Error Bars (Vue)

The ErrorBar class extends the regular Series class to provide error bars that can be added on top of the regular series data.

Learn about FlexChart | Error Bars Documentation | FlexChart API Reference

This example uses Vue.

<template> <div class="container-fluid"> <div class="form-group"> <label for="chartType">Chart Type:</label> <wj-combo-box id="chartType" :itemsSource="chartTypes" :selectedIndexChanged="onChartTypeChanged"> </wj-combo-box> </div> <div class="form-group"> <label for="error">Error:</label> <wj-combo-box id="error" displayMemberPath="hdr" :itemsSource="comboData" :selectedIndexChanged="onErrorChanged"> </wj-combo-box> </div> <div class="form-group"> <label for="btnRandomize">Randomize Data</label> <button id="btnRandomize" class="btn btn-default" @click="randomizeData"> Go </button> </div> <wj-flex-chart :itemsSource="data" bindingX="date" :chartType="chartType" :palette="palette"> <wj-flex-chart-error-bar :binding="errorValue ? 'amount' : 'amount,errorPlus,errorMinus'" :errorBarStyle="{ stroke: 'darkred', strokeWidth: 3 }" :value="errorValue" :errorAmount="errorMode"> </wj-flex-chart-error-bar> </wj-flex-chart> </div> </template> <script> import '@mescius/wijmo.styles/wijmo.css'; import 'bootstrap.css'; import Vue from 'vue'; import { isArray } from '@mescius/wijmo'; import { Palettes } from '@mescius/wijmo.chart'; import '@mescius/wijmo.vue2.input'; import '@mescius/wijmo.vue2.chart'; import '@mescius/wijmo.vue2.chart.analytics'; import { getData, getComboData } from './data'; // new Vue({ el: '#app', data: { data: getData(), comboData: getComboData(), chartTypes: ['Column', 'Bar', 'Scatter', 'Line', 'LineSymbols', 'Area', 'Spline', 'SplineSymbols', 'SplineArea'], chartType: 'Column', errorValue: null, errorMode: 'Custom', palette: (() => { // Get random palette let palettes = Object.keys(Palettes).filter(prop => isArray(Palettes[prop])); let rand = Math.floor(Math.random() * palettes.length); // return Palettes[palettes[rand]]; })() }, methods: { onChartTypeChanged(sender) { this.chartType = sender.selectedValue; }, onErrorChanged(sender) { this.errorValue = sender.selectedItem.value; this.errorMode = sender.selectedItem.mode; }, randomizeData() { this.data = getData(); } } }); </script> <style> .container-fluid .wj-flexchart { height: 250px; margin: 10px 0; } label { width: 150px; text-align: right; } body { margin-bottom: 24pt; } </style>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo FlexChart ErrorBar</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.vue'); </script> </head> <body> <div id="app"></div> </body> </html>
import * as wijmo from '@mescius/wijmo'; // // generate some random data export function getData() { let arr = [], date = new Date(); // for (let i = 0; i < 10; i++) { arr.push({ date: date, amount: 20 + 80 * Math.random(), errorPlus: 10 * Math.random(), errorMinus: 10 * Math.random(), }); // date = wijmo.DateTime.addMonths(date, 1); } // return arr; } // export function getComboData() { return [ { hdr: 'Bound Error Values', value: null, mode: 'Custom' }, { hdr: '15%', value: .15, mode: 'Percentage' }, { hdr: '5 units', value: 5, mode: 'FixedValue' }, { hdr: '1.5 Std Dev', value: 1.5, mode: 'StandardDeviation' }, { hdr: 'Standard Error', value: 1, mode: 'StandardError' }, { hdr: 'Plus 5, Minus 10', value: { plus: 5, minus: 10 }, mode: 'Custom' } ]; }
(function (global) { System.config({ transpiler: 'plugin-babel', babelOptions: { es2015: true }, meta: { '*.css': { loader: 'css' }, '*.vue': { loader: 'vue-loader' } //'*.vue': { loader: 'systemjs-plugin-vue' } }, paths: { // paths serve as alias 'npm:': 'node_modules/' }, // map tells the System loader where to look for things map: { '@mescius/wijmo': 'npm:@mescius/wijmo/index.js', '@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js', '@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles', '@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures', '@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js', '@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js', '@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js', '@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js', '@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js', '@mescius/wijmo.chart.finance.analytics': 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