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Observations deemed to be outliers can be excluded from analysis by enclosing the value in square brackets, or included again by removing the square brackets surrounding the value. Analyse-it provides a simple way to mark or unmark an observation as an outlier. We rtecommend attaching a Note/Comment to cells containing outliers to explain why they are excluded.
To mark (or unmark) an observation as an outlier:
- Select the Excel cell containing the observation to mark (or unmark) as an outlier.
- Click Mark/Unmark outlier (click to enlarge) on the Analyse-it tab/toolbar.
- The observation will be marked/unmarked as an outlier.
(click to enlarge)