[R] Date Format

[Roger D. Peng]

Try

structure(11328, class = "Date")

or just

class(datetest) <- "Date"

-roger

pierre clauss wrote:
> Hi everybody,
> I need your precious help for, I think, a simple request, but I do not manage to solve this.
>  
> When I use a "table" function with dates in the rows, the rows are coerced to number after the table function.
>  
> So I need to transform the row names into date format. But I do not manage.
>  
> Therefore, for an example, I manage to write this :
>  
> datetest<-"06/01/2001"
> datetest<-as.Date(datetest,"%d/%m/%Y")
> datetest<-as.numeric(datetest)
>  
> to get 11328.
>  
> But I do not obtain the inverse tranformation :
>  
> datetest<-as.Date(datetest,"%d/%m/%Y")
>  
> How do we get this please ?
>  
> Thanks a lot for your solution.
> Pierre.
>  
>  
>  
> 	[[alternative HTML version deleted]]
> 
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-- 
Roger D. Peng  |  http://www.biostat.jhsph.edu/~rpeng/