.BG
.VE $Header: /usr3/s/current/s/.help/RCS/f,v 1.3 84/05/23 09:21:28 rab Exp $
.FN F
.FN df
.FN pf
.FN qf
.FN rf
.TL
df pf qf rf: f Probability Distribution
.CS
df(q, par1, par2)
pf(q, par1, par2)
qf(p, par1, par2) 
rf(n, par1, par2)
.PP
.AG q
vector of quantiles.
Missing values (NAs) are allowed.
.AG p
vector of probabilities.
Missing values (NAs) are allowed.
.AG n
sample size.
If `len(n)' is larger than 1, then `len(n)' random values are returned.
.AG par1
vector of degrees of freedom for numerator.
.AG par2
vector of degrees of freedom for denominator.
.RT
density (`df'),
probability (`pf'),
quantile (`qf'), or
random sample (`rf')
for the f-distribution with degrees of freedom `par1' and `par2'.
.EX
rf(10,5,15) #sample of 10 with 5 over 15 df
.KW basic*
.KW distribution
.KW probability
.KW quantile
.KW random
.KW density
.WR
