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