Calculate with periods (format yyyymm)
Usage
yyyymm_calc(yyyymm, add_month = 0, add_year = 0, diff_to = NA)
Arguments
- yyyymm
Input vector of periods (format yyyymm)
- add_month
How many months to add (can be negative too)
- add_year
How many years to add (can be negative too)
- diff_to
Difference between date and yyyymm (format yyyymm)
Value
Vector of periods (format yyyymm) or number of months
Examples
yyyymm_calc(202412, add_month = 1)
#> [1] 202501
yyyymm_calc(c(202411,202412,202501), add_month = -1, add_year = 1)
#> [1] 202510 202511 202512
yyyymm_calc(202410, diff_to = 202501)
#> [1] 3
yyyymm_calc(c(202411,202412,202501,202502), diff_to = 202501)
#> [1] 2 1 0 -1
