PRACTICE PROBLEM FOR THE FINAL EXAM (3)
FINAL EXAM REVIEW: ANSWER KEY
1. Recall the psa dataset that we used in lab 4. I built a logistic regression model for predicting capsule=1 that included psa, age, and gleason in the model (model 1). Part of the resulting SAS output follows:
Model 1:
Model Fit Statistics
Intercept
Intercept and
Criterion Only Covariates
AIC 514.289 411.208
SC 518.229 426.969
-2 Log L 512.289 403.208
Analysis of Maximum Likelihood Estimates
Parameter DF Estimate Error Chi-Square Pr > ChiSq
Intercept 1 -6.3896 1.4976 18.2045 ................
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