model.frame.multiple: Create Model Frame from multiple Object
Description
This method creates a model.frame from a
multiple object. This method will be deprecated as
the development of Zelig 4 progresses.Usage
## S3 method for class 'multiple':
model.frame(formula,data,eqn=NULL,...)
Arguments
formula
an object of both type formula and
multiple
eqn
the number of equations in the formula