SAP ABAP Data Element RSDMEA_LIFT_OUT (Lift of the association rule)
Hierarchy
☛
SAP_BW (Software Component) SAP Business Warehouse
⤷
BW-EI-DM (Application Component) Data Mining
⤷
RS_DME_AA (Package) Data mining engines: Association analysis
SAP_BW (Software Component) SAP Business Warehouse⤷
BW-EI-DM (Application Component) Data Mining⤷
RS_DME_AA (Package) Data mining engines: Association analysis
Basic Data
| Data Element | RSDMEA_LIFT_OUT |
| Short Description | Lift of the association rule |
Data Type
| Category of Dictionary Type | Direct Type Entry | |
| Type of Object Referenced | No Information | |
| Domain / Name of Reference Type | ||
| Data Type | CHAR | Character String |
| Length | 6 | |
| Decimal Places | 0 | |
| Output Length | 6 | |
| Value Table |
Further Characteristics
| Search Help: Name | ||
| Search Help: Parameters | ||
| Parameter ID | ||
| Default Component name | ||
| Change document | ||
| No Input History | ||
| Basic direction is set to LTR | ||
| No BIDI Filtering |
Field Label
| Length | Field Label | |
| Short | 10 | Lift |
| Medium | 0 | |
| Long | 0 | |
| Heading | 0 |
Documentation
Definition
Confidence divided by support of the depending product.
Use
Lift helps to identify and eliminate rules that are only generated because some of the items naturally occur very frequently, although there is no actual association between the set of leading and depending items.
Example
Mathematically, for a rule X => Y,
lift = actual support (X,Y) / {Actual Support (X) * Actual Support (Y)},
where X and Y are the set of leading and depending items respectively, and actual support of an item set is the fraction (not in percentage) of all the transactions containing that item set.
History
| Last changed by/on | SAP | 20110908 |
| SAP Release Created in | 21C |
