text: // Copyright (c) 2017 The Authors. All rights reserved.
  // Use of this source code is governed by a MIT license that can be
  // found in the LICENSE file, See the AUTHORS file for names of contributors.
  
  #ifndef MSE_H_
  #define MSE_H_
  
  #include "regression_criterion.h"
  
  namespace tree_based_model {
  
  // Mean squared error impurity criterion
  class MSE : public RegressionCriterion {
  public:
    MSE();
  
  };
  
  }
  
  #endif // MSE_H_
  