MovieLensRatingData Class Reference

Class that offers static methods for reading in MovieLens 1M and 10M rating data More...

Static Public Member Functions
static ITimedRatings	Read (string filename, IMapping user_mapping=null, IMapping item_mapping=null, TestRatingFileFormat test_rating_format=TestRatingFileFormat.WITH_RATINGS)
	Read in rating data from a file More...
static ITimedRatings	Read (TextReader reader, IMapping user_mapping=null, IMapping item_mapping=null, TestRatingFileFormat test_rating_format=TestRatingFileFormat.WITH_RATINGS)
	Read in rating data from a TextReader More...

Detailed Description

Class that offers static methods for reading in MovieLens 1M and 10M rating data

See http://www.grouplens.org/node/73#attachments and http://recsyswiki.com/wiki/MovieLens

Member Function Documentation

static ITimedRatings Read ( string  filename, IMapping  user_mapping = null, IMapping  item_mapping = null, TestRatingFileFormat  test_rating_format = TestRatingFileFormat.WITH_RATINGS  )

inlinestatic

Read in rating data from a file

Parameters

filename	the name of the file to read from
user_mapping	mapping object for user IDs
item_mapping	mapping object for item IDs
test_rating_format	whether there is a rating column in each line or not

Returns

the rating data

static ITimedRatings Read ( TextReader  reader, IMapping  user_mapping = null, IMapping  item_mapping = null, TestRatingFileFormat  test_rating_format = TestRatingFileFormat.WITH_RATINGS  )

inlinestatic

Read in rating data from a TextReader

Parameters

reader	the TextReader to read from
user_mapping	mapping object for user IDs
item_mapping	mapping object for item IDs
test_rating_format	whether there is a rating column in each line or not

Returns

the rating data

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

• MovieLensRatingData.cs