observablehq/vega

Name: vega

Owner: Observable

Description: Convenience methods for using Vega and Vega-Lite in Observable.

Created: 2017-12-06 17:49:10.0

Updated: 2018-05-02 16:00:03.0

Pushed: 2018-05-23 05:55:06.0

Homepage: https://observablehq.com

Size: 2

Language: JavaScript

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README

@observablehq/vega

Convenience methods for using Vega and Vega-Lite in Observable. See this notebook for examples:

https://beta.observablehq.com/@mbostock/exploring-data-with-vega-lite

To load Vega-Lite:

lite = require("@observablehq/vega-lite@0.1")

To display a happy little chart:

lite({
ta: {
values: [
  {a: "A", b: 28}, {a: "B", b: 55}, {a: "C", b: 43},
  {a: "D", b: 91}, {a: "E", b: 81}, {a: "F", b: 53},
  {a: "G", b: 19}, {a: "H", b: 87}, {a: "I", b: 52}
]

rk: "bar",
coding: {
x: {field: "a", type: "ordinal"},
y: {field: "b", type: "quantitative"}

Or to load data with D3 and then display with Vega-Lite:

 require("d3-fetch@1")

 = d3.csv("https://vega.github.io/vega-lite/data/seattle-weather.csv")

lite({
ta: {values: data},
rk: "tick",
coding: {
x: {field: "precipitation", type: "quantitative"}