produceFrom
Re-bin given histogram to be compatible if exiting bin fully falls inside existing bin, this bin value is increased by one. If not, all bins including values from this bin are increased by fraction (conserving the norming).
Re-bin given histogram to be compatible if exiting bin fully falls inside existing bin, this bin value is increased by one. If not, all bins including values from this bin are increased by fraction (conserving the norming).