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React Charts - Pareto Chart

You can utilize the DevExtreme Chart component to display data in a Pareto chart. A Pareto chart displays individual values along with their cumulative totals. In this demo, individual values are numbers of complaints and cumulative totals are represented as percentages.

Backend API
import React from 'react'; import Chart, { ArgumentAxis, CommonSeriesSettings, Legend, Series, Tooltip, ValueAxis, ConstantLine, Label, } from 'devextreme-react/chart'; import { complaintsData } from './data.ts'; const data = complaintsData.sort((a, b) => b.count - a.count); const totalCount = data.reduce((prevValue, item) => prevValue + item.count, 0); let cumulativeCount = 0; const dataArray = data.map((item) => { cumulativeCount += item.count; return { complaint: item.complaint, count: item.count, cumulativePercentage: Math.round((cumulativeCount * 100) / totalCount), }; }); function customizeTooltip(pointInfo) { return { html: `<div><div class="tooltip-header">${ pointInfo.argumentText }</div><div class="tooltip-body"><div class="series-name"><span class='top-series-name'>${ pointInfo.points[0].seriesName }</span>: </div><div class="value-text"><span class='top-series-value'>${ pointInfo.points[0].valueText }</span></div><div class="series-name"><span class='bottom-series-name'>${ pointInfo.points[1].seriesName }</span>: </div><div class="value-text"><span class='bottom-series-value'>${ pointInfo.points[1].valueText }</span>% </div></div></div>`, }; } function customizePercentageText({ valueText }) { return `${valueText}%`; } function App() { return ( <Chart title="Pizza Shop Complaints" dataSource={dataArray} palette="Harmony Light" id="chart" > <CommonSeriesSettings argumentField="complaint" /> <Series name="Complaint frequency" valueField="count" axis="frequency" type="bar" color="#fac29a" /> <Series name="Cumulative percentage" valueField="cumulativePercentage" axis="percentage" type="spline" color="#6b71c3" /> <ArgumentAxis> <Label overlappingBehavior="stagger" /> </ArgumentAxis> <ValueAxis name="frequency" position="left" tickInterval={300} /> <ValueAxis name="percentage" position="right" tickInterval={20} showZero={true} valueMarginsEnabled={false} > <Label customizeText={customizePercentageText} /> <ConstantLine value={80} width={2} color="#fc3535" dashStyle="dash" > <Label visible={false} /> </ConstantLine> </ValueAxis> <Tooltip enabled={true} shared={true} customizeTooltip={customizeTooltip} /> <Legend verticalAlignment="top" horizontalAlignment="center" /> </Chart> ); } export default App;
import React from 'react'; import Chart, { ArgumentAxis, CommonSeriesSettings, Legend, Series, Tooltip, ValueAxis, ConstantLine, Label, } from 'devextreme-react/chart'; import { complaintsData } from './data.js'; const data = complaintsData.sort((a, b) => b.count - a.count); const totalCount = data.reduce((prevValue, item) => prevValue + item.count, 0); let cumulativeCount = 0; const dataArray = data.map((item) => { cumulativeCount += item.count; return { complaint: item.complaint, count: item.count, cumulativePercentage: Math.round((cumulativeCount * 100) / totalCount), }; }); function customizeTooltip(pointInfo) { return { html: `<div><div class="tooltip-header">${pointInfo.argumentText}</div><div class="tooltip-body"><div class="series-name"><span class='top-series-name'>${pointInfo.points[0].seriesName}</span>: </div><div class="value-text"><span class='top-series-value'>${pointInfo.points[0].valueText}</span></div><div class="series-name"><span class='bottom-series-name'>${pointInfo.points[1].seriesName}</span>: </div><div class="value-text"><span class='bottom-series-value'>${pointInfo.points[1].valueText}</span>% </div></div></div>`, }; } function customizePercentageText({ valueText }) { return `${valueText}%`; } function App() { return ( <Chart title="Pizza Shop Complaints" dataSource={dataArray} palette="Harmony Light" id="chart" > <CommonSeriesSettings argumentField="complaint" /> <Series name="Complaint frequency" valueField="count" axis="frequency" type="bar" color="#fac29a" /> <Series name="Cumulative percentage" valueField="cumulativePercentage" axis="percentage" type="spline" color="#6b71c3" /> <ArgumentAxis> <Label overlappingBehavior="stagger" /> </ArgumentAxis> <ValueAxis name="frequency" position="left" tickInterval={300} /> <ValueAxis name="percentage" position="right" tickInterval={20} showZero={true} valueMarginsEnabled={false} > <Label customizeText={customizePercentageText} /> <ConstantLine value={80} width={2} color="#fc3535" dashStyle="dash" > <Label visible={false} /> </ConstantLine> </ValueAxis> <Tooltip enabled={true} shared={true} customizeTooltip={customizeTooltip} /> <Legend verticalAlignment="top" horizontalAlignment="center" /> </Chart> ); } export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );
