Index of Terms and Symbols
| α | Statistical level of significance. |
| ANOVA | Analysis of variance. |
| β (beta) | Estimate of the slope. |
| Basel II | Basel II is the second of the Basel Accords, which are recommendations on banking laws and regulations. |
| BIDV | Business impacting decision variable. |
| C | correlation matrix |
| C–1 | Inverse of correlation matrix. |
| CDE | Critical data element. |
| COPDQ | Cost of poor data quality |
| DAIC | Define, Assess, Improve, and Control. |
| dB units | Decibel units. |
| DFSS | Design for Six Sigma. |
| DMADV | Define, Measure, Analyze, Design, and Verify. |
| DMAIC | Define, Measure, Analyze, Improve, and Control. |
| DQ | Data quality. |
| DQ score | A composite data quality score based on several dimensions. It can be calculated at the CDE level, at the business function level, or at the enterprise level. |
| DQOM | Data quality operating model. |
| DQPC | Data quality practices center. |
| D2 | Mahalanobis distance |
| FMEA | Failure mode effect analysis. |
| IR | Issues resolution. |
| La(bc) | representation of OA |
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| K | Number of variables. |
| OA | Orthogonal array. |
| M | Input signal. |
| MD | Mahalanobis distance. |
| MS | Mahalanobis space or reference group. |
| MTS | Mahalanobis-Taguchi Strategy. |
| ODS | Operational data source. |
| PQ | Process quality. |
| QLF | Quality loss function. |
| r | Sum of squares due to the input signal. |
| RWA | Risk-weighted assets. |
| Sβ | Sum of squares due to slope. |
| Scaled MD | Scaled Mahalanobis distance. |
| Se or SSE | Error sum of squares. |
| SME | Subject-matter expert. |
| S/N ratio | Signal-to-noise ratio. |
| σ or s or s.d. | Standard deviation. |
| SPC | Statistical process control. |
| ST | Total sum of squares. |
| Ve | Error variance. |
| V(X) | Variance of X. |
| Xi | Original variables. |
| Zi | Standardized variables. |
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