code: def test_pdf_mixeddata_CV_LS(self):
      dens_u = nparam.KDEMultivariate(
          data=[self.c1, self.o, self.o2], var_type="coo", bw="cv_ls"
      )
      npt.assert_allclose(
          dens_u.bw, [0.70949447, 0.08736727, 0.09220476], atol=1e-6
      )
  
imports: import numpy
  import numpy.testing
  import pytest
  from numpy.testing import assert_allclose, assert_equal
  import statsmodels.api
label_desc: Use image node_id 1 for calling the TestKDEMultivariate obj's underlying member method code with example usage: obj.test_pdf_mixeddata_CV_LS() without return types