SSBtools (version 1.7.0)

Model_Matrix: Overparameterized model matrix

Description

All factor levels included

Usage

Model_Matrix(
  formula,
  data = NULL,
  mf = model.frame(formula, data = data),
  allFactor = TRUE,
  sparse = FALSE
)

Value

model matrix created via model.matrix() or sparse.model.matrix()

Arguments

formula

formula

data

data frame

mf

model frame (alternative input instead of data)

allFactor

When TRUE all variables are coerced to factor

sparse

When TRUE sparse matrix created by sparse.model.matrix()

Details

Example:

z <- SSBtoolsData("sp_emp_withEU")

SSBtools:::Model_Matrix(~age*year + geo, z)