Browsing Research Articles (Statistics) by UP Author "Kritzinger, Pierre"

Browsing Research Articles (Statistics) by UP Author "Kritzinger, Pierre"

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  • Improved Shewhart-type runs-rules nonparametric sign charts 
    Kritzinger, Pierre; Human, Schalk William; Chakraborti, Subhabrata (Taylor & Francis, 2014-07)
    Runs-rules are typically incorporated in control charts to increase their sensitivity to detect small process shifts. However, a drawback of this approach is that runs-rules charts are unable to detect large shifts quickly. ...
  • Robustness of the EWMA control chart for individual observations 
    Human, Schalk William; Kritzinger, Pierre; Chakraborti, Subhabrata (Taylor & Francis, 2011-10)
    The traditional exponentially weighted moving average (EWMA) chart is one of the most popular control charts used in practice today. The in-control robustness is the key to the proper design and implementation of any ...