Computation times

00:01.528 total execution time for 6 files from examples/mlearning/quality_measure:

Example	Time	Mem (MB)
Cross-validation (plot_cross_validation.py)	00:00.326	0.0
RMSE for regression models (plot_rmse.py)	00:00.318	0.0
R2 for regression models (plot_r2.py)	00:00.317	0.0
MSE for regression models (plot_mse.py)	00:00.315	0.0
Leave-one-out (plot_leave_one_out.py)	00:00.225	0.0
Error from surrogate discipline (plot_from_surrogate.py)	00:00.027	0.0