code: def saveConfidenceIntervals(self, cost):
      if cost.max_cost != 0:
          cost.ci_lower, cost.ci_upper = ConfidenceInterval.calculate(
              cost.nb_examples,
              cost.loss,
              cost.max_cost,
              self.conf_alpha,
          )
  
file_path: vowpal_wabbit/demo/cats/utility/get_online_results.py
imports: import sys
  import getopt
  from confidence_interval import ConfidenceInterval
label_desc: Use image node_id 6 for calling the EvaluatorOnline obj's underlying member method code with example usage: obj.saveConfidenceIntervals(cost) without return types