Table 3.

Sensitivity of the r² score (average across the 10 subsets of the 10-fold cross validation) to the size of the training set, for predictions of E₂₂ and σ₂₂.

Size of training set	r2 for predictions of E22	r2 for predictions of σ22
180	0.576512	0.265424
360	0.566154	0.427627
540	0.713846	0.634068
720	0.763077	0.707797
900	0.836923	0.752034
1080	0.886154	0.76678
1260	0.910769	0.796271
1440	0.923077	0.840508
1620	0.947692	0.855254
1800	0.964265	0.873654