Evidence-Based Software Engineering

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Glossary - outlier


A data point that lies beyond the range of values that might be expected for a variable. The expectation may arise from a theoretical consideration (a predicted curve) or from a clustering of empirical values. Note that an outlier may still be a valid data point. Outliers should not be removed from the data set without a good reason. (See box plot.)

This entry was last updated on 5 August 2008