Description Usage Arguments Value Examples

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

1 |

`x` |
is a vector of i.i.d. observations. |

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

1 2 | ```
x=stats::rnorm(10)
sigma4bootstrap(x)
``` |

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