prtDataSetRegress   Data set object for regression
 
    DATASET = prtDataSetRegress returns a prtDataSetRegress object
 
    DATASET = prtDataSetRegress(PROPERTY1, VALUE1, ...) constructs a
    prtDataSetRegress object DATASET with properties as specified by
    PROPERTY/VALUE pairs.
 
    A prtDataSetRegress object inherits all properties from the
    prtDataSetStandard class. 
 
    A prtDataSetRegress inherits all methods from the
    prtDataSetStandard object. In addition it overloads the following
    functions:
 
    plot      - Plot the prtDataSetRegress object
    summarize - Summarize the prtDataSetRegress object.