weight_matrix_cpp function

Calculate weight matrix

weight_matrix_cpp(coalitions, m, n, w)

Arguments

• coalitions: List. Each of the elements equals an integer vector representing a valid combination of features/feature groups.
• m: Integer. Number of features/feature groups.
• n: Integer. Number of combinations.
• w: Numeric vector Should have length n. w[i] equals the Shapley weight of feature/feature group combination i, represented by coalitions[[i]].

Returns

Matrix of dimension n x m + 1

Author(s)

Nikolai Sellereite, Martin Jullum