`coh.Rd`

Compute cohort index from age and period index

coh(agegroup, period, noa, periods_per_agegroup)

agegroup | age group index |
---|---|

period | period index |

noa | number of age groups in total |

periods_per_agegroup | periods per age group |

cohort index

# 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