permutation: permutation

In sigbertklinke/mmstat: Support for the development of interactive Shiny apps

Description

Permutations are arrangements of objects (with or without repetition), order does matter. A permutation with repetition is an arrangement of objects, where some objects are repeated a prescribed number of times.

Usage

permutation(n, ...)

Arguments

n	numeric: number of elements to select from
...	numeric: number of repetitions copies

Details

• without repetitionP(n)=n!

• with repetitionP(n,k_1,k_2,...)=\frac{n!}{k_1!k_2!...}

Value

numeric

Note

If k_1+k_2+... < n then it assumed that for the rest the number of copies is always one.

Examples

permutation(10)
permutation(10, 5, 3) # equivalent to permutation(10, 5, 3, 1, 1)
permutation(10, 5, 3, 2) 

sigbertklinke/mmstat documentation built on May 14, 2019, 8:36 a.m.