code: def __init__(self, file_name, alpha, quiet):
      self.file_name = file_name
      self.conf_alpha = alpha
      self.costs = []
      self.best_cats = LossStructOn(
          "cats", 0, 0, sys.float_info.max, 0, 0, 0, 0, 0
      )
      self.best_disc_tree = LossStructOn(
          "disc_tree", 0, 0, sys.float_info.max, 0, 0, 0, 0, 0
      )
      self.best_disc_linear = LossStructOn(
          "disc_linear", 0, 0, sys.float_info.max, 0, 0, 0, 0, 0
      )
      self.max_time = 0.0
      self.quiet = quiet
  
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 1 to create a new EvaluatorOnline object  with example: obj = EvaluatorOnline(file_name, alpha, quiet)