histfunc

Enumerated , one of ( "count" | "sum" | "avg" | "min" | "max" ) Specifies the binning function used for this histogram trace. If "count", the histogram values are computed by counting the number of values lying inside each bin. If "sum", "avg", "min", "max", the histogram values are computed using the sum, the average, the minimum or the maximum of the values lying inside each bin respectively. Default: "count"