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Air pollution and emergency admissions for cardiorespiratory diseases in Lisbon...
Alves,Célia A.; Scotto,Manuel G.; Freitas,Maria do CarmoDaily records of hospital admissions due to cardiorespiratory diseases and levels of PM10, SO2, CO, NO, NO2, and O3 were collected from 1999-2004 to evaluate the relationship between air pollution and morbidity in Lisbon. Generalised additive Poisson regression models were adopted, controlling for temperature, humidity, and both short and long-term seasonality. Significant positive associations, lagged by 1 or ...
On the extremes of randomly sub-sampled time series
Hall, Andreia; Scotto, Manuel G.In this paper, we investigate the extremal properties of randomly sub-sampled stationary sequences. Motivation comes from the need to account for the effect of missing values on the analysis of time series and the comparison of schemes for monitoring systems with breakdowns or systems with automatic replacement of devices in case of failures.
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