Definition: Outliers
Regional statistics
Irregular fluctuations represent movements which can not be predicted and which relate to events of all kinds. In general they follow a stable random pattern. In some cases, outliers may be present. These outliers have identifiable causes, such as strikes, floods, persistent change sin economic behaviour or changing circumstances in the data collection process.
Source:
Methodology of Short-term statistics, Eurostat 1997 p. 31
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