,pred,rf,Z)
                
            self.veritas_model[&#39;upper_scoretoprobability&#39;] = zt.scoretoprobability
            
            if Z.ppv.values[0] &gt; 0.85:
                THR=0.85
            else:
                THR=Z.ppv.values[2]
                
            self.veritas_model[&#39;UPPER_THRESHOLD&#39;] = Z[Z.ppv &gt; THR].threshold.values[-1]
            self.veritas_model[&#39;AUC&#39;] = zt.auc()
        return 
    
    def synccols(self, df_):
        &#34;&#34;&#34;
        Syn