Output Table Schema
Column |
Data Type |
Description |
iternum |
INTEGER |
Iteration number. NULL for baseline rmse. |
rmse |
DOUBLE PRECISION |
Root mean square error after iteration. |
WeightModelTable Schema
Column |
Data Type |
Description |
itemid |
INTEGER |
Item identifier. |
weights |
BLOB |
Interpolation weights for item, in compressed binary format. |
BiasModelTable Schema
Column |
Data Type |
Description |
label |
CHARACTER(1) |
One of the following values:
label |
Meaning |
U |
User statistics |
I |
Item statistics |
G |
Global statistics |
|
id |
INTEGER |
Item identifier or user identifier. |
value |
DOUBLE PRECISION |
One of the following values:
label |
value |
U |
Average rating across all users for item. |
I |
Average rating across all items from user. |
G |
Global average rating across all users and all items. |
|
NearestItemsTable Schema
This table appears only with the NearestItemsTable syntax element.
Column |
Data Type |
Description |
itemi |
INTEGER |
Item identifier of item i. |
itemj |
INTEGER |
Item identifier of item j. |
sij |
DOUBLE PRECISION |
Calculated similarity between item i and item j. |