How are varying subgroup sample sizes handled?

Réponse

You can use the 'limitN' parameter to specify a nominal sample size for control limits. To include all subgroups regardless of their size, set 'allN' to True. To enable tests for special causes with varying subgroup sizes, set 'testNStd' to True.

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Other questions about boxChart

What does the 'controlStat' parameter control in a box chart? What is the difference between the 'chartsTable' and 'outLimitsTable' output tables? How can I specify the estimation method for the process standard deviation? Which tests for special causes can be performed with the boxChart action? What is the primary function of the boxChart action?

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