib, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/grafico-de-densidade-matplotlib\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/grafico-de-densidade-matplotlib\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/grafico-de-densidade-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 densidade no matplotlib (com exemplos)\"}]},{\"@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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