Man pages for junkka/poplink2018
POPLINK data
| as_date | Integer date to Date object |
| diff_months | Difference in months between dates |
| diff_years | Difference in fraction of years between dates |
| eh_data | Event history data |
| is_between | Check if a date is between two other dates |
| overlapping | Check if episodes overlapp |
| to_fert_data | Transfrom ehd_data to fertility data |
