code: def _psturng_scalar(q, r, v):
      return np.squeeze(_psturng(q, r, v))
  
file_path: statsmodels/statsmodels/stats/libqsturng/qsturng_.py
imports: from statsmodels.compat.python import lrange
  import math
  import scipy.stats
  import numpy
  from scipy.optimize import fminbound
label_desc: Use image node_id 12 for calling a global function with example usage: _psturng_scalar(q, r, v) and returns: np