Models	RMSE scores across outer folds for various models					Test Error
Models	Fold 1	Fold 2	Fold 3	Fold 4	Fold 5	Test Error
RF	0.40653	0.42186	0.40352	0.42007	0.41772	0.40136
CNN	0.52449	0.53675	0.53037	0.50402	0.50808	0.50608
Hybrid	0.18889	0.18788	0.17808	0.18807	0.18857	0.18600