code: def run_score_deviation(scores: np.ndarray, tau: Float) -> Float:
      """Evaluates how many `scores` are above `tau` averaged across all runs."""
      return np.mean(scores > tau)
  
file_path: rliable/rliable/library.py
imports: from typing import Callable, Dict, List, Optional, Tuple, Union, Mapping
  from absl import logging
  import arch.bootstrap
  import numpy
  from numpy import random
label_desc: Use image node_id 2 for calling a global function with example usage: run_score_deviation(scores, tau) and returns: np