- AdjU
_{i} - Adjusted number of units for the i
^{th}component - AdjU
_{i}= C_{i}* BU###### Note

If complexity is not used, AdjU

_{i}= ObsU_{i} - AdjD
_{i} - Adjusted number of defects for the i
^{th}component -
###### Note

If complexity is not used, AdjD

_{i}= ObsD_{i} - AdjTO
_{i} - Adjusted total number of opportunities for the i
^{th}component - AdjTO
_{i}= AdjU_{i}* O_{i}###### Note

If complexity is not used, AdjTO

_{i}= ObsU_{i}O_{i} - DPO
_{i} - Number of defects per total opportunity for the i
^{th}component -
- When 0 < defects < total opportunities
- When defects = 0, based on a 100% upper bound for DPO
_{i} - When defects = total opportunities, based on a 100% lower bound for DPO
_{i}

- DPU
_{i} - Number of defects per unit for the i
^{th}component - DPMO
_{i} - Defects per million opportunities for the i
^{th}component - DPMO
_{i}= DPO_{i}* 10^{6} - Z ST
_{i} - Benchmark Z (short-term) for the i
^{th}component - Z ST
_{i}= Φ^{-1}(1 – DPO_{i}) + Shift_{i} - YTP
_{i} - Throughput yield for the i
^{th}component - YTP
_{i}= (1 – DPO_{i})^{Oi} - YRT
_{i} - Rolled throughput yield for the i
^{th}component - YRT
_{i}= (YTP_{i})^{Ci}###### Note

If complexity is not used, YRT

_{i}= YTP_{i} - TD
- Adjusted total defects
- TD = Σ(AdjD
_{i}) - TDPO
- Adjusted total defects per opportunity
- TDPMO
- Total defects per million opportunity
- TDPMO = TDPO * 10
^{6} - TShift
- Combined shift factor
- Z.Bench
- Combined benchmark Z (short-term)
- Z.Bench = Φ
^{-1}(1 – TDPO) + TShift

Term | Description |
---|---|

ObsU_{i} | Observed number of units for the i^{th} component |

O_{i} | Number of opportunities per unit for the i^{th} component |

ObsD_{i} | Observed number of defects for the i^{th} component |

Shift_{i} | Shift factor for the i^{th} component |

BU | Number of base units |

C_{i} | Complexity for the i^{th} component |