Outliers in ANOVA and multcompare

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Madalena João
Madalena João 2020-12-2
回答： Jeff Miller 2020-12-2
Hi,
Does ANOVA1 and multcompare functions include the outliers in the analysis?
If not, how can I force to do that?
Thanks!

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回答（1 个）

Jeff Miller
Jeff Miller 2020-12-2
Yes, outliers are included. (Scores are considered outliers only for the purposes of the boxplots.)
The way you can tell is that the total df in the ANOVA table is 1 less than the total number of scores. If outliers were dropped, this total df value would drop correspondingly.

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