Created
January 26, 2023 07:14
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Minimal example using DeepAREstimator
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from gluonts.dataset.repository.datasets import get_dataset | |
from gluonts.transform import ExpectedNumInstanceSampler | |
from gluonts.torch.model.deepar import DeepAREstimator | |
import torch | |
dataset = get_dataset("electricity") | |
context_length = 2 * 7 * 24 | |
prediction_length = dataset.metadata.prediction_length | |
model = DeepAREstimator( | |
prediction_length=prediction_length, | |
context_length=context_length, | |
freq='1H', | |
hidden_size=100, | |
train_sampler = ExpectedNumInstanceSampler( | |
num_instances=1, | |
min_future=prediction_length, | |
min_past=context_length, | |
), | |
batch_size=32, | |
num_batches_per_epoch=50, | |
trainer_kwargs={ | |
'max_epochs': 10, | |
'gpus': -1 if torch.cuda.is_available() else None, | |
}, | |
) | |
predictor = model.train(dataset.train, dataset.test, shuffle_buffer_length=10, num_workers=4) |
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