[R] Creating a list by just using start and final component

Romain Francois romain.francois at dbmail.com
Sun May 24 11:07:56 CEST 2009


Hollix wrote:
> Hi there,
>
> say, I have 100 matrices (m1,m2,...,m100) which I want to combine in a list.
> The list, thus, shall contain the matrices as components.
>
> Is it necessary to mention all 100 matrices in the list() command? I would
> like to use just the first and last matrix or something similar.
>
> Best,
> Holger
>   
Hi,

you can do something like that:

matrices <- ls( pattern = "m[0-9]+" )
res <- lapply( matrices, get )

Romain

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Romain Francois
Independent R Consultant
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http://romainfrancois.blog.free.fr




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