code: def linregress_slope(x, y):
      """Return the slope of a least-squares regression for two sets of measurements."""
      return stats.linregress(x, y)[0]
  
file_path: torchsde/diagnostics/utils.py
imports: import itertools
  import os
  import random
  import matplotlib.pyplot
  import numpy
  import torch
  from scipy import stats
  from torchsde.types import Optional, Tensor, Sequence, Union, Callable
label_desc: Use image node_id 6 for calling a global function with example usage: linregress_slope(x, y) and returns: stats