Stata Commands

Entropy

Finds Theil’s (1972) Entropy index for each observation or for a given group and saves it in a new variable.

Information

Finds Theil's (1972) Information (H) index for all observations in the data set or within each bysort group.
 

Isolation

Finds the Isolation Index for all observations in the data set or within each bysort group.

Gini

Finds the Gini inequality index for observations within a particular sub-group and saves it in a new variable.

Segregation

Finds the Segregation or Dissimilarity Index for all observations in the data set or within each bysort group.