Calculate d-squared
Calculate Blair and Lacy's d-squared.
dsquared(V)
V |
A frequency vector |
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.
The function returns the d-squared.
Didier Ruedin
Blair, J., and M. Lacy. 2000. Statistics of Ordinal Variation. Sociological Methods \& Research 28 (3): 251-280.
# Sample data V <- c(30,40,210,130,530,50,10) dsquared(V)
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