Return formula used by a fitted model object.
Usage
# S3 method for spmod
formula(x, ...)
Arguments
- x
A fitted model object from splm()
or spautor()
.
- ...
Other arguments. Not used (needed for generic consistency).
Value
The formula used by a fitted model object.
Examples
spmod <- splm(z ~ water + tarp,
data = caribou,
spcov_type = "exponential", xcoord = x, ycoord = y
)
formula(spmod)
#> z ~ water + tarp
#> <environment: 0x0000000008387298>