On Thu, Apr 9, 2009 at 2:05 PM, <steve_fried...@nps.gov> wrote:
> WetMonths <- Cell.ave[Cell.ave$month >= "5" and Cell.ave$month <= "11",]
> Error: unexpected symbol in "WetMonths <- Cell.ave[Cell.ave$month >= "5"
> and" Cell.ave$month <= "11",]
a) you are comparing with the *string* "5", not the *number* 5 (as I
mentioned before)
b) you are now writing "and" rather than "&"
The following works fine for me:
WetMonths <- Cell.ave[Cell.ave$month >= 5 & Cell.ave$month <= 11,]
Better?
-s
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