[R] Select specific rows of a matrix

[Dimitris Rizopoulos]

try this:

mat <- matrix(sample(90:2000, 10000, TRUE), 1000, 10)

ind <- rowSums(mat > 100 & mat < 120) > 0
mat[ind, ]


I hope it helps.

Best,
Dimitris


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.
> 
> Cheers

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

Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
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