R help - Jan 2013 - r-help

-- _______________________________ Paul K. Musingila University of 
Hasselt, I-Biostat, Diepenbeek, Belgium Mobile: +254-724-423532, 
+32-48-637-4558 E-mail: paul.musingila at student.uhasselt.be, 
pmusingila at gmail.com Skype: pmusingila "When darkness overtakes the 
godly, light will come bursting in" Psalm 112:4