is.empty.model {stats} | R Documentation |
R's formula notation allows models with no intercept and no
predictors. These require special handling internally.
is.empty.model()
checks whether an object describes an empty
model.
is.empty.model(x)
x |
A |
TRUE
if the model is empty
y <- rnorm(20)
is.empty.model(y ~ 0)
is.empty.model(y ~ -1)
is.empty.model(lm(y ~ 0))