Variance of a Poisson distribution.

Source: R/poisson_dist.R

For the Poisson distribution, the variance equals lambda.

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

Arguments

object

A poisson_dist object.

...

Additional arguments (not used).

Value

The variance (scalar), equal to lambda.

Examples

vcov(poisson_dist(5))
#> [1] 5