{"id":499,"date":"2023-07-29T17:03:04","date_gmt":"2023-07-29T17:03:04","guid":{"rendered":"https:\/\/statorials.org\/pt\/calculadora-de-frequencia-relativa\/"},"modified":"2023-07-29T17:03:04","modified_gmt":"2023-07-29T17:03:04","slug":"calculadora-de-frequencia-relativa","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/calculadora-de-frequencia-relativa\/","title":{"rendered":"Calculadora de frequ\u00eancia relativa"},"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-top: 15px;\nmargin-bottom: 0px;\nfont-family: 'Raleway', sans-serif;\n}<\/p>\n<p>h2 {\ncolor: black;\nfont-size: 20px;\ntext-align: center;\nmargin-bottom: 15px;\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_intro {\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\n}<\/p>\n<p>#words_outro {\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\n}<\/p>\n<p>#words {\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;\nmargin-top: 10px;\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>.input_label_calc {\n    display: inline-block;\n    vertical-align: baseline;\n    width: 350px;\n}<\/p>\n<p>    #button_calc {\n      border: 1px solid;\n      border-radius: 10px;\n      margin-top: 20px;\n      padding: 10px 10px;\n      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_calc: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>\t#words_table {\ncolor: black;\nfont-family: Raleway;\nmax-width: 350px;\nmargin: 25px auto;\nline-height: 1.75;\n}\n<\/style>\n<div id=\"words_intro\">Uma <b>tabela de frequ\u00eancia<\/b> \u00e9 uma tabela que mostra quantas vezes determinados valores aparecem em um conjunto de dados.<\/div>\n<div id=\"words_intro\"> Uma <b>tabela de frequ\u00eancia relativa<\/b> \u00e9 uma tabela que mostra quantas vezes determinados valores aparecem em rela\u00e7\u00e3o a todas as observa\u00e7\u00f5es em um conjunto de dados.<\/div>\n<div id=\"words_intro\"> Para criar uma tabela de frequ\u00eancia relativa para um determinado conjunto de dados, basta inserir os valores separados por v\u00edrgulas na caixa abaixo e clicar no bot\u00e3o \u201cCalcular\u201d.<\/div>\n<div id=\"words_table\"><textarea id=\"input_data\" name=\"x\" rows=\"5\" cols=\"40\"> 4, 14, 16, 22, 24, 25, 37, 38, 38, 40, 41, 41, 43, 44 <\/textarea><\/div>\n<div id=\"words\"><input class=\"input_label_calc\" type=\"button\" id=\"button_calc\" onclick=\"calc()\" value=\"Calculate\"><\/div>\n<div id=\"words_intro\">\n<div id=\"table_output\"><\/div>\n<\/div>\n<div class=\"content_hint\"><\/div>\n<p><script><\/p>\n<p>function calc() {<\/p>\n<p>\/\/remove current table if one exists\nvar element = document.getElementsByTagName('table')[0];\n    if(element) {element.parentNode.removeChild(element)}<\/p>\n<p>\/\/get input values\nvar input_data = document.getElementById('input_data').value.split(',').map(Number);<\/p>\n<p>\/\/calculate stuff\nvar occurrence = function (array) {\n    \"use strict\";\n    var result = {};\n    if (array instanceof Array) { \/\/ Check if input is array.\n        array.forEach(function (v, i) {\n            if (!result[v]) { \/\/ Initial object property creation.\n                result[v] = [i]; \/\/ Create an array for that property.\n            } else { \/\/ Same occurrences found.\n                result[v].push(i); \/\/ Fill the array.\n            }\n        });\n    }\n    return result;\n};\nvar size = Object.keys(occurrence(input_data)).length;<\/p>\n<p>\/\/create array of relative and cumulative values\nvar relFreqArray = [];\nfor (var i = 0; i < size; i++){\n    relFreqArray[i] = (occurrence(input_data)[Object.keys(occurrence(input_data))[i]].length \/ input_data.length)\n}\n\nfor (var cumsum = [relFreqArray[0]], i = 0, l = relFreqArray.length-1; i<l; i++) {\n    cumsum[i+1] = cumsum[i] + relFreqArray[i+1]; \n}\n\n\/\/generate table of frequencies\nvar table = document.createElement('table');\n    function boldHTML(text) {\n  var element = document.createElement(\"b\");\n  