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Directionally Sensitive Multivariate Statistical Process Control Procedures with Application to Syndromic Surveillance
Content Type: Abstract
Current syndromic surveillance systems run multiple simultaneous univariate procedures, each focused on detecting an outbreak in a single data stream. Multivariate procedures have the potential to better detect some types of outbreaks, but most of… read more… There are two reasons to use this region for S as com- pared with, say, S0 based on the positive orthant as … for multi- variate procedures, though Runger and Prabhu (26) have derived approximations for the multivariate EWMA, … dures. Finally, the best procedures from the previous com- parisons are compared in an effort to determine whether …