The number of entities having at least one record from the primary data source related by a relationship of the respective relationship type to an entity with at least one record from the "versus" data source.

The optional match key associated with the statistics. This may be null or absent if the statistics are not associated with a match key.

The optional principle associated with the statistics. This may be null or absent if the statistics are not associated with a principle.

The number of records from the primary data source in the entities described by the entityCount. NOTE: this is not the total number of records in those entities, but only the count of those records from the primary data source.

The number of relationships of the respective relationship type between entities having at least one record from the primary data source and entities having at least one record from the "versus" data source.