code: def remove_absolute_mask__r2(X, y, model_generator, method_name, num_fcounts=11):
      
      return __run_measure(measures.remove_mask, X, y, model_generator, method_name, 0, num_fcounts, sklearn.metrics.r2_score)
docs: Remove Absolute (mask)
      xlabel = "Max fraction of features removed"
      ylabel = "1 - R^2"
      transform = "one_minus"
      sort_order = 9