expand.grid.unique: Provides unique combinations of two vectors.
Description
Provides unique combinations of two vectors.
Usage
expand.grid.unique(x, y, incl.eq = TRUE)
Arguments
x
A character vector containing variable names.
y
A character vector containing variable names.
incl.eq
Logical. TRUE means that combinations are kept where
a variable appears twice.
Value
The unique combinations of the variable names. Used in syntax
creation.