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See also: survey on statistical tests, outliers |
Tests on outliers in data sets can be used to
Several outlier tests are available, each of them having its own
special advantages and drawbacks. Following is a short description of the
most commonly used strategies to identify outliers:
Nonetheless there is one common rule which should be strictly obeyed:
do
not eliminate outliers successively. To be specific, do not identify
an outlier, eliminate it and recalculate the statistics to perform another
outlier detection and elimination. All outliers must be removed in one
single calculation.
Last Update: 2002-Nov-03