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 (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.
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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.
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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.
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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
static IPosOnlyFeedback Read |
( |
string |
filename, |
|
|
float |
rating_threshold, |
|
|
IMapping |
user_mapping = null , |
|
|
IMapping |
item_mapping = null , |
|
|
bool |
ignore_first_line = false |
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) |
| [inline, static] |
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 IMapping object |
item_mapping | item IMapping object |
ignore_first_line | if 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 |
|
) |
| [inline, static] |
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 IMapping object |
item_mapping | item IMapping 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 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 IMapping object |
item_mapping | item IMapping object |
- Returns:
- a IPosOnlyFeedback object with the user-wise collaborative data
The documentation for this class was generated from the following file:
- ItemDataRatingThreshold.cs