Additive model formula

Description of the additive model formula extracted from an object of class backf.

# S3 method for backf
formula(x, ...)

Arguments

x	an object of class backf, a result of a call to backf.cl or backf.rob.
...	additional other arguments. Currently ignored.

Value

A model formula.

Author

Alejandra Mercedes Martinez ale_m_martinez@hotmail.com