Returns the name of the variable that describes the weights of a
model.
Arguments
- x
A fitted model.
- ...
Currently not used.
Value
The name of the weighting variable as character vector, or NULL
if no weights were specified.
Examples
data(mtcars)
mtcars$weight <- rnorm(nrow(mtcars), 1, .3)
m <- lm(mpg ~ wt + cyl + vs, data = mtcars, weights = weight)
find_weights(m)
#> [1] "weight"