Add a StatisticType for DTNN.
Add a StatisticType for DTNN.

erubboli/mlpack,BookChan/mlpack,lezorich/mlpack,thirdwing/mlpack,ersanliqiao/mlpack,bmswgnp/mlpack,darcyliu/mlpack,datachand/mlpack,minhpqn/mlpack,stereomatchingkiss/mlpack,theranger/mlpack,theranger/mlpack,Azizou/mlpack,erubboli/mlpack,datachand/mlpack,ersanliqiao/mlpack,ranjan1990/mlpack,erubboli/mlpack,stereomatchingkiss/mlpack,trungda/mlpack,palashahuja/mlpack,bmswgnp/mlpack,Azizou/mlpack,lezorich/mlpack,BookChan/mlpack,bmswgnp/mlpack,datachand/mlpack,chenmoshushi/mlpack,ersanliqiao/mlpack,stereomatchingkiss/mlpack,chenmoshushi/mlpack,thirdwing/mlpack,theranger/mlpack,darcyliu/mlpack,palashahuja/mlpack,minhpqn/mlpack,ranjan1990/mlpack,ajjl/mlpack,trungda/mlpack,ajjl/mlpack,BookChan/mlpack,Azizou/mlpack,ranjan1990/mlpack,palashahuja/mlpack,lezorich/mlpack,minhpqn/mlpack,chenmoshushi/mlpack,ajjl/mlpack,trungda/mlpack,thirdwing/mlpack,darcyliu/mlpack