md`# Stacked Chart Example`
import {vl} from '@vega/vega-lite-api'
import {printTable, uniqueValid} from '@uwdata/data-utilities'
datasets = require('vega-datasets')
barleyData = datasets['barley.json']()
printTable(barleyData.slice(0,5))
vl.markBar()
.data(barleyData)
.encode(
vl.x().fieldQ('yield').aggregate('sum'),
vl.y().fieldN('variety'),
vl.color().fieldN('site')
)
.render()
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
