[R] t-distribution

[Ben Bolker]

 <Bill.Venables <at> csiro.au> writes:

> 
> for the upper tail:
> 
> > 1-pt(1.11, 9)
> [1] 0.1478873
> 
   wouldn't 
     pt(1.11, 9, lower.tail=FALSE)
  be more accurate?