compute standard errors for scale-up estimates based on the Killworth estimator

1 2 | ```
killworth.se(estimates, d.hat, total.popn.size = NULL, total = TRUE,
missing = "ignore")
``` |

`estimates` |
TODO |

`d.hat` |
TODO |

`total.popn.size` |
TODO |

`total` |
TODO |

`missing` |
TODO |

note that this is provided for comparison, but that we do not generally recommend using this strategy for estimating variance

the estimated standard error

Questions? Problems? Suggestions? Tweet to @rdrrHQ or email at ian@mutexlabs.com.

All documentation is copyright its authors; we didn't write any of that.