Fix error in random sample generation.
Fix error in random sample generation.


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