element.innerHTML = text;\n  return element;\n}\n    var tr = document.createElement('tr');   \n\n    var td1 = document.createElement('td');\n    var td2 = document.createElement('td');\n    var td3 = document.createElement('td');\n    var td4 = document.createElement('td');\n\n    td1.appendChild(boldHTML('Value'));\n    td2.appendChild(boldHTML('Frequency'));\n    td3.appendChild(boldHTML('Relative Frequency'));\n    td4.appendChild(boldHTML('Cumulative Relative Frequency'));\n\n    tr.appendChild(td1);\n    tr.appendChild(td2);\n    tr.appendChild(td3);\n    tr.appendChild(td4);\n\n    table.appendChild(tr);\nfor (var i = 0; i < size; i++){\n    var tr = document.createElement('tr');   \n\n    var td1 = document.createElement('td');\n    var td2 = document.createElement('td');\n    var td3 = document.createElement('td');\n    var td4 = document.createElement('td');\n\n    var text1 = document.createTextNode(Object.keys(occurrence(input_data))[i]);\n    var text2 = document.createTextNode(occurrence(input_data)[Object.keys(occurrence(input_data))[i]].length);\n    var text3 = document.createTextNode(relFreqArray[i].toFixed(4));\n    var text4 = document.createTextNode(cumsum[i].toFixed(4));\n\n    td1.appendChild(text1);\n    td2.appendChild(text2);\n    td3.appendChild(text3);\n    td4.appendChild(text4);\n\n    tr.appendChild(td1);\n    tr.appendChild(td2);\n    tr.appendChild(td3);\n    tr.appendChild(td4);\n\n    table.appendChild(tr);\n}\ndocument.getElementById('table_output').appendChild(table);\n\n\/\/output results\n\/\/document.getElementById('ss').innerHTML = ss.toFixed(2);\n}\n\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uma tabela de frequ\u00eancia \u00e9 uma tabela que mostra quantas vezes determinados valores aparecem em um conjunto de dados. Uma tabela de frequ\u00eancia relativa \u00e9 uma tabela que mostra quantas vezes determinados valores aparecem em rela\u00e7\u00e3o a todas as observa\u00e7\u00f5es em um conjunto de dados. Para criar uma tabela de frequ\u00eancia relativa para um determinado [&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-499","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 frequ\u00eancia relativa - Estatologia<\/title>\n<meta name=\"description\" content=\"Esta calculadora encontra a frequ\u00eancia relativa de cada valor em um determinado conjunto de dados, bem como a frequ\u00eancia relativa cumulativa.\" \/>\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-frequencia-relativa\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calculadora de frequ\u00eancia relativa - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Esta calculadora encontra a frequ\u00eancia relativa de cada valor em um determinado conjunto de dados, bem como a frequ\u00eancia relativa cumulativa.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/calculadora-de-frequencia-relativa\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T17:03:04+00:00\" \/>\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-frequencia-relativa\/\",\"url\":\"https:\/\/statorials.org\/pt\/calculadora-de-frequencia-relativa\/\",\"name\":\"Calculadora de frequ\u00eancia relativa - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-29T17:03:04+00:00\",\"dateModified\":\"2023-07-29T17:03:04+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Esta calculadora encontra a frequ\u00eancia relativa de cada valor em um determinado conjunto de dados, bem como a frequ\u00eancia relativa cumulativa.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-frequencia-relativa\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/calculadora-de-frequencia-relativa\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/calculadora-de-frequencia-relativa\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculadora de frequ\u00eancia relativa\"}]},{\"@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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