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https://github.com/wassname/pytorch-ts.git
synced 2026-07-23 13:10:06 +08:00
typos
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@@ -0,0 +1 @@
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from .deepvar_estimator import DeepVAREstimator
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@@ -1,6 +1,5 @@
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from typing import List, Optional
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import numpy as np
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import pandas as pd
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import torch
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@@ -27,6 +26,7 @@ from pts.transform import (
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TargetDimIndicator,
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)
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from pts.feature import (
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TimeFeature,
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fourier_time_features_from_frequency_str,
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get_fourier_lags_for_frequency,
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)
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@@ -85,7 +85,7 @@ class DeepVAREstimator(PTSEstimator):
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self.cardinality = cardinality
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self.embedding_dimension = embedding_dimension
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self.conditioning_length = conditioning_length
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self.use_marginal_t
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self.use_marginal_transformation = use_marginal_transformation
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self.lags_seq = (
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lags_seq
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@@ -204,7 +204,7 @@ class DeepVAREstimator(PTSEstimator):
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transformation: Transformation,
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trained_network: DeepVARTrainingNetwork,
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device: torch.device,
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) -> Predictor:
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) -> PTSPredictor:
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prediction_network = DeepVARPredictionNetwork(
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input_size=self.input_size,
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target_dim=self.target_dim,
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@@ -64,7 +64,7 @@ class DeepVARTrainingNetwork(nn.Module):
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batch_first=True,
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)
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self.proj_dist_args = distr_output.get_args_proj()
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self.proj_dist_args = distr_output.get_args_proj(num_cells)
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self.embed_dim = 1
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self.embed = nn.Embedding(
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@@ -72,9 +72,9 @@ class DeepVARTrainingNetwork(nn.Module):
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)
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if scaling:
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self.scaler = MeanScaler(keepdims=True)
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self.scaler = MeanScaler(keepdim=True)
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else:
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self.scaler = NOPScaler(keepdims=True)
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self.scaler = NOPScaler(keepdim=True)
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@staticmethod
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def get_lagged_subsequences(
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@@ -118,7 +118,7 @@ class DeepVARTrainingNetwork(nn.Module):
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begin_index = -lag_index - subsequences_length
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end_index = -lag_index if lag_index > 0 else None
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lagged_values.append(sequence[:, begin_index:end_index, ...].unsqueeze(1))
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return torch.cat(*lagged_values, dim=1).permute(0, 2, 3, 1)
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return torch.cat(lagged_values, dim=1).permute(0, 2, 3, 1)
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def unroll(
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self,
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@@ -156,23 +156,12 @@ class DeepVARTrainingNetwork(nn.Module):
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.expand(-1, unroll_length, -1)
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.reshape((-1, unroll_length, self.target_dim * self.embed_dim))
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)
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# repeated_index_embeddings = (
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# index_embeddings.expand_dims(axis=1)
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# .repeat(axis=1, repeats=unroll_length)
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# .reshape((-1, unroll_length, self.target_dim * self.embed_dim))
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# )
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# (batch_size, sub_seq_len, input_dim)
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inputs = torch.cat((input_lags, repeated_index_embeddings, time_feat), dim=-1)
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# unroll encoder
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outputs, state = self.rnn(inputs, begin_state)
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# inputs=inputs,
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# length=unroll_length,
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# layout="NTC",
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# merge_outputs=True,
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# begin_state=begin_state,
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# )
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# assert_shape(outputs, (-1, unroll_length, self.num_cells))
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# for s in state:
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@@ -412,7 +401,7 @@ class DeepVARTrainingNetwork(nn.Module):
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# mask the loss at one time step if one or more observations is missing
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# in the target dimensions (batch_size, subseq_length, 1)
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loss_weights = observed_values.min(dim=-1, keepdims=True)
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loss_weights = observed_values.min(dim=-1, keepdim=True)
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# assert_shape(loss_weights, (-1, seq_len, 1))
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