• 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 ...
    • Wilcoxon-type rank-sum statistics for selecting the best population: Some advances 

      Koutras M.V., Triantafyllou I.S. (2020)
      In this article, we introduce three new nonparametric procedures for testing the equality of two lifetime distributions. The proposed testing processes are based on appropriately modified Wilcoxon-type rank-sum statistics. ...