VV {UCS}R Documentation

Variance of the Vocabulary Size of a LNRE Model (zm, fzm)

Description

Computes the variance of the vocabulary size of a LNRE model (Baayen, 2001) at sample size N.

Usage

VV(model, N)

Arguments

model an object of class "zm" or "fzm", representing a Zipf-Mandelbrot (ZM) or finite Zipf-Mandelbrot (fZM) LNRE model
N a vector of positive integers, representing sample sizes

Details

The variance V[V(N)] is computed according to Baayen (2001, 120f). See the EV help page for some more information on the vocabulary size V(N).

Value

a numeric vector of the same length as N

References

Baayen, R. Harald (2001). Word Frequency Distributions. Kluwer, Dordrecht.

See Also

zm, fzm, VVm, EV, EVm


[Package UCS version 0.5 Index]