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Posted 09-09-2020 12:15 AM
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Why Analysis of Variance for a project with time as a fixed factor is a bad idea?
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t time obs has correlation with t-1 time obs .
Because within each SUBJECT(or group) , obs have correlation ( G-side or R-side random effect),
Not like GLM obs assuming NOT correlation (fixed effect) .
E.X.
The students from good school tended to enter colleague . while bad tended to not enter colleague.
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Anyone else? If I want to use Analysis of Variance for a project with time as a fixed factor, instead of repeated measures ANOVA, why this is a bad idea?