[R] Converting yr mo da to dates

[Uwe Ligges]

David Parkhurst wrote:

> I'm using R 2.0.1 in windows XP (and am not currently subscribed to this 
> mailing list).
> 
> I have a USGS dataset, a text file with fixed width fields, that 
> includes dates as 6-digit integers in the form yrmoda.  I could either 
> read them that way, or with yr, mo, and da as separate integers.  In 
> either case, I'd like to convert them to a form will allow plotting 
> other "y" variables against the dates (with correct spacing) on the 
> horizontal axis.
> 
> I've looked in all the manuals, but didn't find a way to do this.  I can 
> copy the data to a spreadsheet, make the conversion there, and then move 
> the data to R, but that's a nuisance.
> 
> I'd appreciate learning whether there is a way to do this all within R. 
> Thanks.
> 
> Dave Parkhurst
> 
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See ?strptime as in:

strptime(c("050127", "050128"), "%y%m%d")


Uwe Ligges