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Question 2. In a medical experiment, two different treatment methods are randoml...

Apr 11, 2024

Question 2. In a medical experiment, two different treatment methods are randomly assigned to diabetes patients. The results are as follows. The numbers in the table refer to the number of cases. \begin{tabular}{|l|l|lll|} \hline Treatment & Sex & Worsened & No change & Improved \\ \hline A & Male & 155 & 215 & 280 \\ & Female & 75 & 180 & 95 \\ \hline B & Male & 85 & 95 & 75 \\ & Female & 55 & 40 & 25 \\ \hline \end{tabular} (b) [10 marks] Fit a multinomial regression model with main effects for treatment and sex as well the interaction terms using R. Please provide R codes.