{"id":1362,"date":"2023-07-26T17:01:40","date_gmt":"2023-07-26T17:01:40","guid":{"rendered":"https:\/\/statorials.org\/pt\/mapa-termico-marinho\/"},"modified":"2023-07-26T17:01:40","modified_gmt":"2023-07-26T17:01:40","slug":"mapa-termico-marinho","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/mapa-termico-marinho\/","title":{"rendered":"Como criar mapas de calor com seaborn (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Um <strong>mapa de calor<\/strong> \u00e9 um tipo de gr\u00e1fico que usa diferentes tons de cores para representar valores de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Este tutorial explica como criar mapas de calor usando a biblioteca de visualiza\u00e7\u00e3o <a href=\"https:\/\/seaborn.pydata.org\/index.html\" target=\"_blank\" rel=\"noopener\">Seaborn<\/a> Python com o seguinte conjunto de dados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#import seaborn<\/span>\n<span style=\"color: #008000;\">import<\/span> seaborn <span style=\"color: #008000;\">as<\/span> sns\n\n<span style=\"color: #008080;\">#load \"flights\" dataset\n<\/span>data = sns. <span style=\"color: #3366ff;\">load_dataset<\/span> (\u201c <span style=\"color: #008000;\">flights<\/span> \u201d)\ndata = data. <span style=\"color: #3366ff;\">pivot<\/span> (\" <span style=\"color: #008000;\">month<\/span> \", \" <span style=\"color: #008000;\">year<\/span> \", \" <span style=\"color: #008000;\">passengers<\/span> \")\n\n<span style=\"color: #008080;\">#view first five rows of dataset\n<\/span>data. <span style=\"color: #3366ff;\">head<\/span> ()\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13526 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_heatmap1.png\" alt=\"\" width=\"557\" height=\"188\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Crie um mapa de calor b\u00e1sico<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte sintaxe para criar um mapa de calor b\u00e1sico para este conjunto de dados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sns. <span style=\"color: #3366ff;\">heatmap<\/span> (data)\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13527 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_heatmap2.png\" alt=\"Mapa de calor mar\u00edtimo\" width=\"575\" height=\"306\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Ch\u00e1<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ajustar o tamanho do mapa de calor<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podemos usar o argumento <strong>figsize<\/strong> para ajustar o tamanho geral do mapa de calor:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#set heatmap size\n<span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt<\/span>\n<span style=\"color: #000000;\">plt. <span style=\"color: #3366ff;\">figure<\/span> (figsize = (12.8))<\/span><\/span>\n\n<span style=\"color: #008080;\">#create heatmap<\/span>\nsns. <span style=\"color: #3366ff;\">heatmap<\/span> (data)<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13528 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_heatmap3.png\" alt=\"Mapa de calor mar\u00edtimo ajusta tamanho\" width=\"633\" height=\"432\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Alterar as cores do mapa de calor<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podemos usar o argumento <strong>cmap<\/strong> para alterar as cores usadas no mapa de calor. Por exemplo, poder\u00edamos escolher a paleta de cores \u201cEspectral\u201d:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\">sns. <span style=\"color: #3366ff;\">heatmap<\/span> (data, cmap=\" <span style=\"color: #008000;\">Spectral<\/span> \")\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13529 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_heatmap4.png\" alt=\"Mapa de calor Seaborn com argumento cmap\" width=\"609\" height=\"324\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Ou poder\u00edamos escolher a cartela de cores \u201ccoolwarm\u201d:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\">sns. <span style=\"color: #3366ff;\">heatmap<\/span> (data, cmap=\" <span style=\"color: #008000;\">coolwarm<\/span> \")<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13530 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_heatmap5.png\" alt=\"\" width=\"578\" height=\"304\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Encontre uma lista completa de op\u00e7\u00f5es de cmap dispon\u00edveis <a href=\"https:\/\/seaborn.pydata.org\/tutorial\/color_palettes.html\" target=\"_blank\" rel=\"noopener\">aqui<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Anote o mapa de calor<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte sintaxe para anotar cada c\u00e9lula no mapa de calor com formata\u00e7\u00e3o inteira e especificar o tamanho da fonte:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\">sns. <span style=\"color: #3366ff;\">heatmap<\/span> (data, annot= <span style=\"color: #008000;\">True<\/span> , fmt=\" <span style=\"color: #008000;\">d<\/span> \", annot_kws={\" <span style=\"color: #008000;\">size<\/span> \":13})<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13531 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_heatmap6.png\" alt=\"Mapa de calor mar\u00edtimo com anota\u00e7\u00f5es\" width=\"617\" height=\"329\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Alterar a barra de cores do mapa de calor<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Finalmente, podemos desabilitar a barra de cores se quisermos usar o argumento <strong>cbar<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\">sns. <span style=\"color: #3366ff;\">heatmap<\/span> (data, cbar= <span style=\"color: #008000;\">False<\/span> )<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13533 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_heatmap7.png\" alt=\"Mapa de calor Seaborn sem barra de cores\" width=\"606\" height=\"294\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Encontre mais tutoriais do Seaborn <a href=\"https:\/\/statorials.org\/pt\/estatologia-explica-conceitos-de-forma-simples-e-direta-facilitamos-o-aprendizado-de-estatistica\/\" target=\"_blank\" rel=\"noopener\">nesta p\u00e1gina<\/a> .<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um mapa de calor \u00e9 um tipo de gr\u00e1fico que usa diferentes tons de cores para representar valores de dados. Este tutorial explica como criar mapas de calor usando a biblioteca de visualiza\u00e7\u00e3o Seaborn Python com o seguinte conjunto de dados: #import seaborn import seaborn as sns #load &#8220;flights&#8221; dataset data = sns. load_dataset (\u201c [&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-1362","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 mapas de calor com Seaborn (com exemplos)<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como criar e editar mapas de calor no Seaborn, uma biblioteca de visualiza\u00e7\u00e3o Python.\" \/>\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\/mapa-termico-marinho\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como criar mapas de calor com Seaborn (com exemplos)\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como criar e editar mapas de calor no Seaborn, uma biblioteca de visualiza\u00e7\u00e3o Python.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/mapa-termico-marinho\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T17:01:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/seaborn_heatmap1.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\/mapa-termico-marinho\/\",\"url\":\"https:\/\/statorials.org\/pt\/mapa-termico-marinho\/\",\"name\":\"Como criar mapas de calor com Seaborn (com exemplos)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-26T17:01:40+00:00\",\"dateModified\":\"2023-07-26T17:01:40+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como criar e editar mapas de calor no Seaborn, uma biblioteca de visualiza\u00e7\u00e3o Python.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/mapa-termico-marinho\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/mapa-termico-marinho\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/mapa-termico-marinho\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como criar mapas de calor com seaborn (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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