agrmt (version 1.42.12)

dsquared: Calculate d-squared

Description

Calculate Blair and Lacy's d-squared.

Usage

dsquared(V)

Value

The function returns the d-squared.

Arguments

V

A frequency vector

Author

Didier Ruedin

Details

This function calculates Blair and Lacy's d-squared, a measure of concentration based on squared Euclidean distances. This function follows the presentation by Blair and Lacy 2000. The measure l-squared normalizes the values and is implemented as lsquared.

References

Blair, J., and M. Lacy. 2000. Statistics of Ordinal Variation. Sociological Methods & Research 28 (3): 251-280.

See Also

lsquared, BlairLacy

Examples

# Sample data
V <- c(30,40,210,130,530,50,10)
dsquared(V)