{"id":436,"date":"2023-07-29T22:47:58","date_gmt":"2023-07-29T22:47:58","guid":{"rendered":"https:\/\/statorials.org\/pt\/calculadora-de-teste-mcnemars\/"},"modified":"2023-07-29T22:47:58","modified_gmt":"2023-07-29T22:47:58","slug":"calculadora-de-teste-mcnemars","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/calculadora-de-teste-mcnemars\/","title":{"rendered":"Calculadora de teste mcnemar"},"content":{"rendered":"<p><script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/mathjs\/5.1.1\/math.js\"><\/script><script src=\"https:\/\/cdn.jsdelivr.net\/npm\/jstat@latest\/dist\/jstat.min.js\"><\/script><\/p>\n<style>\n@import url('https:\/\/fonts.googleapis.com\/css?family=Droid+Serif|Raleway');<\/p>\n<p>.axis--y .domain {\n  display: none;\n}<\/p>\n<p>h1 {\ncolor: black;\ntext-align: center;\nmargin-bottom: 0px;\nmargin-top: 15px;\nfont-family: 'Raleway', sans-serif;\n}<\/p>\n<p>p {\ncolor: black;\ntext-align: center;\nmargin-bottom: 15px;\nmargin-top: 15px;\nfont-family: 'Raleway', sans-serif;\n}<\/p>\n<p>#words {\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\n}<\/p>\n<p>#words_text_area {\ndisplay:inline-block;\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\npadding-left: 100px;\n}<\/p>\n<p>#calcTitle {\ntext-align: center;\nfont-size: 20px;\nmargin-bottom: 0px;\nfont-family: 'Raleway', serif;\n}<\/p>\n<p>#hr_top {\nwidth: 30%;\nmargin-bottom: 0px;\nborder: none;\nheight: 2px;\ncolor: black;\nbackground-color: black;\n}<\/p>\n<p>#hr_bottom {\nwidth: 30%;\nmargin-top: 15px;\nborder: none;\nheight: 2px;\ncolor: black;\nbackground-color: black;\n}<\/p>\n<p>#words label, input {\n    display: inline-block;\n    vertical-align: baseline;\n    width: 350px;\n}<\/p>\n<p>    #button {\n      border: 1px solid;\n      border-radius: 10px;\n      margin-top: 20px;<\/p>\n<p>      cursor: pointer;\n      outline: none;\n      background-color: white;\n      color: black;\n      font-family: 'Work Sans', sans-serif;\n      border: 1px solid grey;\n      \/* Green *\/\n    }<\/p>\n<p>    #button:hover {\n      background-color: #f6f6f6;\n      border: 1px solid black;\n    }<\/p>\n<p>\t.label_radio {\n\ttext-align: center;\n    }<\/p>\n<p>td, tr, th {\n    border: 1px solid black;\n}\ntable {\n    border-collapse: collapse;\n}\ntd, th {\n    min-width: 40px;\n    height: 15px;\n}\n.prob, .freq {\n    width: 100%;\n    display: block;\n}<\/p>\n<p>.outcome_labels {\n    text-align: center;\n    background-color: #ddd;\n    font-weight: bold;\n}<\/p>\n<p>.outcome_labels_blank {\n    visibility: hidden;\n}<\/p>\n<p>.outcome_labels_header {\n    text-align: center;\n    background-color: #adf4eb;\n    font-weight: bold;\n    border-top: black 1px solid;\n}<\/p>\n<p>.outcome_labels_header_b {\n    vertical-align: middle;\n    text-align: center;\n    background-color: #adf4eb;\n    font-weight: bold;\n}<\/p>\n<p>#words_table {\ncolor: black;\nfont-family: Raleway;\nmax-width: 350px;\nmargin: 25px auto;\nline-height: 1.75;\n}<\/p>\n<p>#summary_table {\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\npadding-left: 20px;\n}<\/p>\n<p>    .label_radio {\n\ttext-align: center;\n}\n<\/style>\n<div id=\"words\">\n<p style=\"text-align: left\"><b>O teste de McNemar<\/b> \u00e9 usado para verificar se as contagens s\u00e3o consistentes ou n\u00e3o entre dois grupos. \u00c9 frequentemente usado para testar se as contagens entre um grupo de tratamento e um grupo de controle s\u00e3o iguais.<\/p>\n<p style=\"text-align: left\"> Dada a seguinte tabela 2&#215;2: <\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/exemple_mcnemar.png\" alt=\"Exemplo de teste McNemar\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\"text-align: left\"> A estat\u00edstica de teste X <sup>2<\/sup> \u00e9 calculada como (|bc|-1) <sup>2<\/sup> \/ (b+c) e segue uma distribui\u00e7\u00e3o qui-quadrado com um grau de liberdade.