chord diagram playgroundarc diagram playgroundstreamgraph playgroundstacked area playgroundcircle packing playgrounddendogram / tree playgroundpie chart playgrounddonut chart playgroundtreemap playgroundradial barchart playgroundparallel coordinates playgroundradar chart playgroundbar chart playgroundbubble chart playgroundcorrelogram playgroundheatmap playgroundoverlapping density playgroundbox plot playgroundsankey diagram playgroundviolin plot playgroundline chart playgroundbeeswarm playgroundhexbin playgroundcontour playgroundhistogram playgroundscatter plot playground
ridgeline playground
data = {
let data = await FileAttachment('timeseries.json').json()
const dateParse = d3.timeParse('%Y-%m-%d')
data.forEach(d => {
d.date = dateParse(d.date),
d.value = d.new_confirmed_cases_seven_day_average_per_100k
})
data = data.filter(d => d.date > dateParse('2020-04-25'))
const dates = Array.from(d3.group(data, d => +d.date).keys()).sort(d3.ascending)
return {
dates: dates.map(d => new Date(d)),
series: d3.groups(data, d => d.region)
.map(([name, values]) => {
const value = new Map(values.map(d => [+d.date, d.value]))
return { name, values: dates.map(d => value.get(d)) }
})
}
}
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.
