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Quality Technology & Quantitative Management Volume 16, 2019 - Issue 1
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Articles

A robust multivariate sign control chart for detecting shifts in covariance matrix under the elliptical directions distributions

Wenjuan LiangSchool of Mathematics and Statistics, Huangshan University, Huangshan, China.;School of Statistics, East China Normal University, Shanghai, China.View further author information
,
Dongdong XiangSchool of Statistics, East China Normal University, Shanghai, China.Correspondence[email protected]
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,
Xiaolong PuSchool of Statistics, East China Normal University, Shanghai, China.View further author information
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Yan LiSchool of Statistics, East China Normal University, Shanghai, China.View further author information
&
Lingzhu JinSchool of Statistics, East China Normal University, Shanghai, China.;Department of Financial Data Technology, Shanghai DZH Limited, Shanghai, China.View further author information
Pages 113-127 | Accepted 17 Aug 2017, Published online: 12 Sep 2017

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