code: def _individual_pdfs(self, x_test):
      pdfs = np.zeros(
          shape=[
              x_test.shape[0],
              self.data.shape[0],
              self.data.shape[1],
          ],
          dtype=np.float,
      )
  
      for i, k in enumerate(self.kernels):
          pdfs[:, :, i] = k(x_test[:, i]).T
  
      return pdfs
  
file_path: auptimizer/src/aup/Proposer/hpbandster/optimizers/kde/mvkde.py
imports: import numpy
  import scipy.optimize
  import ConfigSpace
  from hpbandster.optimizers.kde.kernels import Gaussian, AitchisonAitken, WangRyzinOrdinal, WangRyzinInteger
label_desc: Use image node_id 6 for calling the MultivariateKDE obj's underlying member method code with example usage: obj._individual_pdfs(x_test) and returns: pdfs