ults])
    
    self.veritas_model[&#39;calibration_lower&#39;]=lower_
    self.veritas_model[&#39;calibration_veritas&#39;]=veritas_

    # Fitting distributions to lower and veritas thresholds
    dfit = distfit(distr=&#39;lognorm&#39;,verbose=None)
    dfit.fit_transform(lower_)
    df, loc, scale = dfit.model[&#39;params&#39;]
    dist = lognorm(df, loc=loc, scale=scale)
    self.veritas_model[&#39;dist_lower&#39;] = dist        
    self.veritas_model[&#39;LOWER_THRESHOLD&#39;] = dist.ppf(self.threshol