Changes in version 1.1-3.3                       

NEW FEATURES

    o   Fixed bug with model frame.

    o   Fixed id issue.

                Changes in version 1.1-3.2 (2020-05-27)                 

NEW FEATURES

    o   More arguments are passed on to maxLik.

    o   Fixed bug with weights.

    o   Correcting dependency with mlogit

                 Changes in version 1.1-3 (2017-07-09)                  

NEW FEATURES

    o   CITATION in now included.

                        Changes in version 1.1-2                        

FIXED BUGS

    o   The predicted probabilities for each individual in each class
	are now accesibles through the element Wnq.

                        Changes in version 1.1.1                        

NEW FEATURES

    o   Fixed bug when the data of mlogit class has an id.var, but the
	model is estimated as a cross-section. Thanks to Maryam Zabihi
	(maryam.zabihi@mavs.uta.edu) for pointing this out.

                  Changes in version 1.1 (2015-05-31)                   

FIXED BUGS

    o   Fixed bug in the conditional means when computing WTP in the LC
	model.

    o   When start is not null, the log and Sb transformations are not
	applied.

    o   z-statistics are now correctly labeled.

    o   Fixed bug of initial values when a parameter is distributed as
	Sb.

NEW FEATURES

    o   The documentation can be dowloaded at
	<http://msarrias.weebly.com/rchoice-package-in-r.html>.

    o   cov.gmnl, cor.gmnl and se.cov.gmnl functions are now
	deprecated. All these functions are now available in the
	generic function vcov.

    o   Added individual-specific estimates for the Mixed-Mixed Model.

    o   Now constraints argument can be passed to maxLik using gmnl.

    o   Slightly improved documentation