code: def test_equivalence_full_matrices(self):
      x = self.x.copy()
      svd_full_matrices_true = PCA(x, svd_full_matrices=True).factors
      svd_full_matrices_false = PCA(x).factors
      assert_allclose(svd_full_matrices_true, svd_full_matrices_false)
  
imports: from statsmodels.compat.platform import PLATFORM_WIN32
  import warnings
  import numpy
  import pandas
  import pytest
  from numpy.testing import assert_allclose, assert_equal, assert_raises
  from statsmodels.multivariate.pca import PCA, pca
  from statsmodels.multivariate.tests.results.datamlw import data, princomp1, princomp2
  from statsmodels.tools.sm_exceptions import EstimationWarning
label_desc: Use image node_id 15 for calling the TestPCA obj's underlying member method code with example usage: obj.test_equivalence_full_matrices() without return types