[R] Simple regex problem

[Gabor Grothendieck]

Try this (no gsub required):

as.chron(as.Date(xx, "%b %d, %Y"))

On Sat, May 10, 2008 at 12:49 PM, John Kane <jrkrideau at yahoo.ca> wrote:
> I am cleaning up some character data to convert to
> dates using chron. The regex that I am using work fine
> but there should be a better way to do this. Can
> anyone suggest a cleaner bit of code than the gsub,
> sub approach? Thanks
>
> #Test Run on dates.
> xx <- c("May  1, 2007",
> "May  2, 2007",
> "May  3, 2007",
> "May  4, 2007",
> "May  5, 2007",
> "May  6, 2007",
> "May  7, 2007",
> "May  8, 2007",
> "May  9, 2007",
> "May 10, 2007",
> "May 11, 2007",
> "May 12, 2007")
> yy <- gsub(" +", "/", xx) ; yy
> zz <- sub(",", "", yy) ; zz
> library(chron)
> ttdates <- chron(zz, format = c(dates = "mon/d/y"))
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>