Extract design matrix — design • targeted

Extract design matrix from data.frame and formula

design(formula, data, intercept = FALSE, rm_envir = FALSE, ...)

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)

Value

An object of class 'design'

Author

Klaus Kähler Holst