Changes in version 0.3 (2020-04-06)                   

    o   use Rdpack for references

    o   use authors@R

    o   extensive update to vignette

                 Changes in version 0.2-4 (2018-05-23)                  

    o   changed package Rd file to use system macros

                 Changes in version 0.2-3 (2016-10-20)                  

    o   corrected CITATION file

                 Changes in version 0.2-2 (2016-03-14)                  

    o   new maintainer email address

                 Changes in version 0.2-1 (2015-01-16)                  

    o   changed CITATION for CRAN

    o   removed suggested package ltm and provided new example

    o   added NEWS

                  Changes in version 0.2 (2009-08-02)                   

    o   First upload to CRAN