I have a dataset that has 4 Columns as x axis. I want to check the data for: Autocorrelation, Multicolinearity, Heteroscedasticity and Normality, In what order should ı perform the tests? And ıf my data turns out to be not normal, can I still perform ANOVA?
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Don't do tests. Fit the model, look at the residuals. – Demetri Pananos Oct 01 '20 at 18:54
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shouldn't I perform anova before I use any regression model? – Enes Senel Oct 01 '20 at 18:56
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Anova is technically a regression model. I would suggest not using a hypothesis test to assess the assumptions. – Demetri Pananos Oct 01 '20 at 18:59