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Statistical Process Control

Statistical methods for quality control and production process monitoring


capabilityProcess capability indices
capaplotProcess capability plot
controlchartShewhart control charts
controlrulesWestern Electric and Nelson control rules
gagerrGage repeatability and reproducibility study
histfitHistogram with a distribution fit
normspecNormal density plot between specifications

Examples and How To

Control Charts

Visualizing processes over time

Capability Studies

Meeting specifications

Improve an Engine Cooling Fan Using Design for Six Sigma Techniques

This example shows how to improve the performance of an engine cooling fan through a Design for Six Sigma approach using Define, Measure, Analyze, Improve, and Control (DMAIC).


Introduction to Statistical Process Control

Monitoring industrial processes

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