[R] Storing Variables of different types

[mel]

Garavito,Fabian a écrit :

> Hi there,
> I have an ixjxk array where I want to store dates in the first column of
> all sub-matrices (i.e. j=1 is a column with dates) and real numbers in
> the rest of the columns.......I have been trying many things, but I am
> not getting anywhere. 
> Thank you very much for your help,
> Fabian

?data.frame
or think about storing dates in the rownames.