USL
" classInitialize the object.
# S4 method for USL
initialize(.Object, call, frame, regr, resp, alpha, beta, gamma)
An object of the specific type.
The object to initialize.
The formula used to create the USL model.
The model frame containing the variables in the model.
The name of the regressor variable in the model.
The name of the response variable in the model.
The contention parameter of the model.
The coherency delay parameter of the model.
The slope of the ideal parallel scaling of the three parameter model. This parameter corrsponds to the scale.factor parameter of the two parameter model.