Remove method that allows modifying the data matrix, because references can't be re-pointed, and also because the sparse data matrix is only built in the constructor.
Remove method that allows modifying the data matrix, because references can't be
re-pointed, and also because the sparse data matrix is only built in the
constructor.


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