Shapley Value Functions Example 1 Step 2 - Teradata Vantage

Step 2 adds one player to each combination.

Using the output of the ShapleyGenerateCombination function, the ShapleyAddOnePlayer function computes the divisor value by adding one player to each combination. The divisor is key to the calculation of the final Shapley numbers.

SQL Call

CREATE MULTISET TABLE project_addone_cost AS (
  SELECT * FROM ShapleyAddOnePlayer (
    ON project_comb_cost
    USING
    CombinationColumn ('comb')
    SizeColumn ('size')
    ValueColumn ('value_col')
    NumPlayers (3)
  ) AS dt
) WITH DATA;

Output