unex: collapsing indices

In rbsb: set of ancillary functions

Description

Transforms multiple indices into a unique index following the storage order of array elements by R.

Usage

unex(xv, di, check=TRUE)

Arguments

xv	a N by K matrix, each row corresponding to uple of indices. each column must be a factor.
di	dimensions of the K indices
check	must be the consistency between the argument xv and di be checked?

Value

A vector of size N with the unique index values

Examples

 rbsb3k("RESET"); # needed only for R checking, to be forgotten
 uu <- rbsb.dfr1;
 print(cbind(uu, unex(uu, 3:4)));

rbsb documentation built on May 2, 2019, 4:41 p.m.