sigma4bootstrap {HeterFunctionalData}

Bootstrap estimate of $sigma^4$ using an i.i.d. sample

Description

This function takes a random sample and approximates an unbiased estimate of the squared variance based on Bootstrap estimate.

Usage

sigma4bootstrap(x)

Arguments

x

is a vector of i.i.d. observations.

Value

Bootstrap estimate of $ sigma^4$, where $sigma^2$ is the variance.

Examples

  x=stats::rnorm(10)
  sigma4bootstrap(x)