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Process Capability (Cp, Cpk) and Process Performance (Pp, Ppk): What’s the Difference?

Process capability and process performance are calculations intended to show how a process is faring. These calculations can be stacked against a distribution to see how they measure up against a ...
Simon Fraser University

Capability Indices

If you do not specify both LSL and USL, the variable _CP_ is assigned a missing value. The process capability index C pk is computed as If you specify only USL, the index C pk is computed as You can ...
PharmTech

The Statistical Evaluation of Cleaning Processes Using Process Capability and its Application to New Product Introduction

The approach presented in this study uses process capability index results to establish sampling strategies for use with new product cleaning and to efficiently reduce the risk of insufficient ...