Estimate the proportion overlap of range on age. Used to estimate the effective coverage of an intervention whose target range does not line up with output age-ranges.

proportion_overlap(age_lower, age_upper, range_lower, range_upper)

Arguments

age_lower

Lower of output age lower bound

age_upper

Upper of output age upper bound

range_lower

Target age lower bound

range_upper

Target age upper bound

Value

Proportion(s)