See this:
https://stat.ethz.ch/pipermail/r-help/2009-August/208002.html
On Sat, Aug 22, 2009 at 11:41 AM, kathie<kathryn.lord2000 at gmail.com>
wrote:>
> Dear R users,
>
> I have the list as follows;
>
> #------------------------------------------------------
>
>> z
>
> [[1]]
> [[1]][[1]]
>
> matrix(A)
>
> [[1]][[2]]
>
> matrix(B)
>
> [[1]][[3]]
>
> matrix(C)
>
> [[2]]
> [[2]][[1]]
>
> matrix(D)
>
> [[2]][[2]]
>
> matrix(E)
>
> [[2]][[3]]
>
> matrix(F)
>
> #---------------------------------------------
>
> I'd like to compute
>
> matrix(A)+matrix(B)+matrix(C)+matrix(D)+matrix(E)+matrix(F)
>
>
> In fact, I tried "lapply", "do.call" etc, but failed.
>
>
>
> Any suggestion will be greatly appreciated.
>
> Regards,
>
> Kathryn Lord
>
> --
> View this message in context:
http://www.nabble.com/computation-of-matrices-in-list-of-list-tp25094875p25094875.html
> Sent from the R help mailing list archive at Nabble.com.
>
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