Re: [R] use of aggregate

From: Erik Iverson <eriki_at_ccbr.umn.edu>
Date: Thu, 10 Jun 2010 14:32:30 -0500

Philip wrote:
> Dear list,
>
> Is it possible to replace the median in the following code so as to calculate 5 and 95% tiles?
>
> with( raunheim, aggregate(no, by = list(wd,hr), FUN = "median", na.rm=TRUE) )

Please give reproducible examples that we can run by cutting and pasting!

You should just give the function "quantile" to aggregate's FUN argument, instead of "median", and then pass on further parameters just as na.rm is passed to median.



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