- log_string(f'perplexity {k+1} train {math.exp(min(100, acc_train_loss/nb_train_samples))} test {math.exp(min(100, acc_test_loss/nb_test_samples))}')
+ train_perplexity = math.exp(min(100, acc_train_loss/nb_train_samples))
+ test_perplexity = math.exp(min(100, acc_test_loss/nb_test_samples))
+
+ log_string(f'perplexity {k+1} train {train_perplexity} test {test_perplexity}')