Chart.js module for charting error bars plots. This plugin extends the several char types (bar, line, scatter, polarArea)
with their error bar equivalent (barWithErrorBars, lineWithErrorBars, scatterWithErrorBars, polarAreaWithErrorBars).
Bar Chart
Horizontal Bar Chart
Line Chart
Scatterplot
Polar Area plot
Check out also my other chart.js plugins:
- chartjs-chart-boxplot for rendering boxplots and violin plots
- chartjs-chart-geo for rendering map, bubble maps, and choropleth charts
- chartjs-chart-graph for rendering graphs, trees, and networks
- chartjs-chart-pcp for rendering parallel coordinate plots
- chartjs-chart-venn for rendering venn and euler diagrams
- chartjs-chart-wordcloud for rendering word clouds
- chartjs-plugin-hierarchical for rendering hierarchical categorical axes which can be expanded and collapsed
npm install --save chart.js chartjs-chart-error-barssee Examples
and
Several new styling keys are added to the individual chart types
The data structure depends on the chart type. It uses the fact that chart.js is supporting scatterplots. Thus, it is already prepared for object values.
see TypeScript Interface:
a combination of the previous two ones
and
Multiple error bars are supported.
The styling options support different array version.
Note: as with other chart.js style options, using an array will be one value per dataset. Thus, to specify the values for different error bars, one needs to wrap it in an object with a v key having the value itself. The outer for the dataset, the inner for the error bars.
see TypeScript interface:
Just use array of numbers for the corresponding data structures attributes (xMin, xMax, yMin, yMax). The error bars will be rendered in reversed order. Thus, by convention the most inner error bar is in the first place.
e.g.
{
y: 4,
yMin: [2, 1],
yMax: [5, 6]
}The ESM build of the library supports tree shaking thus having no side effects. As a consequence the chart.js library won't be automatically manipulated nor new controllers automatically registered. One has to manually import and register them.
Variant A:
import Chart, { LinearScale, CategoryScale } from 'chart.js';
import { BarWithErrorBarsController, BarWithErrorBar } from 'chartjs-chart-error-bars';
// register controller in chart.js and ensure the defaults are set
Chart.register(BarWithErrorBarsController, BarWithErrorBar, LinearScale, CategoryScale);
const chart = new Chart(document.getElementById('canvas').getContext('2d'), {
type: BarWithErrorBarsController.id,
data: {
labels: ['A', 'B'],
datasets: [
{
data: [
{
y: 4,
yMin: 1,
yMax: 6,
},
{
y: 2,
yMin: 1,
yMax: 4,
},
],
},
],
},
});Variant B:
import { BarWithErrorBarsChart } from 'chartjs-chart-error-bars';
const chart = new BarWithErrorBarsChart(document.getElementById('canvas').getContext('2d'), {
data: {
//...
},
});npm i -g yarn
yarn install
yarn sdks vscodeyarn install
yarn build![dependabot[bot] avatar](https://avatars.githubusercontent.com/in/29110?v=4 "dependabot[bot]")
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