Created
April 6, 2019 18:33
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date differences using lubridate
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| library(lubridate) | |
| bday <- lubridate::as_date("2000-09-15") | |
| today <- lubridate::as_date("2018-09-15") | |
| tomorrow <- lubridate::as_date("2018-09-16") | |
| bday%--%today / lubridate::years(1) | |
| # [1] 18 | |
| as.numeric(as.duration(bday%--%today)) / (60*60*24*365.25) | |
| # [1] 17.99863 | |
| bday%--%tomorrow / lubridate::years(1) | |
| # [1] 18.00274q |
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