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Pk Ppk Short and Long Term Capability 2016-02-22

Definitions of long and short term capablity

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Industry has numerous seemingly conflicting definitions of which indexes and formulas are used for quantifying short and long term capability

Profound Statistical Concepts: When Theory Collides with Reality
The Shewhart-Deming Critique of Classical Statistics by Jonathon Siegel: A critique of the weaknesses of using classical statistics in the Quality profession
The Statistical Foundation Cracks in the Popular Gauge R&R Method: Describes why the popular (AIAG) Gauge R&R method is flawed and presents practical alternatives
Inspection Sampling Plan for Categorical Data - RQL and AQL Based Plans: calcuator for determing sample sizes and OC curves
Process Capability Indices: The calculation of a mathematical formula is no substitute for thinking