dweibull(x, shape, scale=1) pweibull(q, shape, scale=1) qweibull(p, shape, scale=1) rweibull(n, shape, scale=1)
shape
and scale
. dweibull
gives the
density, pweibull
gives the distribution function qweibull
gives the quantile function and rweibull
generates random
deviates.
The Weibull distribution with shape
parameter a
and scale
parameter b has density given by
f(x) = (a/b) (x/b)^(a-1) exp(- (x/b)^a)
dexp
for the Exponential which is a special case of a Weibull
distribution.