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jianmohuo 9b34b1c22a [Model] Spatial-temporal Graph Neural Networks for Traffic Prediction (#1445)
* stgcn_wave model

* fix readme

* rm data file

* split sensors2graph

* rm dead code

* fix README

* rename class

* rm seed & dead code

* Update README.md

* rm dead code & networkx

* add num_layer papram, make model structure adjustable

* fix

* add model structure controller string, make code easier to understand and make model strcture more flexible

* Update main.py

* Update model.py

* fix

* Update README.md

Co-authored-by: Ubuntu <ubuntu@ip-172-31-14-255.ap-northeast-1.compute.internal>
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
Co-authored-by: Da Zheng <zhengda1936@gmail.com>
2020-05-12 07:25:39 -07:00

31 行
842 B
Python

import torch
import numpy as np
import pandas as pd
def load_data(file_path, len_train, len_val):
df = pd.read_csv(file_path, header=None).values.astype(float)
train = df[: len_train]
val = df[len_train: len_train + len_val]
test = df[len_train + len_val:]
return train, val, test
def data_transform(data, n_his, n_pred, device):
# produce data slices for training and testing
n_route = data.shape[1]
l = len(data)
num = l-n_his-n_pred
x = np.zeros([num, 1, n_his, n_route])
y = np.zeros([num, n_route])
cnt = 0
for i in range(l-n_his-n_pred):
head = i
tail = i + n_his
x[cnt, :, :, :] = data[head: tail].reshape(1, n_his, n_route)
y[cnt] = data[tail + n_pred - 1]
cnt += 1
return torch.Tensor(x).to(device), torch.Tensor(y).to(device)