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Table 4 The probabilistic DQ metrics for permanent and occasional SHM

From: Review of data quality indicators and metrics, and suggestions for indicators and metrics for structural health monitoring

 

Indicators

Measurement

Accuracy

Precision

Consistency

Completeness

Timeliness

Accessibility

Redundancy

Relevancy

Permanent

A = R – M

σd

Co ~ N(μco, σco)

C ~ N (μc, σc)

QTime = 1

Ac ~ N (μc, σc)

R ~ N (μr, σr)

Re ~ N (μre, σre)

R & M ~ N (μ, σ)

       

Occasional

A = R – M

σd

Co ~ B(nco, pco)

C ~ B (nc, pc)

 \(Q_{Time}\left(T\right)=e^{-\lambda\cdot T}\) 

Ac ~ B (nc, pc)

R ~ B (nr, pr)

Re ~ B (nre, pre)

R & M ~ B (n, p)

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