Due to technicalities, the tree we load back may not be exactly the same.
Due to technicalities, the tree we load back may not be exactly the same.

This is because we don't preserve *everything* in the Hoeffding tree when we
save, so that we can keep our models compact.

palashahuja/mlpack,ajjl/mlpack,ajjl/mlpack,ranjan1990/mlpack,theranger/mlpack,theranger/mlpack,darcyliu/mlpack,ajjl/mlpack,theranger/mlpack,darcyliu/mlpack,ranjan1990/mlpack,darcyliu/mlpack,palashahuja/mlpack,ranjan1990/mlpack,palashahuja/mlpack