[R] turning list-elements into a vector
Liaw, Andy
andy_liaw at merck.com
Wed Jul 16 16:59:31 CEST 2003
Something like this?
myvec <- sapply(list.of.mat, function(x) x[i, j])
If all the matrices are of the same dimension, it might be easier to make
them into an array, and just "slice" through the array.
Andy
> -----Original Message-----
> From: Michael Kirschbaum [mailto:emkiba at gmx.de]
> Sent: Wednesday, July 16, 2003 10:24 AM
> To: r-help at stat.math.ethz.ch
> Subject: [R] turning list-elements into a vector
>
>
> Hi.
> Can anyone help me?
> I want to create a vector from specific matrix-elements(
> e.g.[1,1]) these matrices are elements of a list. Is there
> any possibility to work without a loop? (e.g. with "lapply"?)
> hope, you can help me thank you Michael
>
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>
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