<\/p>\n<p style=\"text-align: left\"> Para realizar o teste de McNemar para um determinado conjunto de dados, basta inserir os valores nas c\u00e9lulas abaixo e pressionar o bot\u00e3o \u201cCalcular\u201d. <\/p>\n<\/div>\n<div id=\"words_table\">\n<table>\n<tbody>\n<tr>\n<td class=\"outcome_labels_blank\"><\/td>\n<td class=\"outcome_labels_blank\"><\/td>\n<td class=\"outcome_labels_header\" colspan=\"2\"> Teste 2 <\/td>\n<\/tr>\n<tr>\n<td class=\"outcome_labels_blank\"><\/td>\n<td class=\"outcome_labels_blank\"><\/td>\n<td class=\"outcome_labels\"> Positivo<\/td>\n<td class=\"outcome_labels\"> Negativo<\/td>\n<\/tr>\n<tr>\n<td class=\"outcome_labels_header_b\" rowspan=\"2\"> Teste 1<\/td>\n<td class=\"outcome_labels\"> <span>Positivo<\/span> <\/td>\n<td><span class=\"prob b1a1\" contenteditable=\"\"><\/span><\/td>\n<td><span class=\"freq b0a1\" contenteditable=\"\"><\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"outcome_labels\"><span>Negativo<\/span> <\/td>\n<td><span class=\"prob b1a0\" contenteditable=\"\"><\/span><\/td>\n<td><span class=\"freq b0a0\" contenteditable=\"\"><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div id=\"words_table\"><input type=\"button\" id=\"button\" onclick=\"calc()\" value=\"Calculate\"><\/div>\n<div>\n<p><span id=\"chi2\"><\/span><\/p>\n<\/div>\n<div>\n<p><span id=\"p\"><\/span><\/p>\n<\/div>\n<p><script><\/p>\n<p>\/\/create function that performs calculations\nfunction calc() {<\/p>\n<p>\/\/get data\nvar b1a1 = document.getElementsByClassName('b1a1')[0].innerText*1;\nvar b1a0 = document.getElementsByClassName('b1a0')[0].innerText*1;\nvar b0a1 = document.getElementsByClassName('b0a1')[0].innerText*1;\nvar b0a0 = document.getElementsByClassName('b0a0')[0].innerText*1;<\/p>\n<p>\/\/calculate test statistic, p-value\nvar chi2 = Math.pow(Math.abs(b0a1-b1a0) - 1, 2) \/ (b0a1-(-b1a0));\nvar p = 1 - jStat.chisquare.cdf(chi2, 1);<\/p>\n<p>\/\/output results\ndocument.getElementById('chi2').innerHTML = \"<b>Test statistic X<sup>2<\/sup> :<\/b> \" + \"(|\" + b0a1 + \"-\" + b1a0 + \"| - 1)<sup>2<\/sup> \/ (\" + b0a1 + \"+\" + b1a0 + \") = \" + chi2.toFixed(5);\ndocument.getElementById('p').innerHTML = \"<b>p-value:<\/b> \" + p.toFixed(5);<\/p>\n<p>}<\/p>\n<p><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O teste de McNemar \u00e9 usado para verificar se as contagens s\u00e3o consistentes ou n\u00e3o entre dois grupos. \u00c9 frequentemente usado para testar se as contagens entre um grupo de tratamento e um grupo de controle s\u00e3o iguais. Dada a seguinte tabela 2&#215;2: A estat\u00edstica de teste X 2 \u00e9 calculada como (|bc|-1) 2 \/ [&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-436","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>Calculadora de Teste McNemar - Estatologia<\/title>\n<meta name=\"description\" content=\"Esta calculadora realiza o teste de McNemar para um determinado conjunto de dados, que testa se as contagens s\u00e3o consistentes ou n\u00e3o entre dois grupos.\" \/>\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\/calculadora-de-teste-mcnemars\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calculadora de Teste McNemar - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Esta calculadora realiza o teste de McNemar para um determinado conjunto de dados, que testa se as contagens s\u00e3o consistentes ou n\u00e3o entre dois grupos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/calculadora-de-teste-mcnemars\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T22:47:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/exemple_mcnemar.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<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-teste-mcnemars\/\",\"url\":\"https:\/\/statorials.org\/pt\/calculadora-de-teste-mcnemars\/\",\"name\":\"Calculadora de Teste McNemar - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-29T22:47:58+00:00\",\"dateModified\":\"2023-07-29T22:47:58+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Esta calculadora realiza o teste de McNemar para um determinado conjunto de dados, que testa se as contagens s\u00e3o consistentes ou n\u00e3o entre dois grupos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-teste-mcnemars\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/calculadora-de-teste-mcnemars\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-teste-mcnemars\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculadora de teste mcnemar\"}]},{\"@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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