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  1. J

    Influence of frequency on contigency table

    If there are binomial observations, and binomial conditions, what is the influence of frequency and how to determine the "correct" frequency. For example, say there is a engine light that is either on or off. And the cars either had the oil changed or they didn't by a mechanic who could tell...
  2. J

    Statistics of fault indicator and maintenance for repairable fleet

    There is a fleet of repairable units and the units have system health measurements which consist primarily of vibration amplitudes. The health monitoring system is "new", so the thresholds are based on standard deviations of "normal" operations. So, the thresholds are clearly too low...