# Design

The Sale Product Recommendation Association Rule Module introduces the following concepts.

## Product Association Rule

The model is used to store the rules learned by the system. They are composed of antecedents and consequents which are lists of Products <product:concept-product>. The antecedents is that items that can be found in the data while the consequents are the items found when combined with the antecedents.

The rule stores also various measures like the confidence, support, lift and conviction.

See also

You can learn more on association rule learning

See also

Rules are found by opening the menu item:

> Products ‣ Products ‣ Sale Association Rules