I recently faced the impossible task to identify outliers in a dataset with very, very small sample sizes and Dixon's Q test caught my attention. Criticism · Method · Implementation. I recently faced the impossible task to identify outliers in a dataset with very, very small sample sizes and Dixon's Q test caught my attention. Criticism · Method · Implementation. In statistics, Dixon's Q test, or simply the Q test, is used for identification and rejection of outliers. This assumes normal distribution and per Robert Dean and Example · Table.
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