Type Alias ChartNumericBinning

Which end of each bin interval is closed (inclusive).

Values above this go into an overflow bin, and the regular bins stop here. auto lets the application choose the threshold. When absent, there's no overflow bin.

Values below this go into an underflow bin, and the regular bins start here. auto lets the application choose the threshold. When absent, there's no underflow bin, and the regular bins start at the smallest value.