class_docstr: Class that stores a centroid's attributes.
class_docstr_tok: ["Class","that","stores","a","centroid","'s","attributes","."]
code: def __init__(self):
      self.centre = None
      self.class_label = None
      self.std_dev = None
  
file_path: river/river/datasets/synth/random_rbf.py
imports: from __future__ import annotations
  import random
  import warnings
  from river import datasets
label_desc: Use image node_id 1 to create a new Centroid object  with example: obj = Centroid()