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  1. J

    Urgent question centering regressor

    Thanks for your response. It is the data for my bachelor thesis. I have concrete reasons to think they are not valid. Yes this is my question. The outliers are not in the independent variable but in the dependent variable (but as they are linked, values of the indenepent regressor would be...
  2. J

    Urgent question centering regressor

    Dear community, I have a very urgent question. Do I center a regressor before I exclude outliers from the dependent variable or after? It would change the mean of the regressor because the data points that are an outlier for the dependent variable, their value of the regressor wil not be...
  3. J

    Significant interaction no significant comparision

    I mean that I created to subsets of my data one with all data points with kong=0 and one with kong=1 and did a linear model for each with the main effect for emopart2 as a substitute for TuKeys comparisions as I should not use that. But I mean the main effect for Kong is interpretable regardless...
  4. J

    Significant interaction no significant comparision

    Dear community, I did a linear mixed model full factorial with 2x2. I use the linear mixed model like an ANOVA and I have one significant main effect and a significant interaction effect.To solve the interaction I split my data by one variable and analyze the main effect by the other variable...