Variance of a Weibull distribution.

Source: R/weibull_dist.R

Computes \(scale^2 (\Gamma(1 + 2/shape) - [\Gamma(1 + 1/shape)]^2)\).

# S3 method for class 'weibull_dist'
vcov(object, ...)

Arguments

object

A weibull_dist object.

...

Additional arguments (not used).

Value

The variance (scalar).

Examples

vcov(weibull_dist(shape = 2, scale = 3))
#> [1] 1.931417