class_docstr: Wiener Process, Brownian Motion with mu=0 and sigma=1
      
class_docstr_tok: ["Wiener","Process",",","Brownian","Motion","with","mu=0","and","sigma=1"]
code: def __init__(self):
      pass
  
imports: import numpy
  from scipy import stats, signal
  import matplotlib.pyplot
label_desc: Use image node_id 1 to create a new Diffusion object  with example: obj = Diffusion()