code: def make_meanstd_AV(ts, m):
      """returns boolean annotation vector which selects windows with a standard deviation greater than average"""
      _, std = movmeanstd(ts, m)
      mu = std.mean()
      return (std < mu).astype(int)
  
file_path: matrixprofile-ts/matrixprofile/annotation_vector.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import numpy
  from .utils import movmeanstd
label_desc: Use image node_id 2 for calling a global function with example usage: make_meanstd_AV(ts, m) and returns: unknown