class_docstr: Implementaion of Deep AR model forecaster
class_docstr_tok: ["Implementaion","of","Deep","AR","model","forecaster"]
code: def __init__(self, config: DeepARConfig):
      super().__init__(config)
  
imports: import copy
  import logging
  import math
  import numpy
  import pandas
  from typing import List, Optional, Tuple, Union
  from merlion.utils.misc import initializer
  from merlion.models.base import NormalizingConfig
  from merlion.models.deep_base import TorchModel, LossFunction
  from merlion.models.forecast.deep_base import DeepForecasterConfig, DeepForecaster
label_desc: Use image node_id 1 to create a new DeepARForecaster object from inherited base classes: DeepForecaster with example: obj = DeepARForecaster(config)