Jackknife Estimation

## Value

Returns a named `numeric`

vector with the following elements:

`mean`

The jackknife estimate of mean of

`do`

.`bias`

The jackknife estimate of bias of

`do`

.`error`

he jackknife estimate of standard error of

`do`

.

## See also

Other resampling methods:
`confidence()`

## Examples

```
## Jackknife
x <- rnorm(20)
jackknife(x, do = mean) # Sample mean
#> mean bias error
#> 0.1733892 0.0000000 0.1673439
```