Given a design and formula, fit the zero inflated regression, storing the fits in slots fitC and fitD

fit(object, response, ...)

# S4 method for LMERlike,missing
fit(object, response, silent = TRUE, ...)

Arguments

object
inheriting from LMlike
response
a vector, same length as the design, or if missing then use the current response
...
currently ignored
silent
mute some warnings emitted from the underlying modeling functions

Value

LMlike or subclass