2D histogram of predicting from the first or second time point of an outbreak of the minimum discrepancy model.

(a) predicted from the month 121, with monthly prediction discrepancy 306.0, and the sum of yearly prediction discrepancy of all age groups per month is 246.7. (b) predicted from the month 190, with monthly prediction discrepancy 320.4, and the sum of yearly prediction discrepancy of all age groups per month is 237.2.