export const complaintsData = [ { complaint: 'Cold pizza', count: 780 }, { complaint: 'Not enough cheese', count: 120 }, { complaint: 'Underbaked or Overbaked', count: 52 }, { complaint: 'Delayed delivery', count: 1123 }, { complaint: 'Damaged pizza', count: 321 }, { complaint: 'Incorrect billing', count: 89 }, { complaint: 'Wrong size delivered', count: 222 }, ];
window.exports = window.exports || {}; window.config = { transpiler: 'ts', typescriptOptions: { module: 'system', emitDecoratorMetadata: true, experimentalDecorators: true, jsx: 'react', }, meta: { 'react': { 'esModule': true, }, 'typescript': { 'exports': 'ts', }, 'devextreme/time_zone_utils.js': { 'esModule': true, }, 'devextreme/localization.js': { 'esModule': true, }, 'devextreme/viz/palette.js': { 'esModule': true, }, 'openai': { 'esModule': true, }, }, paths: { 'npm:': 'https://cdn.jsdelivr.net/npm/', 'bundles:': '../../../../bundles/', 'externals:': '../../../../bundles/externals/', }, defaultExtension: 'js', map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@4.2.4/lib/typescript.js', 'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js', 'react': 'npm:react@17.0.2/umd/react.development.js', 'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js', 'prop-types': 'npm:prop-types/prop-types.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign', 'devextreme': 'npm:devextreme@25.1.4/cjs', 'devextreme-react': 'npm:devextreme-react@25.1.4/cjs', 'devextreme-quill': 'npm:devextreme-quill@1.7.3/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.2.19/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.62/dist/dx-gantt.js', 'inferno': 'npm:inferno@8.2.3/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@8.2.3/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js', '@preact/signals-core': 'npm:@preact/signals-core@1.8.0/dist/signals-core.min.js', 'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3', // SystemJS plugins 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', // Prettier 'prettier/standalone': 'npm:prettier@2.8.8/standalone.js', 'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js', }, packages: { 'devextreme': { defaultExtension: 'js', }, 'devextreme-react': { main: 'index.js', }, 'devextreme-react/common': { main: 'index.js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/common/core/events/utils': { main: 'index', }, 'devextreme/localization/messages': { format: 'json', defaultExtension: 'json', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', ], babelOptions: { sourceMaps: false, stage0: true, react: true, }, }; System.config(window.config);
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));
export const complaintsData = [ { complaint: 'Cold pizza', count: 780 }, { complaint: 'Not enough cheese', count: 120 }, { complaint: 'Underbaked or Overbaked', count: 52 }, { complaint: 'Delayed delivery', count: 1123 }, { complaint: 'Damaged pizza', count: 321 }, { complaint: 'Incorrect billing', count: 89 }, { complaint: 'Wrong size delivered', count: 222 }, ];
<!DOCTYPE html> <html lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/25.1.4/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.tsx"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"></div> </div> </body> </html>
#chart { height: 440px; } .tooltip-header { margin-bottom: 5px; font-size: 16px; font-weight: 500; padding-bottom: 5px; border-bottom: 1px solid #c5c5c5; } .tooltip-body { width: 170px; } .tooltip-body .series-name { font-weight: normal; opacity: 0.6; display: inline-block; line-height: 1.5; padding-right: 10px; width: 126px; } .tooltip-body .value-text { display: inline-block; line-height: 1.5; width: 30px; }

To create a Pareto chart, configure two series objects. Assign the Bar and Line/Spline series types to series.type. To represent the numbers of the Pareto principle (80/20), you can specify constant lines. This demo configures a valueAxis.constantLines object to display a constant line at 80% of the cumulative total axis.