MyMediaLite
3.02
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interface for data sets with time information More...
Public Member Functions | |
int | GetIndex (int user_id, int item_id) |
Get index for a given user and item. | |
int | GetIndex (int user_id, int item_id, ICollection< int > indexes) |
Get index for given user and item. | |
ISet< int > | GetItems (IList< int > indices) |
Get all items that are referenced by a given list of indices. | |
ISet< int > | GetUsers (IList< int > indices) |
Get all users that are referenced by a given list of indices. | |
void | RemoveItem (int item_id) |
Remove all events related to a given item. | |
void | RemoveUser (int user_id) |
Remove all events related to a given user. | |
bool | TryGetIndex (int user_id, int item_id, out int index) |
Try to get the index for given user and item. | |
bool | TryGetIndex (int user_id, int item_id, ICollection< int > indexes, out int index) |
Try to get the index for given user and item. | |
Properties | |
IList< int > | AllItems [get] |
all item IDs in the dataset | |
IList< int > | AllUsers [get] |
all user IDs in the dataset | |
IList< IList< int > > | ByItem [get] |
indices by item | |
IList< IList< int > > | ByUser [get] |
indices by user | |
int | Count [get] |
the number of interaction events in the dataset | |
IList< int > | CountByItem [get] |
count by item | |
IList< int > | CountByUser [get] |
count by user | |
DateTime | EarliestTime [get] |
earliest time | |
IList< int > | Items [get] |
the item entries | |
DateTime | LatestTime [get] |
latest time | |
int | MaxItemID [get] |
the maximum item ID in the dataset | |
int | MaxUserID [get] |
the maximum user ID in the dataset | |
IList< int > | RandomIndex [get] |
get a randomly ordered list of all indices | |
IList< DateTime > | Times [get] |
the item entries | |
IList< int > | Users [get] |
the user entries |
interface for data sets with time information
int GetIndex | ( | int | user_id, |
int | item_id | ||
) | [inherited] |
Get index for a given user and item.
user_id | the user ID |
item_id | the item ID |
Implemented in DataSet.
int GetIndex | ( | int | user_id, |
int | item_id, | ||
ICollection< int > | indexes | ||
) | [inherited] |
Get index for given user and item.
user_id | the user ID |
item_id | the item ID |
indexes | the indexes to look at |
Implemented in DataSet.
ISet<int> GetItems | ( | IList< int > | indices | ) | [inherited] |
Get all items that are referenced by a given list of indices.
indices | the indices to take into account |
Implemented in DataSet.
ISet<int> GetUsers | ( | IList< int > | indices | ) | [inherited] |
Get all users that are referenced by a given list of indices.
indices | the indices to take into account |
Implemented in DataSet.
void RemoveItem | ( | int | item_id | ) | [inherited] |
Remove all events related to a given item.
item_id | the item ID |
Implemented in Ratings, DataSet, PosOnlyFeedback< T >, StaticRatings, and RatingsProxy.
void RemoveUser | ( | int | user_id | ) | [inherited] |
Remove all events related to a given user.
user_id | the user ID |
Implemented in Ratings, DataSet, PosOnlyFeedback< T >, StaticRatings, and RatingsProxy.
bool TryGetIndex | ( | int | user_id, |
int | item_id, | ||
out int | index | ||
) | [inherited] |
Try to get the index for given user and item.
user_id | the user ID |
item_id | the item ID |
index | will contain the index of the first event encountered that matches the user ID and item ID |
Implemented in DataSet.
bool TryGetIndex | ( | int | user_id, |
int | item_id, | ||
ICollection< int > | indexes, | ||
out int | index | ||
) | [inherited] |
Try to get the index for given user and item.
user_id | the user ID |
item_id | the item ID |
indexes | the indexes to look at |
index | will contain the index of the first event encountered that matches the user ID and item ID |
Implemented in DataSet.
IList<IList<int> > ByItem [get, inherited] |
IList<IList<int> > ByUser [get, inherited] |
int Count [get, inherited] |
the number of interaction events in the dataset
Implemented in DataSet, StaticRatings, and IRatings.
IList<int> CountByItem [get, inherited] |
IList<int> CountByUser [get, inherited] |
DateTime EarliestTime [get] |
earliest time
Implemented in TimedRatings.
DateTime LatestTime [get] |
latest time
Implemented in TimedRatings.
IList<int> RandomIndex [get, inherited] |
get a randomly ordered list of all indices
Should be implemented as a lazy data structure
Implemented in DataSet.
IList<DateTime> Times [get] |
the item entries
Implemented in TimedRatings.