class_docstr: Dataset that consists of a subset of a previous dataset
  
  Args:
      dataset (torch.utils.data.Dataset): Complete dataset
      ids (list): List of subset IDs
code: def __init__(self, dataset, ids):
      super(SubsetDataset, self).__init__()
      self.dataset = dataset
      self.ids = ids
  
file_path: torchbearer/torchbearer/cv_utils.py
imports: import math
  import torch
  from torch.utils.data import TensorDataset, Dataset
  import random
label_desc: Use image node_id 1 to create a new SubsetDataset object from inherited base classes: Dataset with example: obj = SubsetDataset(dataset, ids)