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Comparing Directionally Sensitive MCUSUM and MEWMA Procedures with Application to Biosurveillance

Summary: [This abstract is based on the authors' abstract.] The performance of two directionally sensitive multivariate methods not currently used for biosurveillance is compared. The analysis is based on simulations using synthetic biosurveillance data mimicking disease incidence and outbreaks. Multivariate CUSUM (MCUSUM) and EWMA (MEWMA) are applied to residuals from an adaptive regression that accounts for the systemic effects normally present in biosurveillance data. Results show the directionally sensitive MCUSUM and MEWMA perform similarly.

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  • Topics: Process Management, Statistical Process Control (SPC)
  • Keywords: Biotechnology, Regression analysis, Health care, National security, Cumulative sum control chart (CUSUM), Exponentially weighted moving average control charts (EWMA), Multivariate
  • Author: Fricker, Jr., Ronald D.; Knitt, Matthew C.; Hu, Cecilia X.
  • Journal: Quality Engineering