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Wu Chunjie, Wang Zhaojun, . A Synthetic Control Chart Based on Cornish-Fisher\\Expansion[J]. Chinese Journal of Applied Probability and Statistics, 2009, 25(3): 257-265.
Citation: Wu Chunjie, Wang Zhaojun, . A Synthetic Control Chart Based on Cornish-Fisher\\Expansion[J]. Chinese Journal of Applied Probability and Statistics, 2009, 25(3): 257-265.

A Synthetic Control Chart Based on Cornish-Fisher\\Expansion

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  • According to Cornish-Fisher expansion, the control limits of Shewhart \olX control chart were constructed with up to the fourth moment (The moments are estimated from the in-control historical samples when the process distribution is unknown, and no further assumptions are made on the distribution). Then we made a synthetic control chart based on the Cornish-Fisher expansion. The in-control ARL's (average run length) and out-of-control ARL's of the new chart builded here were evaluated to compare with synthetic control chart (see \cite{1}) when the process distribution is Student-t, Weibull, Lognormal and Burr. Simulation results show that the new control chart is more robust than the other methods.

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