[R] How to convert a list to a matrix

Liaw, Andy andy_liaw at merck.com
Thu Feb 3 16:33:04 CET 2005


do.call() is your friend:

mat <- do.call("rbind", myList)

Andy

> From: michael watson (IAH-C)
> 
> Hi
> 
> Sorry to ask such a basic question.  I have a list, each element of
> which is a vector of two values.  What I actually want is a 
> matrix with
> two columns, and one row per element of the list.  Obviously I have
> tried as.matrix(), and as.vector() but I didn't expect the latter to
> work.
> 
> I feel so lame asking this.  Any suggestions?
> 
> Mick
> 
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