[R] Vector to Matrix transformation

Shubha Vishwanath Karanth shubhak at ambaresearch.com
Wed Jan 24 09:07:10 CET 2007

How to suppress the recycling of items in a matrix..instead NA can be
-----Original Message-----
From: Chuck Cleland [mailto:ccleland at optonline.net] 
Sent: Tuesday, January 23, 2007 8:00 PM
To: Shubha Vishwanath Karanth
Cc: r-help at stat.math.ethz.ch
Subject: Re: [R] Vector to Matrix transformation

Shubha Vishwanath Karanth wrote:
> Hi R,
> I have a vector V1 of unknown length, say n. I need to convert this
> a matrix C of row size=5, and accordingly the column should be
> I tried with:
> C=as.matrix(V1,5,n/5)
> But it is not working...Could somebody help me on this?

  You could try the following:

matrix(V1, nrow=5)

  but note what happens when the length of V1 is not a multiple of 5.

> Thanks in advance...
> 	[[alternative HTML version deleted]]
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Chuck Cleland, Ph.D.
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