Variance of a beta distribution.

Source: R/beta_dist.R

Computes \(\alpha\beta / ((\alpha+\beta)^2 (\alpha+\beta+1))\).

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

Arguments

object

A beta_dist object.

...

Additional arguments (not used).

Value

The variance (scalar).

Examples

vcov(beta_dist(2, 5))
#> [1] 0.0255102