Description Usage Arguments Details See Also Examples

Sampler objects that provide objects with functionality used by
`stabletree`

to generate resampled datasets.

1 2 3 4 5 | ```
bootstrap(B = 500, v = 1)
subsampling(B = 500, v = 0.632)
samplesplitting(k = 5)
jackknife(d = 1, maxrep = 5000)
splithalf(B = 500)
``` |

`B` |
An integer value specifying the number of resampled datasets. |

`k` |
An integer value specifying the number of folds in sample-splitting. |

`d` |
An integer value specifying the number of observations left out in jackknife. |

`maxrep` |
An integer value specifying the maximum number of resampled datasets allowed, when using jackknife. |

`v` |
A numeric value between 0 and 1 specifying the fraction of observations in each subsample. |

The sampler functions provide objects that include functionality to generate
resampled datasets used by `stabletree`

.

The `bootstrap`

function provides an object that can be used to generate
`B`

bootstrap samples by sampling from `n`

observations with
replacement.

The `subsampling`

function provides an object that can be used to
generate `B`

subsamples by sampling from `floor(v*n)`

observations without replacement.

The `samplesplitting`

function provides an object that can be used to
generate `k`

-folds from `n`

observations.

The `jackknife`

function provides an object that can be used to generate
all datasets necessary to perform leave-`k`

-out jackknife sampling from
`n`

observations. The number of datasets is limited by `maxrep`

to
prevent unintended CPU or memory overload by accidently choosing too large
values for `k`

.

The `splithalf`

function provides an object that can be used to
generate `B`

subsamples by sampling from `floor(0.5*n)`

observations without replacement. When used to implement the "splithalf"
resampling strategy for measuring the stability of a result via the
`stability`

function, the matrix containing the complement
learning samples is generated automatically by `stability`

.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | ```
set.seed(0)
## bootstrap sampler
s <- bootstrap(3)
s$sampler(10)
## subsampling
s <- subsampling(3, v = 0.6)
s$sampler(10)
## 5-fold sample-splitting
s <- samplesplitting(5)
s$sampler(10)
## jackknife
s <- jackknife(d = 1)
s$sampler(10)
## splithaf
s <- splithalf(3)
s$sampler(10)
``` |

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