[R] turning an element of list into a vector

David Winsemius dwinsemius at comcast.net
Sat Jan 16 18:17:59 CET 2010


On Jan 16, 2010, at 12:05 PM, alessia matano wrote:

> Dear all,
>
> I am trying to apply the sapply function on a list, which comes out
> from a matrix of 25 rows and two columns, so that each element of the
> list, is a two column element. In my function within sapply, say f,  I
> would like each element of the list to become a vector so that I can
> transpose it (in a way to let it be a column vector with two rows) and
> then perform a row*column multiplication. But actually it cannot work
> it out.
>
> Any suggestion for it?
>
Yes.
> and provide commented, minimal, self-contained, reproducible code.
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
David Winsemius, MD
Heritage Laboratories
West Hartford, CT



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