نتایج جستجو برای: c control chart
تعداد نتایج: 2291420 فیلتر نتایج به سال:
Distribution-free (nonparametric) control charts provide a robust alternative to a data analyst when there is lack of knowledge about the underlying distribution. A two-sided nonparametric Phase II exponentially weighted moving average (EWMA) control chart, based on the exceedance statistics (EWMA-EX), is proposed for detecting a shift in the location parameter of a continuous distribution. The...
The application of statistical methods to monitor a process is critical ensure its stability. Statistical control aims detect and identify abnormal patterns that disrupt the natural behaviour process. Most studies in literature are focused on recognising single patterns. However, many industrial processes, more than one unusual chart pattern may appear simultaneously, i.e., concurrent (CCP). Th...
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