Collect the values of the test error for all the models estimated above in a table and plot them in a Cleveland dot plot.

Null Model Full Model Ridge Regression kmin Ridge Regression kse Lasso Regression 1min Lasso Regression kse Bootstrap Aggregation Random Forest Test Error of 8 Prediction Models of Visit Length 122 124 126 Root Mean Squared Error (Minutes) 128 Bootstrap-Aggregation Model Wait Time O Wait Time Age Age Female OO Depression -O Injury Hyperlipidemia Depression OO Hypertension CAD Hypertension Injury Asthma OOOO Obesity Substance Abuse Substance Abuse Diabetes Diabetes Hyperlipidemia COPD ooo Asthma CAD Female Obesity ESRD COPD CHF CHF OOO HIV CKD CKD HIV O ESRD O -5 5 15 %IncMSE 0.0e+00 1.0e+07 IncNodePurityRandom-Forest Model Wait Time O Wait Time Age O Age O Injury O Injury Depression Hypertension Female Substance Abuse Substance_Abuse Depression Hyperlipidemia Hypertension CAD Hyperlipidemia Diabetes Diabetes COPD CAD OOOOOOOOOOOOO Obesity CHF Asthma Asthma COPD Female Obesity CKD CKD ESRD CHF HIV HIV ESRD 0 10 20 %IncMSE De+00 4e+06 8e+06 IncNodePurity