[R] how to calculate time interval between dates

liujb liujulia7 at yahoo.com
Fri Jul 31 22:46:59 CEST 2009


Dear R users:

I have a vector of dates as follows:
t <- c("2007-01-05", "2007-05-14", "2007-12-28", "2008-01-09", "2008-04-24",
"2009-02-14")

I'd like to calculate number of days between those dates (time interval).
How to do it?

Thank you,
Julia

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