Official Stata command for calculating Gini Index?

[Long Hong]

Dear all,

I am writing a Stata package, which involves using calculating the Gini index. I am currently using a user-written command called -fastgini-. I am wondering whether the Stata has an official command for this. Thank you in advance for your kind help! I look forward to hearing from you.

Best regards,
Long

[Nick Cox]

Last time I counted at least three distinct measures were called the Gini index. I can guess which you want, but to answer your question the official position is documented at

http://www.stata.com/manuals/rinequality.pdf