[R] prettyR 25% quartile, 75% quartile

[stephen sefick]

I am using the describe function in prettyR.  I would like to add the
25% 75% quartiles to the summary table

how do I do this

I have tried

describe(x.f, num.desc=c("mean", "median", "sd", "min", "max",
"skewness", "quantile(x.f, na.rm=T, probs=seq(0.25, 0.75))",
"valid.n"))

help

-- 
Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods. We are mammals, and have not exhausted the
annoying little problems of being mammals.

	-K. Mullis