Joerg Schaber wrote: > Hi, > > why is it that in tables for the F distribution it is for example > > F0.95[6,28]=2.45 or F0.95[10,20]=2.35 > > but > > > pf(6,28,2.45) > [1] 0.8854934 > > pf(10,20,2.35) > [1] 0.9300167 > > Thanks for clarifying, > > jeorg What you are really going to do is: pf(2.45, 6, 28) # [1] 0.9503618 pf(2.35, 10, 20) # [1] 0.950176 Uwe Ligges