little bit turns out to be to raise it the you raise it to the 3/4 strange but you know turned out to work well the other thing they do is they do the they do a sub sampling of frequent words so again this is a way to kind of push down the often appearing words where they say the most frequent words can easily occur hundreds of millions of times like in the array such words usually provide less information value than the rare words for example while the Skip current model benefits from observing the co-occurrences of France and Paris it