{"id":434,"date":"2023-07-29T23:03:07","date_gmt":"2023-07-29T23:03:07","guid":{"rendered":"https:\/\/statorials.org\/nl\/uitschieter-rekenmachine\/"},"modified":"2023-07-29T23:03:07","modified_gmt":"2023-07-29T23:03:07","slug":"uitschieter-rekenmachine","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/uitschieter-rekenmachine\/","title":{"rendered":"Uitschieter rekenmachine"},"content":{"rendered":"<p><script src=\"https:\/\/unpkg.com\/d3@4.6.0\"><\/script><script src=\"https:\/\/unpkg.com\/d3fc@12.1.0\"><\/script><script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/d3-legend\/2.18.0\/d3-legend.min.js\"><\/script><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>#chart {\n  width: 100%;\n  height: 500px;\n}<\/p>\n<p>.point path {\n  opacity: 0.5\n}<\/p>\n<p>.y-axis-label {\n  white-space: nowrap;\n  transform: rotate(-90deg) translateY(-3em) !important;\n}<\/p>\n<p>.y-axis-label, .x-axis-label {\n  font-size: 1.5em;\n}<\/p>\n<p>.x-axis .tick {\ndisplay: none;\n}<\/p>\n<p>.axis--y .domain {\n  display: none;\n}<\/p>\n<p>h1 {\ntext-align: center;\nfont-size: 50px;\nmargin-bottom: 0px;\nfont-family: 'Raleway', 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 {\npadding-left: 30px;\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\n}<\/p>\n<p>#words_summary {\npadding-left: 70px;\ncolor: black;\nfont-family: Raleway;\nmax-width: 550px;\nmargin: 25px auto;\nline-height: 1.75;\n}<\/p>\n<p>#words_text {\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#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>\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: 50px;\n    height: 21px;\n}\n    .label_radio {\n\ttext-align: center;\n}<\/p>\n<p>#text_area_input {\n\tpadding-left: 35%;\n\tfloat: left;\n}<\/p>\n<p>svg:not(:root) {\n  overflow: visible;\n}<\/p>\n<\/style>\n<div id=\"words\">\n<p style=\"text-align: left\">Een <b>uitbijter<\/b> wordt gedefinieerd als elke waarneming in een dataset die 1,5 IQR hoger is dan het derde kwartiel of 1,5 IQR lager dan het eerste kwartiel, waarbij IQR staat voor &#8222;interkwartielbereik&#8220; en het verschil tussen het eerste en derde kwartiel vertegenwoordigt.<\/p>\n<p style=\"text-align: left\"> Om uitschieters voor een bepaalde dataset te identificeren, voert u uw door komma&#8217;s gescheiden gegevens in het onderstaande vak in en klikt u vervolgens op de knop &#8218;Identificeer uitschieters&#8216;: <\/p>\n<\/div>\n<div id=\"words_table\"><textarea id=\"input_data\" name=\"x\" rows=\"5\" cols=\"40\"><\/textarea><\/div>\n<div id=\"words_table\"><input type=\"button\" id=\"button\" onclick=\"calc()\" value=\"Identify Outliers\"><\/div>\n<div id=\"words_table\">\n<p style=\"text-align: left\"> <b>Uitschieters:<\/b><span id=\"outliers\"><\/span><\/p>\n<p style=\"text-align: left\"> Minimum:<span id=\"min\"><\/span><\/p>\n<p style=\"text-align: left\"> Eerste kwartiel:<span id=\"quartile1\"><\/span><\/p>\n<p style=\"text-align: left\"> Mediaan:<span id=\"mid\"><\/span><\/p>\n<p style=\"text-align: left\"> Derde kwartiel:<span id=\"quartile3\"><\/span><\/p>\n<p style=\"text-align: left\"> Maximaal:<span id=\"max\"><\/span><\/p>\n<\/div>\n<p><script><\/p>\n<p>\/\/function to get weird object keys from object that holds boxplot\nfunction resolve(path, obj=self, separator='.') {\n    var properties = Array.isArray(path) ? path : path.split(separator)\n    return properties.reduce((prev, curr) => prev && prev[curr], obj)\n}<\/p>\n<p>function calc() {<\/p>\n<p>var input_data = document.getElementById('input_data').value.match(\/\\d+\/g).map(Number);<\/p>\n<p>var data = [];\nfor (var i=0; i < input_data.length; i++) {\n    data.push({\n        Q1: input_data[i]\n    });\n}\n\nvar box = (values) => {\n  var sorted = values.slice();\n  sorted.sort((a, b) => a - b);<\/p>\n<p>  var max = sorted[sorted.length - 1];\n  var min = sorted[0];<\/p>\n<p>  \/\/var upper = d3.quantile(sorted, 0.75);\n  \/\/var mid = d3.quantile(sorted, 0.5);\n  \/\/var lower = d3.quantile(sorted, 0.25);<\/p>\n<p>\/\/ find the median of the sample\n    var mid = math.median(sorted);<\/p>\n<p>    \/\/ split the data by the median\n    var _firstHalf = sorted.filter(function(f){ return f < mid})\n    var _secondHalf = sorted.filter(function(f){ return f > mid})<\/p>\n<p>    \/\/ find the medians for each split, calculate IQR\n    var lower = math.median(_firstHalf);\n    var upper = math.median(_secondHalf);<\/p>\n<p>  var lowerLimit = lower - ((upper - lower) * 1.5);\n  var lowerWhisker = sorted.find(function(d) { return d > lowerLimit; });<\/p>\n<p>  var upperLimit = upper - (-1 * ((upper - lower) * 1.5));\n  var upperWhisker = sorted.reverse().find(function(d) { return d < upperLimit; });\n\n  return {\n    upper: upper, mid: mid, lower: lower, lowerWhisker: lowerWhisker,\n    upperWhisker: upperWhisker, max: max, min:min,\n    outliers: values.filter(function(d) { return d > upperWhisker || d < lowerWhisker; })\n  }\n}\n\nvar flatten = function(arrays) {\n  return arrays.reduce(function(a, b) {\n    return a.concat(b);\n  }, [])\n}\n  var quarters = Object.keys(data[0]);\n  var series = quarters.map(function(q) {\n    return {\n      quarter: q,\n      data: box(data.map(function(d) { return Number(d[q]); }))\n    };\n  })\n\n  var yFormat = d3.format(',.0f');\n\n  var yExtent = fc.extentLinear()\n    .accessors([function(d) { return d.max; }, function(d) { return d.min; }])\n    .pad([0, 0.1])\n    .include([0])\n\n  var boxplot = fc.seriesSvgBoxPlot()\n      .crossValue(function(d) { return d.quarter; })\n      .medianValue(function(d) { return d.data.mid; })\n      .barWidth(50)\n      .upperQuartileValue(function(d) { return d.data.upper; })\n      .lowerQuartileValue(function(d) { return d.data.lower; 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en het verschil tussen het eerste en derde kwartiel vertegenwoordigt. Om uitschieters voor een bepaalde dataset te identificeren, voert u uw door komma&#8217;s [&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-434","post","type-post","status-publish","format-standard","hentry","category-gids"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Uitbijtercalculator - Statorials<\/title>\n<meta name=\"description\" content=\"Deze rekenmachine identificeert uitschieters voor elke dataset. 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