combos: All Combinations of a Hierarchy of Models of n Variables

Description Usage Arguments Details Value Author(s) See Also

View source: R/hier.part.R

Description

Lists a matrix of combinations of 1 to n variables in ascending order

Usage

1
  combos(n)

Arguments

n

an integer: the number of variables

Details

Lists hierarchy of all possible combinations of n variables in ascending order, starting with 1 variable, then all combinations of 2 variables, and so on until the one combination with all n variables. This function is used by all.regs to structure the models required for hierarchical partioning. This function requires the gtools package in the gregmisc bundle.

Value

a list containing

ragged

a matrix with zeroes in empty elements and 1 in column 1, 2 in column 2 ... n in column n for full elements

binary

a matrix as for ragged, but with 1 in all full elements

Author(s)

Chris Walsh [email protected]

See Also

all.regs


hier.part documentation built on May 29, 2017, 7:12 p.m.