/ Use simple difference for better AUC. Revert "/ Use sqrt(perplexityTrue^2-perplexityFalse^2) for difference"
/ Use simple difference for better AUC.
Revert "/ Use sqrt(perplexityTrue^2-perplexityFalse^2) for difference"

This reverts commit c58751c7455906f369b6fbb27401e7f4880713eb.

0nse/WikiWho,0nse/WikiWho