Inverse Simpson Index
The inverse Simpson index equals:
This simply equals true diversity of order 2, i.e. the effective number of types that is obtained when the weighted arithmetic mean is used to quantify average proportional abundance of types in the dataset of interest.
Read more about this topic: Diversity Index
Famous quotes containing the words inverse, simpson and/or index:
“The quality of moral behaviour varies in inverse ratio to the number of human beings involved.”
—Aldous Huxley (1894–1963)
“In my grandmother’s house there was always chicken soup
And talk of the old country—mud and boards,
Poverty,
The snow falling down and necks of lovers.”
—Louis Simpson (b. 1923)
“Exile as a mode of genius no longer exists; in place of Joyce we have the fragments of work appearing in Index on Censorship.”
—Nadine Gordimer (b. 1923)