Gini-Simpson Index
Details
concstats_simpson
is the Gini-Simpson index, also known as
the Gini impurity (Gini's diversity index) in Machine Learning, Gibbs-Martin
index or Blau index in sociology and management studies. This index ranges
from (0, 1).
References
Simpson, E. H. (1949). "Measurement of Diversity", Nature, 163, 688.
Jost, L. (2006). "Entropy and Diversity". Oikos, 113(2), 363-375.
See also
Other Concentration and inequality measures:
concstats_all_inequ()
,
concstats_entropy()
,
concstats_gini()
,
concstats_grs()
,
concstats_inequ()
,
concstats_palma()