add evaluations

...poch-8-train_loss-4.3-val_loss-4.9.pt_500-checkpoint.html

...ynb_checkpoints/tania-some-other-metrics-checkpoint.ipynb

...l_const-epoch-4-train_loss-4.57-val_loss-4.97.pt_500.html

...nal_const-epoch-8-train_loss-4.3-val_loss-4.9.pt_500.html

tania_scripts/tania-some-other-metrics.ipynb