ItemDataRatingThreshold Class Reference
Class that contains static methods for reading in implicit feedback data for ItemRecommender, derived from rating data.
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List of all members.
Static Public Member Functions |
static IPosOnlyFeedback | Read (IDataReader reader, float rating_threshold, IEntityMapping user_mapping, IEntityMapping item_mapping) |
| Read in rating data which will be interpreted as implicit feedback data from an IDataReader, e.g. a database via DbDataReader.
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static IPosOnlyFeedback | Read (TextReader reader, float rating_threshold, IEntityMapping user_mapping=null, IEntityMapping item_mapping=null, bool ignore_first_line=false) |
| Read in rating data which will be interpreted as implicit feedback data from a TextReader.
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static IPosOnlyFeedback | Read (string filename, float rating_threshold, IEntityMapping user_mapping=null, IEntityMapping item_mapping=null, bool ignore_first_line=false) |
| Read in rating data which will be interpreted as implicit feedback data from a file.
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Detailed Description
Class that contains static methods for reading in implicit feedback data for ItemRecommender, derived from rating data.
Member Function Documentation
Read in rating data which will be interpreted as implicit feedback data from an IDataReader, e.g. a database via DbDataReader.
- Parameters:
-
| reader | the IDataReader to be read from |
| rating_threshold | the minimum rating value needed to be accepted as positive feedback |
| user_mapping | user IEntityMapping object |
| item_mapping | item IEntityMapping object |
- Returns:
- a IPosOnlyFeedback object with the user-wise collaborative data
Read in rating data which will be interpreted as implicit feedback data from a TextReader.
- Parameters:
-
| reader | the TextReader to be read from |
| rating_threshold | the minimum rating value needed to be accepted as positive feedback |
| user_mapping | user IEntityMapping object |
| item_mapping | item IEntityMapping object |
| ignore_first_line | if true, ignore the first line |
- Returns:
- a IPosOnlyFeedback object with the user-wise collaborative data
Read in rating data which will be interpreted as implicit feedback data from a file.
- Parameters:
-
| filename | name of the file to be read from |
| rating_threshold | the minimum rating value needed to be accepted as positive feedback |
| user_mapping | user IEntityMapping object |
| item_mapping | item IEntityMapping object |
| ignore_first_line | if true, ignore the first line |
- Returns:
- a IPosOnlyFeedback object with the user-wise collaborative data
The documentation for this class was generated from the following file:
- ItemDataRatingThreshold.cs