class_docstr: Dataset
      
code: def __init__(self, data, stats):
      self.__data = data
      self.mean = stats["mean"]
      self.std = stats["std"]
  
file_path: PGL/legacy/examples/stgcn/data_loader/data_utils.py
imports: import numpy
  import pandas
  from utils.math_utils import z_score
label_desc: Use image node_id 1 to create a new Dataset object from inherited base classes: object with example: obj = Dataset(data, stats)