Ewma
Properties
| Lambda | Gets the EWMA smoothing constant λ in the interval (0, 1]. |
| Observations | Gets the baseline observations used to fit this chart. |
| Series | Gets the EWMA chart series containing the smoothed values and the time-varying control limits. |
| Sigma | Gets the process sigma estimate used to compute EWMA control limits. |
| State |
Gets the current lifecycle state of this chart.
(Inherited from ControlChart) |
| Target | Gets the target value (μ₀) used as the EWMA center line and recursion starting point. |
| Width | Gets the control-limit width multiplier L. |