Description Usage Arguments Details Value Note See Also Examples

Calculates all possible combinations as result of rolling a set of dice. Similar permutations are identified under the same combination and counted as many times as many occurrencies. Thee user can choose wheter to match exact values or to perform partial matches.

1 | ```
dice.combinations(faces, dice, rolls, weights, getPartial, getExact, toSum = FALSE)
``` |

`faces` |
The number of faces the dice have; if unspecified, it defaults to 6. |

`dice` |
The number of dice to roll; if unspecified, it defaults to 2. |

`rolls` |
The number of times to roll the die; if unspeciefid, it defaults to 5. |

`weights` |
A vector of probability weights to assign to each face of the die; if unspecified, it defaults to a fair die with weights |

`getExact` |
A vector containing values to be matched |

`getPartial` |
A vector containing values to be matched |

`toSum` |
A logical value, defaulting to FALSE. If TRUE, the function returns the sum of the frequencies of the matches (to be used together with getExact or getPartial) |

The function returns an object of class *diceRoll*, namely a list whose values are themselves `data.table`

objects, in turn, so that one can directly apply any `data.table`

function thereupon.

`values` |
If toSum = FALSE, a list of all possible combinations rolled, together with corresponding frequencies. If toSum = TRUE, the function returns the sum of all frequencies in correspondence of matched valules. |

The case face = 2 corresponds to the `coin.flip`

.

Makes use of `dice.roll`

.

1 2 | ```
dice.combinations(faces = 6, dice = 4, rolls = 100,
getExact = c(3,5), getPartial = c(1,2), toSum = TRUE)
``` |

gennaro-tedesco/Rdice documentation built on May 14, 2017, 8:48 a.m.

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