This is normally an internal function, but it can be overloaded to extend simr
to other packages.
doFit(y, fit, subset, ...)
a fitted model object.
new values for the response variable (vector or matrix depending on the model).
a previously fitted model object.
boolean vector specifying how much of the data to use. If missing, the model is fit to all
the data. This argument needs to be implemented for powerCurve
to work.
additional options.