下次要交的醫統作業
1.今天lab的習題 (沒來lab可以上ceiba看題目)
2.老師講義p.36 Homework
Use the anderson.txt data to the best model of the following 4 Cox PH models.
– Model 1 includes Rx, Sex, log WBC, Rx x Sex, and Rx x logWBC
– Model 2 includes Rx, Sex, log WBC, Rx x Sex
– Model 3 includes Rx, Sex, Rx x Sex
– Model 4 includes Rx, Sex, log WBC
‧ Questions:
1. Evaluate whether you would prefer model 1 or model 2.
2. Evaluate whether you would prefer model 3 or model 2.
3. Which of the 4 models you think is best? Explain.
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