length,CPV-method {trotter}

Combinations Pseudo-Vector Length

Description

Get the length of a CPV instance.

Usage

## S4 method for signature 'CPV'
length(x)

Arguments

x

an instance of CPV

Details

Since x contains all the k-combinations of objects in vector items, length(x) will return choose(length(items), k).

Value

the number of combinations in pseudo-vector x

See Also

Permutations Pseudo-Vector ppv

Amalgams Pseudo-Vector apv

Selections Pseudo-Vector spv

Subsets Pseudo-Vector sspv