pegas is distributed through the Comprehensive R Archive Network (CRAN): http://cran.r-project.org/web/packages/pegas/index.html. Further information may be found at: http://ape.mpl.ird.fr/pegas/.
No takes yet. Share an insight, caveat, or question.
Emmanuel Paradis (2010) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: