[R] Merge matrix

Kevin E. Thorpe
Tue, 12 Apr 2011 15:36:19 -0000

On 04/12/2011 10:54 AM, pankaj borah wrote:
> I have two matrices A and B
>
>> dim (A)
> [1] 30380   104
>
>> dim(Bt)
>
> [1] 30380    63
>
> I want to  combine both A and B to matrix C where
>> dim(C)
> [1] 30380   167
>
> How do I do that ?
>

Assuming that Bt is the transpose of B and you want C = [A|Bt] you could do:

C <- cbind(A,t(B))

>
> Regards,
>
> Pankaj Barah
> Department of Biology,
> Norwegian University of Science&  Technology (NTNU)
> Realfagbygget, N-7491
>
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>
>
>
>
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--
Kevin E. Thorpe
Biostatistician/Trialist, Knowledge Translation Program
Assistant Professor, Dalla Lana School of Public Health
University of Toronto
email: kevin.thorpe at utoronto.ca  Tel: 416.864.5776  Fax: 416.864.3016