acid (version 1.1)

weighted.coeffvar: Coefficient of Variation

Description

This function computes the Coefficient of Variation for a vector of observations and corresponding weights.

Usage

weighted.coeffvar(x, w)

Arguments

x

a vector of observations.

w

a vector of weights.

Value

• cv
  returns the coefficient of variation without bias correction.
• bccv
  returns the coefficient of variation with bias correction.

Warning

Weighting is not properly accounted for in the sample adjustment of bccv!

References

Atkinson, A.B. and Bourguignon, F. (2000): Income Distribution and Economics, in: Atkinson and Bourguignon (eds.), Handbook of Income Distribution, pp. 1-86, Elsevier, Amsterdam.

See Also

ineq

Examples

# generate vector (of incomes)
x <- c(541, 1463, 2445, 3438, 4437, 5401, 6392, 8304, 11904, 22261)
w <- sample(1:10,length(x), replace=TRUE)
weighted.coeffvar(x,w)