Box & Whisker

Box and Whisker series (AKA boxplots) show groups of numerical data through their quartiles. They have lines extending vertically from the boxes (whiskers) indicating variability outside the upper and lower quartiles.

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import * as chart from '@grapecity/wijmo.chart'; import * as analytics from '@grapecity/wijmo.chart.analytics'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { // create the chart let theChart = new chart.FlexChart('#theChart', { itemsSource: getData(), bindingX: 'country', tooltip: { content: '{seriesName}: <b>{x}</b>' }, palette: getRandomPalette() }); // // create BoxWhisker series for 'sales' and add it to the chart theChart.series.push(new analytics.BoxWhisker({ name: 'Sales', binding: 'sales', groupWidth: 0.7, gapWidth: 0.2 })); // // create BoxWhisker series for 'expenses' and add it to the chart theChart.series.push(new analytics.BoxWhisker({ name: 'Expenses', binding: 'expenses', groupWidth: 0.7, gapWidth: 0.2 })); // // customize the BoxWhisker series document.querySelector('#innerPoints').addEventListener('click', e => { theChart.series.forEach((series) => { series.showInnerPoints = e.target.checked; }); }); document.querySelector('#outliers').addEventListener('click', e => { theChart.series.forEach((series) => { series.showOutliers = e.target.checked; }); }); document.querySelector('#meanline').addEventListener('click', e => { theChart.series.forEach((series) => { series.showMeanLine = e.target.checked; }); }); document.querySelector('#meanmarker').addEventListener('click', e => { theChart.series.forEach((series) => { series.showMeanMarker = e.target.checked; }); }); document.querySelector('#rotated').addEventListener('click', e => { theChart.rotated = e.target.checked; }); // // randomize the data document.querySelector('#btnRandomize').addEventListener('click', () => { theChart.itemsSource = getData(); }); } // function getRandomPalette() { let palettes = Object.getOwnPropertyNames(chart.Palettes) .filter(prop => typeof chart.Palettes[prop] === "object" && prop !== 'prototype'); let rand = Math.floor(Math.random() * palettes.length); // return chart.Palettes[palettes[rand]]; }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexChart BoxWhisker</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div class="form-group"> <label for="innerPoints">Show Inner Points:</label> <input id="innerPoints" type="checkbox"> <label for="outliers">Show Outliers:</label> <input id="outliers" type="checkbox"> </div> <div class="form-group"> <label for="meanline">Show Mean Line:</label> <input id="meanline" type="checkbox"> <label for="meanmarker">Show Mean Marker:</label> <input id="meanmarker" type="checkbox"> </div> <div class="form-group"> <label for="rotated">Rotated:</label> <input id="rotated" type="checkbox"> <label for="btnRandomize">Randomize Data</label> <button id="btnRandomize" class="btn btn-default"> Go </button> </div> <div id="theChart"></div> </div> </body> </html>
// create some random data // the data items contain arrays of values rather than single values export function getData() { let countries = ['US', 'Canada', 'Mexico', 'Germany', 'UK', 'France', 'Japan', 'Korea', 'China'], data = []; // for (let i = 0; i < countries.length; i++) { data.push({ country: countries[i], sales: getRandomArray(20, 10000), expenses: getRandomArray(20, 5000) }); } // return data; } // function getRandomArray(count, max) { let arr = []; // for (var i = 0; i < count; i++) { arr.push(Math.random() * max / 3 + Math.random() * max / 3 + Math.random() * max / 3); } // return arr; }
.wj-flexchart { height: 300px; } label { width: 160px; text-align: right; } body { margin-bottom: 24px; }
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