SAP ABAP Data Element QCPK (Process Capability Index (Cpk Value))
Hierarchy
☛
SAP_APPL (Software Component) Logistics and Accounting
⤷
QM-QC-IS (Application Component) Information System
⤷
QG02 (Package) QM quality information system
SAP_APPL (Software Component) Logistics and Accounting⤷
QM-QC-IS (Application Component) Information System⤷
QG02 (Package) QM quality information system
Basic Data
| Data Element | QCPK |
| Short Description | Process Capability Index (Cpk Value) |
Data Type
| Category of Dictionary Type | D | Domain |
| Type of Object Referenced | No Information | |
| Domain / Name of Reference Type | QSTATWERT | |
| Data Type | FLTP | Floating point number, accurate to 8 bytes |
| Length | 16 | |
| Decimal Places | 16 | |
| Output Length | 22 | |
| 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 | Cpk value |
| Medium | 15 | Cpk value |
| Long | 20 | Cpk value |
| Heading | 10 | Cpk value |
Documentation
Definition
The process capability index cpk is a measurement for the expected share of nonconforming units in the process. The larger the value, the smaller the share.
Use
For characteristic values with a normal distribution the following formula is used in the calculation:
cpk = min((ULV - x-bar), (x-bar - LLV)) / 3*s
ULV and LLV are the limits of the tolerance area, x-bar and s are estimated values for the expected value and standard deviation of the original values.
Note
If no master inspection characteristic, or inspection characteristic exists in the current drill-down, the Cpk value is not relevant. In such a case, asterisks (***) appear in place of the Cpk value. Similarly, if no tolerances exist, asterisks (***) appear in place of the Cpk value.
History
| Last changed by/on | SAP | 19971020 |
| SAP Release Created in |
