CoverMargins: Extract a set of model terms that covers a formula

In olangsrud/experimentalRpackage: An experimental R package containing experimental/early R functions

Description

Other model terms depend on the extracted set. Hierarchical relationships seen in the data is considered.

Usage

CoverMargins(data, formula, coverTable = FALSE)

Arguments

data	Input data as a data frame (inner cells)
formula	Model formula defining cells to consider
coverTable	Whether to return a model term defining a cover table

Value

Vector of extracted model terms or a two-component list when coverTable is TRUE

Note

all terms retuned when coverTable=NA

Author(s)

Øyvind Langsrud

Examples

z3 <- EasyData("z3")
CoverMargins(z3, ~region + kostragr * hovedint)
CoverMargins(z3, ~region * mnd + hovedint * mnd + fylke * hovedint * mnd + 
                  kostragr * hovedint * mnd)
CoverMargins(z3, ~fylke * hovedint + kostragr * hovedint, TRUE)
CoverMargins(z3, ~hovedint * mnd2 + mnd + hovedint + kostragr * hovedint, TRUE)

olangsrud/experimentalRpackage documentation built on Sept. 20, 2021, 10:32 p.m.