combine_formulas: Combine formulas

In SSBtools: Statistics Norway's Miscellaneous Tools

Combine formulas

Description

Combining formulas by + or another operator. This is particularly useful for linking tables in the case of table building with formulas.

Usage

combine_formulas(lof, operator = "+", simplify = FALSE, env = parent.frame())

Arguments

lof	list or vector of formulas to be linked
operator	"+" (default), "*", ":" or another operator
simplify	logical value, default 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

lof1 <- c(~a+b, ~a:c, ~c*d)
combine_formulas(lof1)
combine_formulas(lof1, operator = "*")
combine_formulas(lof1, simplify = TRUE)

SSBtools documentation built on Oct. 30, 2024, 5:09 p.m.