Root mean-square error evaluation
    10k:  Mean=0.06342
    75k:  Mean=0.06029
    500k: Mean=0.05297

L2 residual (mean-square error) evaluation
    10k:  Mean=0.00402233725843	Variance=-9.84869642677
    75k:  Mean=0.00363504217952	Variance=-10.0989902649
    500k: Mean=0.00280579122265	Variance=-10.5673063055

L1 residual (mean-absolute error) evaluation
    10k:  Mean=0.0461644807675	Variance=-6.27055537744
    75k:  Mean=0.0453171497943	Variance=-6.44944594092
    500k: Mean=0.0410345452048	Variance=-6.79268050961
