Image Sharpeningd3.blurd3.rankd3.flatGroup, d3.flatRollupd3.moded3.groupSortSet Operationsd3.groups as a hierarchyd3.fsum, d3.AdderTime thresholds for d3.bind3.cumsumTidy Stacked Area ChartMerging Duplicate Valuesd3.zip, d3.transposed3.bind3.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