KDDCup Class Reference

Evaluation and prediction routines for the KDD Cup 2011. More...

List of all members.

Static Public Member Functions
static double	EvaluateTrack2 (this IRecommender recommender, Dictionary< int, IList< int >> candidates, Dictionary< int, IList< int >> hits)
	Evaluate Track 2 on a validation set.
static double	EvaluateTrack2 (IList< byte > predictions, Dictionary< int, IList< int >> candidates, Dictionary< int, IList< int >> hits)
	Evaluate Track 2 on a validation set.
static void	PredictRatings (this IRecommender recommender, IRatings ratings, string filename)
	Predict ratings for Track 1.
static void	PredictRatings (this IRecommender recommender, IRatings ratings, BinaryWriter writer)
	Predict ratings for Track 1.
static void	PredictRatingsDouble (this IRecommender recommender, IRatings ratings, string filename)
	Predict ratings (double precision)
static void	PredictRatingsDouble (this IRecommender recommender, IRatings ratings, BinaryWriter writer)
	Predict ratings (double precision)
static void	PredictScoresTrack2 (this IRecommender recommender, Dictionary< int, IList< int >> candidates, string filename)
	Predict item scores for Track 2.
static void	PredictScoresTrack2 (this IRecommender recommender, Dictionary< int, IList< int >> candidates, BinaryWriter writer)
	Predict item scores for Track 2.
static void	PredictTrack2 (this IRecommender recommender, Dictionary< int, IList< int >> candidates, string filename)
	Predict items for Track 2.
static void	PredictTrack2 (this IRecommender recommender, Dictionary< int, IList< int >> candidates, TextWriter writer)
	Predict items for Track 2.

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Detailed Description

Evaluation and prediction routines for the KDD Cup 2011.

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Member Function Documentation

static double EvaluateTrack2	(	this IRecommender	recommender,
		Dictionary< int, IList< int >>	candidates,
		Dictionary< int, IList< int >>	hits
	)		[inline, static]

Evaluate Track 2 on a validation set.

Parameters:

recommender	the recommender to use
candidates	the candidate items (per user)
hits	the real items (per user)

Returns:

the error rate on this validation split

static double EvaluateTrack2	(	IList< byte >	predictions,
		Dictionary< int, IList< int >>	candidates,
		Dictionary< int, IList< int >>	hits
	)		[inline, static]

Evaluate Track 2 on a validation set.

Parameters:

predictions	the predictions for all candidates as one list
candidates	the candidate items (per user)
hits	the real items (per user)

Returns:

the error rate on this validation split

static void PredictRatings	(	this IRecommender	recommender,
		IRatings	ratings,
		string	filename
	)		[inline, static]

Predict ratings for Track 1.

Parameters:

recommender	the recommender to use
ratings	the ratings to predict
filename	the file to write the predictions to

static void PredictRatings	(	this IRecommender	recommender,
		IRatings	ratings,
		BinaryWriter	writer
	)		[inline, static]

Predict ratings for Track 1.

Parameters:

recommender	the recommender to use
ratings	the ratings to predict
writer	the writer object to write the predictions to

static void PredictRatingsDouble	(	this IRecommender	recommender,
		IRatings	ratings,
		string	filename
	)		[inline, static]

Predict ratings (double precision)

Parameters:

recommender	the recommender to use
ratings	the ratings to predict
filename	the file to write the predictions to

static void PredictRatingsDouble	(	this IRecommender	recommender,
		IRatings	ratings,
		BinaryWriter	writer
	)		[inline, static]

Predict ratings (double precision)

Parameters:

recommender	the recommender to use
ratings	the ratings to predict
writer	the writer object to write the predictions to

static void PredictScoresTrack2	(	this IRecommender	recommender,
		Dictionary< int, IList< int >>	candidates,
		string	filename
	)		[inline, static]

Predict item scores for Track 2.

Parameters:

recommender	the recommender to use
candidates	a mapping from user IDs to the candidate items
filename	the file to write the predictions to

static void PredictScoresTrack2	(	this IRecommender	recommender,
		Dictionary< int, IList< int >>	candidates,
		BinaryWriter	writer
	)		[inline, static]

Predict item scores for Track 2.

Parameters:

recommender	the recommender to use
candidates	a mapping from user IDs to the candidate items
writer	the writer to write the scores to

static void PredictTrack2	(	this IRecommender	recommender,
		Dictionary< int, IList< int >>	candidates,
		string	filename
	)		[inline, static]

Predict items for Track 2.

Parameters:

recommender	the recommender to use
candidates	a mapping from user IDs to the candidate items
filename	the file to write the predictions to

static void PredictTrack2	(	this IRecommender	recommender,
		Dictionary< int, IList< int >>	candidates,
		TextWriter	writer
	)		[inline, static]

Predict items for Track 2.

Parameters:

recommender	the recommender to use
candidates	a mapping from user IDs to the candidate items
writer	the writer object to write the predictions to

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

• KDDCup.cs