[R] Select specific rows of a matrix

[dusa.adrian]

mentor_ wrote:
> 
> Hi,
> 
> if I have a large matrix e.g. with the dimensions of 1000 rows and 10
> columns.
> How can I select rows comprising one or more values between a specific
> range of two values?
> So e.g. a row has one or more values between the range of 100 - 120.
> 

No tested, but this should work (say your matrix is called "mat"):

mat[apply(mat, 1, function(x) any(x > 99 & x < 121)), ]

Hth,
Adrian
-- 
View this message in context: http://www.nabble.com/Select-specific-rows-of-a-matrix-tp20398347p20404257.html
Sent from the R help mailing list archive at Nabble.com.