DeepAR

#aws #sagemaker #machine learning #time series

DeepAR is for forecasting one-dimensional time series data. It is able to find the frequencies and seasonalities.

Input

  • jsonl (timestamp, dynamic or categorical features, target)

Training

  • Use all the data when possible
  • Inference on a small window in the future
  • Train on many series if possible

Hyperparameters

  • Context length
  • Epochs
  • Batch size
  • Learning rate
  • Hidden dimension/cells

CPU can be sufficient, especially for inference.

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