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The outlier problem and an on-line procedure to detect outliers in groundwater quality time series

 
: Pfaud, A.; Plate, E.; Hiessl, H.

Jousma, G.; Bear, J.:
Groundwater contamination. Use of models in decision-making. Proceedings
Dordrecht: Kluwer Academic Publishers Group, 1989
ISBN: 0-7923-0136-6
pp.191-199
International Conference on Groundwater Contamination <1987, Amsterdam>
English
Conference Paper
Fraunhofer ISI ()
groundwater quality data; on-line identification of outliers; outlier; outlier detection; time series

Abstract
The general outlier problem is briefly reviewed and characterized for various types of statistical samples (uni/multivariate, serially un/correlated). The requirements for outlier detection procedures to be applied during data collection phase are stated and a detection procedure which is also applicable in the on-line situation is presentated and applied to time series of groundwater quality data.

: http://publica.fraunhofer.de/documents/PX-27798.html