code: def _mixed_anova(self, dv=None, between=None, within=None, subject=None,
                   correction=False, export_filename=None):
      
      aov = mixed_anova(data=self, dv=dv, between=between, within=within,
                        subject=subject, correction=correction,
                        export_filename=export_filename)
      return aov
docs: Two-way mixed ANOVA.