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Robust Process Capability Analysis/Evidence
Method evidence record

Robust Process Capability Analysis

Robust process capability analysis extends classical capability indices (Cp, Cpk, Ppk) by replacing the sample mean and standard deviation with robust location and scale estimators — such as the median, trimmed mean, MAD, or IQR-based spread — so that outliers and non-normal process distributions do not inflate or distort the capability estimate. The result is a more reliable assessment of whether a manufacturing or service process can consistently meet specification limits.

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Citations copied verbatim from the method’s source record. No claim-level verification is inferred from them.

Robust Process Capability Analysis
Taxonomic method record · process-pipeline / experimental-design
  • Maravelakis, P. E., Bersimis, S., Panaretos, J., & Psarakis, S. (2004). Identifying the out of control variable in a multivariate control chart. Communications in Statistics - Theory and Methods, 33(10), 2499–2510. · URL
  • Tong, L.-I., & Chen, J.-P. (1998). Lower confidence limits of process capability indices for nonnormal process distributions. International Journal of Quality & Reliability Management, 15(8–9), 907–919. · URL
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Curated claims

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Related methods

Generated from the method graph and shown as machine-suggested relations — no evidence claim is inferred.

Taxonomic bucketControl chartmachine-suggested · Relational suggestion, not evidence.Same method familyProcess Capability Analysismachine-suggested · Relational suggestion, not evidence.Taxonomic bucketRobust Control Chartmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketRobust Statistical Process Controlmachine-suggested · Relational suggestion, not evidence.Same method familySix Sigma DMAICmachine-suggested · Relational suggestion, not evidence.Taxonomic bucketStatistical Process Controlmachine-suggested · Relational suggestion, not evidence.

Evidence status

Sources recorded, not reviewed

Bibliographic sources are present. Claim-level evidence review has not been performed.

Sources

2 recorded citations, copied from the method source record.

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