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@nebula.js/sn-distributionplot

v0.40.8

Published

Distributionplot supernova

Downloads

2,191

Readme

@nebula.js/sn-distributionplot

The distribution plot is suitable for comparing range and distribution for groups of numerical data. Data is plotted as value points along an axis.

Requirements

Requires @nebula.js/stardust version 1.4.0 or later.

Installing

If you use pnpm: pnpm install @nebula.js/sn-distributionplot. You can also load through the script tag directly from https://unpkg.com.

Usage

In a distribution plot you need to use one or two dimensions, and one measure. If you use a single dimension you will receive a single line visualization. If you use two dimensions, you will get one line for each value of the second, or outer, dimension.

import { embed } from '@nebula.js/stardust';
import distributionplot from '@nebula.js/sn-distributionplot';

// 'app' is an enigma app model
const embeddable = embed(app, {
  types: [
    {
      // register distribution plot chart
      name: 'distributionplot',
      load: () => Promise.resolve(distributionplot),
    },
  ],
});

embeddable.render({
  element,
  type: 'distributionplot',
  fields: ['Product Sub Group', 'Product Group', '=Avg(Sales)'],
});

More examples

Vertical distribution plot

Setting orientation property value to vertical. Default value is horizontal.

embeddable.render({
  element,
  type: 'distributionplot',
  fields: ['Product Sub Group', 'Product Group', '=Avg(Sales)'],
  // overrides default properties
  properties: {
    orientation: 'vertical',
  },
});

Different ways to present distribution plot

Points only

Displays value points only.

embeddable.render({
  element,
  type: 'distributionplot',
  fields: ['Product Sub Group', 'Product Group', '=Avg(Sales)'],
  // overrides default properties
  properties: {
    presentation: {
      visibleComponents: 'points',
    },
  },
});

Background only

Displays a bounding box showing the range of the values only.

embeddable.render({
  element,
  type: 'distributionplot',
  fields: ['Product Sub Group', 'Product Group', '=Avg(Sales)'],
  // overrides default properties
  properties: {
    presentation: {
      visibleComponents: 'box',
    },
  },
});

Bubble size and jitter

You can adjust the size of the bubbles that illustrate the value points by setting bubbleScales value.

You can set displacement to jitter to jitter several overlapping value points. This moves some of the points slightly to create a larger footprint that shows that there are more than one value behind the point.

embeddable.render({
  element,
  type: 'distributionplot',
  fields: ['Product Sub Group', 'Product Group', '=Avg(Sales)'],
  // overrides default properties
  properties: {
    dataPoint: {
      bubbleScales: 90,
      displacement: 'jitter',
    },
  },
});