MyMediaLite  3.11
Static Public Member Functions | List of all members
ItemDataRatingThreshold Class Reference

Class that contains static methods for reading in implicit feedback data for ItemRecommender, derived from rating data More...

Static Public Member Functions

static IPosOnlyFeedback Read (string filename, float rating_threshold, IMapping user_mapping=null, IMapping item_mapping=null, bool ignore_first_line=false)
 Read in rating data which will be interpreted as implicit feedback data from a file More...
 
static IPosOnlyFeedback Read (TextReader reader, float rating_threshold, IMapping user_mapping=null, IMapping item_mapping=null, bool ignore_first_line=false)
 Read in rating data which will be interpreted as implicit feedback data from a TextReader More...
 
static IPosOnlyFeedback Read (IDataReader reader, float rating_threshold, IMapping user_mapping, IMapping item_mapping)
 Read in rating data which will be interpreted as implicit feedback data from an IDataReader, e.g. a database via DbDataReader More...
 

Detailed Description

Class that contains static methods for reading in implicit feedback data for ItemRecommender, derived from rating data

Member Function Documentation

static IPosOnlyFeedback Read ( string  filename,
float  rating_threshold,
IMapping  user_mapping = null,
IMapping  item_mapping = null,
bool  ignore_first_line = false 
)
inlinestatic

Read in rating data which will be interpreted as implicit feedback data from a file

Parameters
filenamename of the file to be read from
rating_thresholdthe minimum rating value needed to be accepted as positive feedback
user_mappinguser IMapping object
item_mappingitem IMapping object
ignore_first_lineif true, ignore the first line
Returns
a IPosOnlyFeedback object with the user-wise collaborative data
static IPosOnlyFeedback Read ( TextReader  reader,
float  rating_threshold,
IMapping  user_mapping = null,
IMapping  item_mapping = null,
bool  ignore_first_line = false 
)
inlinestatic

Read in rating data which will be interpreted as implicit feedback data from a TextReader

Parameters
readerthe TextReader to be read from
rating_thresholdthe minimum rating value needed to be accepted as positive feedback
user_mappinguser IMapping object
item_mappingitem IMapping object
ignore_first_lineif true, ignore the first line
Returns
a IPosOnlyFeedback object with the user-wise collaborative data
static IPosOnlyFeedback Read ( IDataReader  reader,
float  rating_threshold,
IMapping  user_mapping,
IMapping  item_mapping 
)
inlinestatic

Read in rating data which will be interpreted as implicit feedback data from an IDataReader, e.g. a database via DbDataReader

Parameters
readerthe IDataReader to be read from
rating_thresholdthe minimum rating value needed to be accepted as positive feedback
user_mappinguser IMapping object
item_mappingitem IMapping object
Returns
a IPosOnlyFeedback object with the user-wise collaborative data

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