combocalc: Combinations and Permutations

In phonTools: Tools for Phonetic and Acoustic Analyses

Description

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

Usage

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 <[e-mail]>

Examples

# 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.