code: def reg_mean_errors(prediction, y, significance):
      """Calculates the average error rate of a conformal regression model."""
      return 1 - reg_n_correct(prediction, y, significance) / y.size
  
file_path: lightwood/lightwood/analysis/nc/metrics.py
imports: import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: reg_mean_errors(prediction, y, significance) and returns: unknown