- The program accepts only binary relationships. For example, Plays(Player,Team) to denote that a player plays for a team. But you cannnot have a relation Plays(Player,Team,Match) to denote that a player plays for a team in a match. This is not a fundamental limitation; we just haven't gotten around to extending the program to
- Discrete Attributes can have at most 10 possible values. The Tetrad Bayes learner requires their users to specify the maximum number of possible values; we set it at 10 to save our users from having to specify another parameter.