R: Selections Pseudo-Vector Length
length,SPV-method | R Documentation |
Selections Pseudo-Vector Length
Description
Get the length of an SPV instance.
Usage
## S4 method for signature 'SPV'
length(x)
Arguments
Details
Since x contains all the k -selections of objects in vector
items , length(x) will return choose(length(items) + k - 1, k) .
Value
the number of selections (combinations with replacement) in pseudo-vector x
See Also
Permutations Pseudo-Vector ppv
Combinations Pseudo-Vector cpv
Amalgams Pseudo-Vector apv
Subsets Pseudo-Vector sspv
Results
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