class_docstr: Results class for OneWayMixed models
  
      
class_docstr_tok: ["Results","class","for","OneWayMixed","models"]
code: def cov_random(self):
      return self.model.cov_random()
  
imports: import numpy
  import numpy.linalg
  from statsmodels.base.model import LikelihoodModelResults
  from statsmodels.tools.decorators import cache_readonly
label_desc: Use image node_id 4 for calling the OneWayMixedResults obj's underlying member method code with example usage: obj.cov_random() and returns: self