# informalexample 9.2 of section 9.1.1 
# (informalexample 9.2 of section 9.1.1)  : Exploring advanced methods : Using bagging and random forests to reduce training variance : Using bagging to improve prediction 

model  accuracy        f1  dev.norm
bagging, training 0.9220372 0.8072953 0.4702707

            model  accuracy        f1 dev.norm
    bagging, test 0.9061135 0.7646497 0.528229

