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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… they are designed to detect changes in a mean vector in all directions. Examples of such procedures are Hotelling’s … the data, the correlations between all pairs of hospitals lie in the interval 0.0 � r � 0.49. In addition, there are … by the dark vertical lines with the specific dates at the top. The signal times for the individual CUSUMs are …