Extract design matrix — design • targeted

Extract design matrix from data.frame and formula

design(
  formula,
  data,
  intercept = FALSE,
  rm_envir = FALSE,
  ...,
  specials = c("weights", "offset")
)

Arguments

formula: formula
data: data.frame
intercept: If FALSE (default) an intercept is not included
rm_envir: Remove environment
...: additional arguments (e.g, specials such weights, offsets, subset)
specials: character vector specifying functions in the formula that should be marked as special in the terms object

An object of class 'design'

Klaus Kähler Holst