Package MyMediaLite.IO

This namespace contains I/O routines, e.g. to load interaction data from files and databases, or for loading recommender models from disk. More...

Namespaces
package	KDDCup2011

Classes
class	AttributeData
	Class that offers static methods to read (binary) attribute data into IBooleanMatrix objects More...
class	Constants
	Static class containing constants used by the MyMediaLite Input/Output routines More...
class	DataReaderExtensions
	Extension methods for IDataReader objects More...
class	EntityMappingExtensions
	I/O routines for classes implementing the IEntityMapping interface More...
class	FileSerializer
	Static class for serializing objects to binary files More...
class	FileSystem
	File-system related helper functions More...
class	ItemData
	Class that contains static methods for reading in implicit feedback data for ItemRecommender More...
class	ItemDataRatingThreshold
	Class that contains static methods for reading in implicit feedback data for ItemRecommender, derived from rating data More...
class	MatrixExtensions
	Utilities to work with matrices More...
class	Model
	Class containing static routines for reading and writing recommender models More...
class	MovieLensRatingData
	Class that offers static methods for reading in MovieLens 1M and 10M rating data More...
class	RatingData
	Class that offers methods for reading in rating data More...
class	RelationData
	Class that offers static methods to read (binary) relation over entities into IBooleanMatrix objects More...
class	StaticRatingData
	Class that offers methods for reading in static rating data More...
class	TimedRatingData
	Class that offers methods for reading in rating data with time information More...
class	VectorExtensions
	Extensions for vector-like data More...

Enumerations
enum	ItemDataFileFormat { DEFAULT, IGNORE_FIRST_LINE }
	Represents different rating file formats More...
enum	RatingFileFormat { DEFAULT, IGNORE_FIRST_LINE, MOVIELENS_1M, KDDCUP_2011 }
	Represents different rating file formats More...
enum	TestRatingFileFormat { WITH_RATINGS, WITHOUT_RATINGS }
	Distinguish between test files with and without rating column More...

Detailed Description

This namespace contains I/O routines, e.g. to load interaction data from files and databases, or for loading recommender models from disk.

Enumeration Type Documentation

enum ItemDataFileFormat

Represents different rating file formats

Enumerator
DEFAULT	The default tab/comma separated rating format (e.g. MovieLens 100K, Apache Mahout)
IGNORE_FIRST_LINE	Like the default format, but ignore the first line

enum RatingFileFormat

Represents different rating file formats

Enumerator
DEFAULT	The default tab/comma separated rating format (e.g. MovieLens 100K, Apache Mahout)
IGNORE_FIRST_LINE	Like the default format, but ignore the first line
MOVIELENS_1M	The MovieLens 1M/10M format (fields separated by "::")
KDDCUP_2011	The KDD Cup 2011 rating format

enum TestRatingFileFormat

Distinguish between test files with and without rating column

Enumerator
WITH_RATINGS	Just like the training file format, with rating values
WITHOUT_RATINGS	Without a rating column