d3.ticks(start, stop, count) Returns an array of approximately count + 1 uniformly-spaced, nicely-rounded
d3.tickStep(start, stop, count) Returns the difference between adjacent tick values if the same arguments were
d3.zip(arrays…) Returns an array of arrays, where the ith array contains the ith element from each of the
d3.ascending(a, b) Returns -1 if a is less than b, or 1 if a is greater than b, or
d3.thresholdSturges(values) Returns the number of bins according to
d3.sum(array[, accessor]) Returns the sum of the given array of numbers. If the array is empty, returns 0. An
d3.transpose(matrix) Uses the zip operator as
bisector.left(array, x[, lo[, hi]]) Equivalent to
d3.median(array[, accessor]) Returns the median of the given array of numbers using the
d3.bisectLeft(array, x[, lo[, hi]]) Returns the insertion point for x in array to maintain
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