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    • A general class of nonparametric control charts 

      Koutras M.V., Triantafyllou I.S. (2018)
      In this article, we introduce a new general class of nonparametric Shewhart-type control charts using the lengths of runs of test sample observations between successive observations of a reference sample. Several control ...

    • A new distribution-free monitoring scheme based on ranks 

      Triantafyllou I.S., Panayiotou N.I. (2022)
      In this article, we introduce a new nonparametric Shewhart − type control chart based on rank statistics. The setup of the proposed distribution − free monitoring scheme is presented in detail, while a real data example ...

    • Nonparametric control charts based on order statistics: Some advances 

      Triantafyllou I.S. (2018)
      In this article, we introduce new nonparametric Shewhart-type control charts that take into account the location of two order statistics of the test sample as well as the number of observations in that sample that lie ...

    • Run Rules-Based EWMA Charts for Efficient Monitoring of Profile Parameters 

      Yeganeh A., Shadman A.R., Triantafyllou I.S., Shongwe S.C., Abbasi S.A. (2021)
      In usual quality control methods, the quality of a process or product is evaluated by monitoring one or more quality characteristics using their corresponding distributions. However, when the quality characteristic is ...

    • Wilcoxon-type rank-sum control charts based on progressively censored reference data 

      Triantafyllou I.S. (2021)
      In this article, we introduce a new distribution − free Shewhart − type control chart implementing a modified Wilcoxon-type rank sum statistic based on progressive Type-II censoring reference data. The proposed chart is ...