Interaction terms — ols_get_interaction_terms • olsrr

Returns interaction terms present in the model.

Usage

ols_get_interaction_terms(model)

Arguments

model: An object of class lm.

Value

Character vector or NULL.

Examples

model <- lm(mpg ~ wt + cyl * hp * disp + gear * drat, data = mtcars)
ols_get_interaction_terms(model)
#> [1] "cyl:hp"      "cyl:disp"    "hp:disp"     "gear:drat"   "cyl:hp:disp"