class_docstr: Reads in the data and creates class instance to be tested
class_docstr_tok: ["Reads","in","the","data","and","creates","class","instance","to","be","tested"]
code: def setup_class(cls):
      data = star98.load()
      data.exog = np.asarray(data.exog)
      desc_stat_data = data.exog[:50, 5]
      mv_desc_stat_data = data.exog[:50, 5:7]  # mv = multivariate
      cls.res1 = DescStat(desc_stat_data)
      cls.res2 = DescStatRes()
      cls.mvres1 = DescStat(mv_desc_stat_data)
  
imports: import numpy
  from numpy.testing import assert_almost_equal
  from statsmodels.datasets import star98
  from statsmodels.emplike.descriptive import DescStat
  from .results.el_results import DescStatRes
label_desc: Use image node_id 1 for calling the GenRes obj's underlying member method code with example usage: obj.setup_class(cls) without return types