initMC: Initialise the permutation object

Description Usage Arguments Value Author(s) See Also Examples

Description

This function initialises the permutation object. It must be called before nextPerm can be called

Usage

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initMC(x)

Arguments

x

a vector of integers, reals, logicals or characters

Value

a object of class mc which is a list containing elements

  • mode - the mode of the original data in x, "integer", "double", or mode(x)

  • set - either the multiset being permuted if mode is "integer" or a set of integers corresponding to the elements of the multiset

  • elements - if mode is not "integer" then this contains the elements being permuted otherwise NULL

  • length - the length of the multiset

  • mc - a pointer to the internal C++ Multicool object. Users should not use this unless they really know what they are doing

Author(s)

James M. Curran

See Also

nextPerm

Examples

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x = c(1,1,2,2)
m1 = initMC(x)
m1

## a non-integer example

x = rep(letters[1:4],c(2,1,2,2))
m2 = initMC(x)
m2


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