{"id":1236,"date":"2023-07-27T04:41:53","date_gmt":"2023-07-27T04:41:53","guid":{"rendered":"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/"},"modified":"2023-07-27T04:41:53","modified_gmt":"2023-07-27T04:41:53","slug":"coeficiente-de-correlacao-manualmente","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/","title":{"rendered":"Como calcular manualmente um coeficiente de correla\u00e7\u00e3o de pearson"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Um <a href=\"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-de-pearson-1\/\" target=\"_blank\" rel=\"noopener noreferrer\">coeficiente de correla\u00e7\u00e3o de Pearson<\/a> mede a associa\u00e7\u00e3o linear entre duas vari\u00e1veis.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Sempre assume um valor entre -1 e 1 onde:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">-1 indica uma correla\u00e7\u00e3o linear perfeitamente negativa entre duas vari\u00e1veis<\/span><\/li>\n<li> <span style=\"color: #000000;\">0 indica nenhuma correla\u00e7\u00e3o linear entre duas vari\u00e1veis<\/span><\/li>\n<li> <span style=\"color: #000000;\">1 indica uma correla\u00e7\u00e3o linear perfeitamente positiva entre duas vari\u00e1veis<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">A f\u00f3rmula para calcular um coeficiente de correla\u00e7\u00e3o de Pearson, denotado <em>r<\/em> , \u00e9:<\/span><\/p>\n<figure style=\"width: 323px\" class=\"wp-caption aligncenter\"><figcaption class=\"wp-caption-text\"><span style=\"color: #000000;\">Fonte: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Pearson_correlation_coefficient\" target=\"_blank\" rel=\"noopener noreferrer\">Wikip\u00e9dia<\/a><\/span><\/figcaption><\/figure>\n<p> <span style=\"color: #000000;\">Este tutorial fornece um exemplo passo a passo de como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson para o seguinte conjunto de dados:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-12241 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pearsonhand1.png\" alt=\"\" width=\"144\" height=\"244\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 1: Calcule a m\u00e9dia de X e Y<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Primeiro, calcularemos a m\u00e9dia dos valores de X e Y:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-12242 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pearsonhand2.png\" alt=\"\" width=\"244\" height=\"284\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 2: Calcule a diferen\u00e7a entre as m\u00e9dias<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A seguir, calcularemos a diferen\u00e7a entre cada um dos valores individuais X e Y e suas respectivas m\u00e9dias:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-12245 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pearsonmain3-1.png\" alt=\"\" width=\"361\" height=\"273\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <strong>Passo 3: Calcule os valores restantes<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">A seguir, calcularemos os valores restantes necess\u00e1rios para completar a f\u00f3rmula do coeficiente de correla\u00e7\u00e3o de Pearson:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-12246 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pearsonhand4.png\" alt=\"\" width=\"662\" height=\"276\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Passo 4: Calcule as somas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A seguir, calcularemos as somas das tr\u00eas \u00faltimas colunas:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-12247 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pearsonhand5.png\" alt=\"\" width=\"673\" height=\"269\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Etapa 5: Calcule o Coeficiente de Correla\u00e7\u00e3o de Pearson<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Agora vamos simplesmente inserir as somas da etapa anterior na f\u00f3rmula do coeficiente de correla\u00e7\u00e3o de Pearson:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-12248\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pearsonhand6.png\" alt=\"Coeficiente de correla\u00e7\u00e3o de Pearson manualmente\" width=\"667\" height=\"330\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O coeficiente de correla\u00e7\u00e3o de Pearson \u00e9 <strong>0,947<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Como este valor est\u00e1 pr\u00f3ximo de 1, indica que X e Y est\u00e3o fortemente correlacionados positivamente.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por outras palavras, \u00e0 medida que o valor de X aumenta, o valor de Y tamb\u00e9m aumenta de uma forma altamente previs\u00edvel.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-de-pearson-1\/\" target=\"_blank\" rel=\"noopener noreferrer\">Uma introdu\u00e7\u00e3o ao coeficiente de correla\u00e7\u00e3o de Pearson<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-do-intervalo-de-confianca\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como encontrar um intervalo de confian\u00e7a para um coeficiente de correla\u00e7\u00e3o<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um coeficiente de correla\u00e7\u00e3o de Pearson mede a associa\u00e7\u00e3o linear entre duas vari\u00e1veis. Sempre assume um valor entre -1 e 1 onde: -1 indica uma correla\u00e7\u00e3o linear perfeitamente negativa entre duas vari\u00e1veis 0 indica nenhuma correla\u00e7\u00e3o linear entre duas vari\u00e1veis 1 indica uma correla\u00e7\u00e3o linear perfeitamente positiva entre duas vari\u00e1veis A f\u00f3rmula para calcular um [&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-1236","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 calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson.\" \/>\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\/coeficiente-de-correlacao-manualmente\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T04:41:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pearsonhand1.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\/coeficiente-de-correlacao-manualmente\/\",\"url\":\"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/\",\"name\":\"Como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-27T04:41:53+00:00\",\"dateModified\":\"2023-07-27T04:41:53+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como calcular manualmente um coeficiente de correla\u00e7\u00e3o de pearson\"}]},{\"@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. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais\",\"sameAs\":[\"https:\/\/statorials.org\/pt\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson","description":"Este tutorial explica como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/","og_locale":"pt_PT","og_type":"article","og_title":"Como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson","og_description":"Este tutorial explica como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson.","og_url":"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/","og_site_name":"Statorials","article_published_time":"2023-07-27T04:41:53+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/pearsonhand1.png"}],"author":"Dr. benjamim anderson","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Dr. benjamim anderson","Tempo estimado de leitura":"1 minuto"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/","url":"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/","name":"Como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson","isPartOf":{"@id":"https:\/\/statorials.org\/pt\/#website"},"datePublished":"2023-07-27T04:41:53+00:00","dateModified":"2023-07-27T04:41:53+00:00","author":{"@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666"},"description":"Este tutorial explica como calcular manualmente um coeficiente de correla\u00e7\u00e3o de Pearson.","breadcrumb":{"@id":"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pt\/coeficiente-de-correlacao-manualmente\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Lar","item":"https:\/\/statorials.org\/pt\/"},{"@type":"ListItem","position":2,"name":"Como calcular manualmente um coeficiente de correla\u00e7\u00e3o de pearson"}]},{"@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. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais","sameAs":["https:\/\/statorials.org\/pt"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/1236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/comments?post=1236"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/1236\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/media?parent=1236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/categories?post=1236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/tags?post=1236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}