Extract lmList Object Formula

DESCRIPTION:

This method function extracts the common linear model formula associated with each lm component of object.

USAGE:

formula(object) 

REQUIRED ARGUMENTS:

object
an object inheriting from class lmList, representing a list of lm objects with a common model.

VALUE:

a two-sided linear formula specifying the linear model used to obtain the lm components of object.

SEE ALSO:

EXAMPLES:

fm1 <- lmList(distance ~ age | Subject, Orthodont) 
formula(fm1)