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Showing 1 to 3 of 3 for “"Exponentially Weighted Moving Average Chart"”.
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Exponentially Weighted Moving Average Charts for Monitoring the Process Generalized Variance
<p>The exponentially weighted moving average chart based on the sample generalized variance is studied under the independent multivariate normal model for the vector of quality measurements. The performance of the chart is based on an analysis of the chart's initial and steady-state run length …
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Adaptive Threshold Method for Monitoring Rates in Public Health Surveillance
… correctly signal an outbreak using Shewhart and exponentially weighted moving average (EWMA) charts. Our results indicate the adaptive threshold method gives more consistent statistical performance across different parameter sets and amounts of baseline historical data used for computing the …
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Surveillance of Poisson and Multinomial Processes
… choice for on-going surveillance is the control chart; however, the chart must be constructed in a way that accommodates the situation at hand. Two scenarios involving attribute control charting are investigated here. The first scenario involves Poisson count data where the area of opportunity …