Manipulating datasets in arraysBuilt-in JavaScript array methodsarray.filter(callback)array.map(callback)array.reduce(callback [, initialValue])More array manipulation with D3.jsd3.min(array[, accessor])d3.max(array[, accessor])d3.sum(array[, accessor])d3.mean(array[, accessor])d3.median(array[, accessor])d3.shuffle(array)d3.permute(array, indexes)d3.merge(array)d3.range([start, ]stop[, step)d3.zip(array, array, ...)d3.pairs(array)d3.keys(object)d3.values(object)d3.entries(object)Grouping elements with d3.nest