Compute cohort index from age and period index
Usage
coh(agegroup, period, noa, periods_per_agegroup)
Arguments
- agegroup
age group index
- period
period index
- noa
number of age groups in total
- periods_per_agegroup
periods per age group
Examples
# last agegroup in first period equals first cohort
coh(10, 1, 10, 5)
#> [1] 1
# first agegroup in last period equals last cohort
coh(1, 8, 10, 5)
#> [1] 53
