SmallCountRounding (version 0.4.0)

ModelMatrix: Overparameterized model matrix

Description

All factor levels included

Usage

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

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()

formulaSums

When TRUE, sparse matrix via FormulaSums()

Value

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

Examples

# NOT RUN {
  z1 <- SmallCountData("z1")
  ModelMatrix(~region*hovedint,z1)
# }