r.derangement

perm.length

Given a number of permutations and the number of items in the permutations
generate a sample of permutations with the specified length
and no fixed point

Includes functions to work with the Mallows, Generalized Mallows and Weighted Mallows Models. The considered distances are Kendall's-tau, Cayley, Hamming and Ulam and it includes functions for making inference, sampling and learning such distributions, some of which are novel in the literature. As a by-product, PerMallows also includes operations for permutations, paying special attention to those related with the Kendall's-tau, Cayley, Ulam and Hamming distances and the random generation of permutations.

r.derangement: Generate a collection of derangements

Description

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Examples