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Techniques for analyzing the relationship between one (or more) "dependent" variables and "independent" variables.
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Interaction Plot error: The lines do not meet
Hello I wanted to develop an alternative regression equation just to prove that my first regression equation is a better fit. … I will first write the multiple regression equation and then the interaction plot and also the resulting plot.
> interact_plot(Poly, pred = x2, modx = x1)
Warning message:
-1.13290847281745 is outside …