[R] dates

[Thomas Lumley]

On Tue, 15 Jun 1999, Richard A. Bilonick wrote:

> In S-Plus, there is a dates function, for example:
> 
> dates("12/31/99")
> 
> Is there a similar function in R?

Try the chron or date packages.
eg

R> library(date)
R> as.date("12/31/99")
[1] 31Dec99
R> as.numeric(.Last.value) 
[1] 14609  #days since 1/1/1960
R> as.date("1/1/2000") -as.date("12/31/99")
[1] 1



Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle

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