[R] multivariate version of aggregate

Jannis bt_jannis at yahoo.de
Thu Jun 27 19:26:40 CEST 2013

Dear List members,

i am seeking a multivariate version of aggregate. I want to compute, fro 
example the correlation between subsets of two vectors. In aggregate, i 
can only supply one vector with indices for subsets. Is  there ready 
function for this or do i need to program my own?


More information about the R-help mailing list