The following novelty and diversity metrics are included: EPC, EFD, EPD and EILD. There is also an example of usage in the examples module.
Sales diversity metrics: Aggregate Diversity and Gini Index
small bug in GiniIndex fixed
tests for Novelty and Diversity metrics
Merge pull request #76 from saulvargas/master

The following novelty and diversity metrics are included: EPC, EFD, EPD ...