Expand all interaction terms in a formula.
Usage
formula_expand(formula, as.char = FALSE)
Arguments
- formula
R formula or a character string indicating the formula.
- as.char
Return character? Defaults to FALSE.
Value
A formula/character object including all expanded terms.
Examples
formula_expand(y ~ a*b*c)
#> y ~ a + b + c + a:b + a:c + b:c + a:b:c
#> <environment: 0x55b38c5cafa0>
formula_expand("y ~ a*b*c")
#> y ~ a + b + c + a:b + a:c + b:c + a:b:c
#> <environment: 0x55b38c62fe68>
