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spc (version 0.2.1)
Statistical Process Control
Description
Evaluation of control charts by means of
the zero-state, steady-state ARL (Average Run Length).
Setting up control charts for given in-control ARL
and plotting of the related figures. The control charts
under consideration are one- and two-sided EWMA and
CUSUM charts for monitoring the mean of normally
distributed independent data. Now, the ARL calculation
of EWMA-S^2 control charts is added.
Other charts and
parameters are in preparation. Further SPC areas will
be covered as well (sampling plans, capability indices ...).