On Thu, Apr 9, 2009 at 1:39 PM, <steve_fried...@nps.gov> wrote:
> I have a data.frame Cell.ave (attached and created via dput(Cell.ave,
> "Cell.ave")
I'm afraid your attachment didn't make it into the r-help mail.
Mailing list policy forbids binary attachments other than PS and PDF,
but should be forwarding plaintext attachments, I think. Perhaps it
requires that the extension be ".txt" or something...?
Anyway... the problem seems diagnosable just from your code:
> WetSeasonMonths <- Cell.ave[Cell.ave$month >= "5" & Cell.ave$month <=
> "11",]
There is no *string* which is >= "5" and <= "11". Why aren't you
comparing numerically?
-s
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