Description Usage Arguments Details Value Author(s)

This function takes a random sample of rows from a data frame,
in analogy to the built-in function `sample`

(which sadly
does not accept a data frame).

1 |

`df` |
a data frame to be sampled from |

`size` |
positive integer giving the number of rows to choose |

`replace` |
Should sampling be with replacement? |

`sort` |
Should rows in sample be sorted in original order? |

`prob` |
a vector of probability weights for obtaining the elements of the vector being sampled |

Internally, rows are selected with the function `sample.int`

. See its manual page
for details on the arguments (except for `sort`

) and implementation.

A data frame containing the sampled rows of `df`

, either their original order (`sort=TRUE`

)
or shuffled randomly (`sort=FALSE`

).

Stefan Evert

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