[R] removing the rows with negative elements

[Dimitris Rizopoulos]

try also this:

x <- matrix(c(2,-1,-2,3,5,6,-3,7,4,2,1,0), 4, 3)
x[!rowSums(x < 0), ]


Best,
Dimitris


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]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 

-- 
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center

Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014