Estimation of hospital emergency room data using otc pharmaceutical sales and least mean square filters

BACKGROUND Surveillance of Over-the-Counter pharmaceutical (OTC) sales as a potential early indicator of developing public health conditions, in particular in cases of interest to Bioterrorism, has been suggested in the literature. The data streams of interest are quite non-stationary and we address this problem from the viewpoint of linear adaptive filter theory: the clinical data is the prima...

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Estimation of hospital emergency room data using otc pharmaceutical sales and least mean square filters

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