winterdat: 5-dimensional air quality dataset recorded in Leeds (U.K.),...

Description Format Source References


The dataset contains 590 (transformed) daily maxima of five air pollutants (respectively PM10, NO, NO2, 03 and S02) recorded in Leeds (U.K.) during five winter seasons (November-Februrary) between 1994 and 1998. Contains NA's. Outliers have been removed according to Heffernan and Tawn (2004).


A 590*5 matrix.



Heffernan, J. E., and Tawn, J. A. (2004). A conditional approach for multivariate extreme values. Journal of the Royal Statistical Society, Series B, Methodology, 66, 497–546

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