Peter Nelson pbnelson
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # A simple function to compute elapsed months between start date and end date | |
| elapsed_months <- function(end_date, start_date) { | |
| ed <- as.POSIXlt(end_date) | |
| sd <- as.POSIXlt(start_date) | |
| 12 * (ed$year - sd$year) + (ed$mon - sd$mon) | |
| } | |
| # | |
| # Example: |