Image Sharpeningd3.blurd3.rankd3.flatGroup, d3.flatRollupd3.modeSet Operationsd3.groups as a hierarchyd3.fsum, d3.AdderTime thresholds for d3.bind3.cumsumTidy Stacked Area ChartMerging Duplicate Valuesd3.zip, d3.transposed3.bind3.ticksd3.mean, d3.median, and friendsd3.quickselectd3.bisectd3.sumd3.group, d3.rollup, d3.indexd3.countd3.min, d3.max, d3.extentd3.least, d3.greatestd3.pairsd3.crossd3.ascending, d3.descendingd3.merged3.ranged3.permuted3.shuffled3-array 2.0
d3.groupSort
barley = FileAttachment("barley.csv").csv({typed: true})
d3.rollups(barley, group => d3.median(group, d => d.yield), d => d.variety)
.sort(([, a], [, b]) => d3.ascending(a, b))
.map(([key]) => key)
d3.groupSort(barley, g => d3.median(g, d => d.yield), d => d.variety)
d3.groupSort(barley, g => -d3.median(g, d => d.yield), d => d.variety)
d3.groupSort(barley, (a, b) => d3.descending(d3.median(a, d => d.yield), d3.median(b, d => d.yield)), d => d.variety)
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.
