Permutations and Mallows Distributions

compose | Compose permutations |

count.perms | Count permutations at a distance |

cycle2str | Friendly display the cycles |

cycles2perm | Get the permutation given the cycles |

data.apa | Sample of permutations APA |

data.order | Sample of permutations |

decomp2perm | Get a permutation consistent with a decomposition vector |

dgmm | Calculate the probability of a permutation in a GMM |

distance | Compute the distance between permutations |

dmm | Calculate the probability of a permutation in a MM |

expectation.gmm | Compute the expected distance, GMM under the Hamming distance |

expectation.mm | Compute the expected distance, MM under the Hamming distance |

freq.matrix | Compute the frequency matrix |

generate.aux.files | Generates the files for Ulam |

identity.permutation | Generate identity the permutation |

insert | Insert operator |

inverse.perm | Generate inverse permutation |

inversion | Inversion operator |

is.permutation | Check if its argument is a permutation |

lgmm | Learn a Generalized Mallows Model |

lgmm.theta | MLE for theta - Generalized Mallows Model |

lmm | Learn a Mallows Model |

lmm.theta | MLE for theta - Mallows Model |

marginal | Compute the marginal probability, GMM under the Hamming... |

maxi.dist | Get the maximum value of the distance ebtween permutations |

order.ratings | Convert rating to permutation |

perm2cycles | Decompose a permutation in a set of cycles |

perm2decomp | Get the decomposition vector |

perm.sample.med | Sample of permutations |

perm.sample.small | Sample of permutations |

permutations.of | Generate every permutation of perm.length item |

rdist | Generate a collection of permutations at a given distance |

read.perms | Read a text file with a collection of permtuations |

rgmm | Sample a Generalized Mallows Model |

rmm | Sample a Mallows Model |

runif.permutation | Random permutation |

swap | Swap two items of a permutation |

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