class_docstr: Test the ParallelCoordinates visualizer
class_docstr_tok: ["Test","the","ParallelCoordinates","visualizer"]
docstr: Float values for 'sample' argument outside [0,1] should raise.
docstr_tok: ["Float","values","for","'sample","'","argument","outside","[","0,1","]","should","raise","."]
code: def test_sample_float_invalid(self):
      """
      Float values for 'sample' argument outside [0,1] should raise.
      """
      with pytest.raises(YellowbrickValueError):
          ParallelCoordinates(sample=-0.2)
  
      with pytest.raises(YellowbrickValueError):
          ParallelCoordinates(sample=1.1)
  
imports: import pytest
  import numpy
  from yellowbrick.datasets import load_occupancy
  from yellowbrick.features.pcoords import *
  from tests.base import VisualTestCase
  from ..fixtures import Dataset
  from sklearn.datasets import make_classification
label_desc: Use image node_id 24 for calling the TestParallelCoordinates obj's underlying member method code with example usage: obj.test_sample_float_invalid() without return types