[R] Cutting Matrix
jholtman at gmail.com
Mon Dec 6 19:26:40 CET 2010
You can use quantile and cut:
> x <- runif(1000)
> x.cut <- cut(x, c(-Inf, quantile(x, prob=c(.1, .9)), Inf), labels=c('lo','mid','hi'))
lo mid hi
100 800 100
On Mon, Dec 6, 2010 at 12:53 PM, Marty_H <church01 at alpenjodel.de> wrote:
> I have got a matrix with 100 values.
> Is there a easy way to cut the upper 10% (every value which is above 90%)
> and the lower 10% of my matrix-values away and create a new matrix with all
> the rest.
> Thx for your help
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Data Munger Guru
What is the problem that you are trying to solve?
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