Compute the mean average precision (MAP) of a list of ranked items.
Declaring type: ItemPredictionEval
Namespace: MyMediaLite.Eval
Assembly: MyMediaLite
Collapse/Expand Syntax
C#
public static double MAP (
        int[] ranked_items,
        ICollection<int> correct_items,
        ICollection<int> ignore_items
) 
Parameters
ranked_items
a list of ranked item IDs, the highest-ranking item first
correct_items
a collection of positive/correct item IDs
ignore_items
a collection of item IDs which should be ignored for the evaluation
Return Value
the MAP for the given data