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wassname
2022-11-22 21:54:58 +08:00
parent 8818a2b17b
commit fc1a605b01
48 changed files with 803 additions and 1524 deletions
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data/datasets.py
+15 -9
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@@ -131,6 +131,20 @@ class ForecastDataset(Dataset):
if self.cross_learn:
return self.n_time_samples * self.n_dims
return self.n_time_samples
def get_inds(self, idx):
cx_start = idx
cx_end = cx_start + self.lookback_len
c_start = cx_end + self.gap
c_end = c_start + self.horizon_len
q_start = c_end + self.gap
q_end = q_start + self.horizon_len
qx_end = q_start
qx_start = qx_end - self.lookback_len
return cx_start, cx_end, c_start, c_end, qx_start, qx_end, q_start, q_end
def __getitem__(self, idx: int) -> Tuple[np.ndarray, np.ndarray, np.ndarray, np.ndarray]:
if self.cross_learn:
@@ -139,16 +153,8 @@ class ForecastDataset(Dataset):
idx = idx % self.n_time_samples
else:
dim_slice = slice(None)
cx_start = idx
cx_end = cx_start + self.lookback_len
c_start = cx_end + self.gap
c_end = c_start + self.horizon_len
qx_start = cx_end + self.gap
qx_end = qx_start + self.lookback_len
q_start = qx_end + self.gap
q_end = q_start + self.horizon_len
cx_start, cx_end, c_start, c_end, qx_start, qx_end, q_start, q_end = self.get_inds(idx)
context_past_x = self.data_x[cx_start:cx_end, dim_slice]
context_y = self.data_y[c_start:c_end, dim_slice]