substitute_formula_vars: Replace variables in formula with sum of other variables

In SSBtools: Algorithms and Tools for Tabular Statistics and Hierarchical Computations

Replace variables in formula with sum of other variables

Description

Replace variables in formula with sum of other variables

Usage

substitute_formula_vars(
  f,
  replacements,
  simplify = FALSE,
  env = parent.frame()
)

Arguments

f	A model formula.
replacements	A named list. The names of replacements must correspond to variables in f. Each element in replacements must be a character vector consisting of the variables you wish to replace.
simplify	Logical, default is FALSE. Determines whether the formula should be expanded and simplified before output or not.
env	The environment for the output formula.

Value

model formula

Author(s)

Daniel Lupp and Øyvind Langsrud

Examples

f <- ~b + a*c  + b:d
substitute_formula_vars(f, list(a = c("hello", "world", "b"), 
                                b = c("Q1", "Q2")))

SSBtools documentation built on April 3, 2025, 5:38 p.m.