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Load the data Patient Satisfaction into R. The hospital administrator wishes to determine the bestsubset of predictor variables for predicting...
Load the data Patient Satisfaction into R. The hospital administrator wishes to determine the bestsubset of predictor variables for predicting patient satisfaction.
1. Indicate which subset of predictor variables you would recommend as best for predicting patientsatisfaction according to each of the following criteria: R2a;p, AICp, Cp BICp. Furthermorecompute the PRESSp for the best model according to BICp. Support your recommendationswith appropriate graphs.
2. Do the four criteria in part(1) identify the same best subset? Does this always happen?
3. Would forward stepwise regression have any advantages here as a screening procedure over the all-possible-regression procedure?
Satisfaction Age IllnessLev AnxietyLev2.32.32.21.81.82.92.22.42.92.12.42.42.22.32.22.02.51.92.12.42.32.92.31.82.52.52.02.62.42.72.01.82.02.22.82.22.52.42.42.62.32.02.62.22.11.8