Repeats resampling/shuffling of dataframes and scores the values returned by user-define function which is applied to each randomized dataframe.

1 2 3 |

`type` |
character; the name of the randomization function to be applied to |

`dataframe` |
a dataframe with the data to be shuffled or resampled. |

`statistics` |
a function that calculates the statistics of interest from the dataframe. The first argument should be the dataframe with the data and preferably should return a (named) vector, data frame, matrix or array. |

`ntrials` |
integer; number of randomizations to perform. |

`simplify` |
logical; should the result be simplified to a vector, matrix or higher dimensional array if possible? |

`progress` |
which kind of progress bar should be used (currently unimplemented!) |

`fix.zeroes` |
logical; for normal_rand, within_rows or within_columns, should zeroes in the dataframe
be kept in place? See the help on |

`...` |
further arguments to be passed to the randomization functions
(e.g., |

a list of objects returned by the function defined by `statistics`

or a vector, matrix or array when `simplify=TRUE`

and simplification can be done
(see `simplify2array`

).

This function corresponds to *Repeat and score* in Resampling Stats add-in for Excel
(www.resample.com). The randomization function defined by `type`

is applied `ntrials`

times on the data provided by `dataframe`

. At each trial the function defined by argument
`statistics`

is applied to the resulting dataframe and the resulting objects are returned.

Statistics.com LCC. 2009. Resampling Stats Add-in for Excel User's Guide. http://www.resample.com/content/software/excel/userguide/RSXLHelp.pdf

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

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