class_docstr: Test DataVisualizer base class
class_docstr_tok: ["Test","DataVisualizer","base","class"]
docstr: Test data visualizer on continuous data
code: def test_continuous(self):
      """
      Test data visualizer on continuous data
      """
      # Check when y is continuous
      X, y = self.continuous
      oz = DataVisualizer()
      assert oz.target_type == TargetType.AUTO
  
      self.assert_not_fitted(oz)
      assert oz.fit(X, y) is oz
      self.assert_fitted(oz)
      assert oz._target_color_type == TargetType.CONTINUOUS
      assert oz.range_ == (y.min(), y.max())
  
imports: import pytest
  import numpy
  import numpy.testing
  from tests.fixtures import Dataset
  from yellowbrick.base import Visualizer
  from yellowbrick.features.base import *
  from sklearn.base import BaseEstimator, TransformerMixin
  from sklearn.datasets import make_classification, make_regression
  from unittest.mock import Mock
label_desc: Use image node_id 6 for calling the TestDataVisualizer obj's underlying member method code with example usage: obj.test_continuous() without return types