What does the `allN` parameter do in the cChart action?

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Réponse

The `allN` parameter, when set to True, includes all subgroups in the analysis, regardless of whether their sample size equals the nominal sample size specified. The default is False.
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Other questions about cChart
How does the `sigmas` parameter affect the control limits? What pattern is identified by `test2`? How does the action handle subgroups with varying sample sizes? Can I run tests for special causes if my control limits are not 3-sigma? What is the mandatory parameter for using the cChart action?
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