[R] removing the rows with negative elements
Simon Blomberg
s.blomberg1 at uq.edu.au
Wed Jan 6 06:27:27 CET 2010
x[-which(x < 0, arr.ind=TRUE)[,1],]
but I'm sure someone will suggest an easier way.
Simon.
On Wed, 2010-01-06 at 05:13 +0000, faridamsb at gmail.com wrote:
> Hello All,
>
> I would like to remove the entire row, if there is any negative element in
> that row. What is the best way to do that?
>
> For example,
>
> x<-matrix(c(2,-1,-2,3,5,6,-3,7,4,2,1,0), 4, 3)
>
> the returning matrix should look like
>
> [,1] [,2] [,3]
> [1,] 2 5 4
> [2,] 3 7 0
>
>
> Thank you in advance,
>
> FM
>
> [[alternative HTML version deleted]]
>
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--
Simon Blomberg, BSc (Hons), PhD, MAppStat.
Lecturer and Consultant Statistician
School of Biological Sciences
The University of Queensland
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