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@ -13,8 +13,7 @@ class Net(nn.Module): |
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def forward(self, x): |
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x = torch.sigmoid(self.fc1(x)) |
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x = torch.sigmoid(self.fc2(x)) |
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return x |
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return self.fc2(x) |
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def get_argmax(array): |
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@ -25,9 +24,7 @@ def get_argmax(array): |
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max = array[i] |
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index = i |
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one_hot = [0, 0, 0, 0] |
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one_hot[index] = 1 |
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return one_hot |
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return [index] |
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def get_trainset(dataset, k, n0, x_columns, y_columns): |
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@ -65,7 +62,7 @@ def get_trainset(dataset, k, n0, x_columns, y_columns): |
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y.append(yt) |
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x = torch.FloatTensor(x) |
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y = np.array(y) |
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y = torch.LongTensor(y) |
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return x, y |
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@ -75,20 +72,19 @@ def time_series_sigmoid_classification(steps, dataset, k, n0, x_columns, y_colum |
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loss = nn.CrossEntropyLoss() |
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for step in range(steps): |
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x, y = get_trainset(dataset, k, n0, x_columns, y_columns) |
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optimizer.zero_grad() |
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x, y = get_trainset(dataset, k, n0, x_columns, y_columns) |
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pred = net(x) |
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pred = pred.detach().numpy() |
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for row in range(len(pred)): |
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pred[row] = get_argmax(pred[row]) |
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net_loss = loss(pred, y) |
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net_loss = loss(pred, torch.max(y, 1)[1]) |
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net_loss.backward() |
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optimizer.step() |
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print("Loss at Step {}: {}".format(step, net_loss)) |
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x, y = get_trainset(dataset, k, n0, x_columns, y_columns) |
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accuracy(net, x, y) |
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def accuracy(net, x, y): |
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pred = net(x) |
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@ -106,6 +102,7 @@ def accuracy(net, x, y): |
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accuracy = (correct / total) * 100 |
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print("Accuracy for set: {}%".format(accuracy)) |
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torch.save(net, "model.ckpt") |
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def main(): |
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