ReciprocalRank Class Reference

The reciprocal rank of a list of ranked items. More...

List of all members.

Static Public Member Functions
static double	Compute (IList< int > ranked_items, ICollection< int > correct_items, ICollection< int > ignore_items=null)
	Compute the reciprocal rank of a list of ranked items.

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Detailed Description

The reciprocal rank of a list of ranked items.

See http://en.wikipedia.org/wiki/Mean_reciprocal_rank

Literature:

• E.M. Voorhees "Proceedings of the 8th Text Retrieval Conference". TREC-8 Question Answering Track Report. 1999. http://gate.ac.uk/sale/dd/related-work/qa/TREC+1999+TREC-8+QA+Report.pdf

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Member Function Documentation

static double Compute	(	IList< int >	ranked_items,
		ICollection< int >	correct_items,
		ICollection< int >	ignore_items = null
	)		[inline, static]

Compute the reciprocal rank of a list of ranked items.

See http://en.wikipedia.org/wiki/Mean_reciprocal_rank

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

Returns:

the mean reciprocal rank for the given data

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The documentation for this class was generated from the following file:

• ReciprocalRank.cs