ControlRuleSets.BasicShewhart Property

public static ControlRuleSet BasicShewhart { get; }

Public Shared ReadOnly Property BasicShewhart As ControlRuleSet
	Get

public:
static property ControlRuleSet^ BasicShewhart {
	ControlRuleSet^ get ();
}

static member BasicShewhart : ControlRuleSet with get

Property Value

Applies a single rule:

• PointBeyondControlLimits — one point beyond ±3σ (window length 1).

This is the recommended rule set for EWMA and CUSUM chart statistics, which are serially correlated by design. Run rules such as those in Nelson or WesternElectric assume independent observations and will produce excessive false alarms when applied to EWMA or CUSUM output.

Reference