combocalc: Combinations and Permutations

Description Usage Arguments Author(s) Examples

Description

Calculate the number of combinations or permutations for a number of objects.

Usage

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combocalc (objects, choose, order = FALSE, repetition = TRUE)

Arguments

objects

The number of different kinds of objects available for selection.

choose

The number of objects selected at a given time.

order

If TRUE, the order of the objects matters, for example aba != aab.

repetition

If TRUE, a sequence such as bbb is permissible.

Author(s)

Santiago Barreda <sbarreda@ucdavis.edu>

Examples

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# combinations, no repetition
combocalc (10, 4, order = FALSE, repetition = FALSE)
# combinations, with repetition
combocalc (10, 4, order = FALSE, repetition = TRUE)
# permutations, no repetition
combocalc (10, 4, order = TRUE, repetition = FALSE)
# permutations, with repetition
combocalc (10, 4, order = TRUE, repetition = TRUE)

Example output

[1] 210
[1] 715
[1] 5040
[1] 10000

phonTools documentation built on May 1, 2019, 6:26 p.m.