Introduction Epidemiologists, public health agencies and scientists increasingly augment traditional surveillance systems with alternative data sources such as, digital surveillance systems utilizing news reports and social media, over-the-counter medication sales, and school absenteeism. Similar to school absenteeism, an increase in reservation cancellations could serve as an early indicator o...

A new approach for modeling under reported Poisson counts is developed The parameters of the model are estimated by Markov Chain Monte Carlo simulation An application to workers absenteeism data from the German Socio Economic Panel illustrates the fruitfulness of the approach Worker absenteeism and the level of pay are unrelated but absence rates increase with rm size I had helpful discussions ...