104 lines
3.0 KiB
Python
104 lines
3.0 KiB
Python
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import pandas as pd
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import torch
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import torch.nn as nn
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from sklearn.preprocessing import MinMaxScaler
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from torch.utils.data import TensorDataset
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from torch.utils.data import DataLoader
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from sacred import Experiment
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from sacred.observers import FileStorageObserver, MongoObserver
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exint = Experiment("ium_z487186", interactive=True)
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exint.observers.append(FileStorageObserver('my_runs'))
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# exint.observers.append(MongoObserver(url='mongodb://admin:IUM_2021@172.17.0.1:27017',
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# db_name='sacred'))
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@exint.config
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def my_config():
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batch_size = 64
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learning_rate = 0.001
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epochs = 100
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@exint.capture
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def prepare_message(msg):
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return msg
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@exint.main
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def my_main(batch_size, learning_rate, epochs):
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with exint.open_resource('train.data') as f:
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train_file = pd.read_csv(f)
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train_file = train_file.drop('Unnamed: 0', axis=1)
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df_pandas = train_file.dropna()
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X_train = df_pandas.drop('class', axis=1)
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Y_train = df_pandas['class']
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scaler = MinMaxScaler()
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X_train = scaler.fit_transform(X_train)
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x_tensor = torch.tensor(X_train).float()
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y_tensor = torch.tensor(Y_train.values).float()
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train_ds = TensorDataset(x_tensor, y_tensor.unsqueeze(1))
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train_dl = DataLoader(train_ds, batch_size=batch_size)
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class ClassificationModel(nn.Module):
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def __init__(self, n_input_dim):
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super(ClassificationModel, self).__init__()
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self.layer_1 = nn.Linear(n_input_dim, 256)
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self.layer_2 = nn.Linear(256, 128)
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self.layer_out = nn.Linear(128, 1)
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self.relu = nn.ReLU()
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self.sigmoid = nn.Sigmoid()
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self.dropout = nn.Dropout(p=0.1)
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self.batchnorm1 = nn.BatchNorm1d(256)
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self.batchnorm2 = nn.BatchNorm1d(128)
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def forward(self, inputs):
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x = self.relu(self.layer_1(inputs))
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x = self.batchnorm1(x)
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x = self.relu(self.layer_2(x))
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x = self.batchnorm2(x)
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x = self.dropout(x)
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x = self.sigmoid(self.layer_out(x))
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return x
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model = ClassificationModel(X_train.shape[1])
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print(model)
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loss_func = nn.BCEWithLogitsLoss()
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optimizer = torch.optim.Adam(model.parameters(), lr=learning_rate)
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model.train()
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train_loss = []
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for epoch in range(epochs):
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for xb, yb in train_dl:
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y_pred = model(xb) # Forward Propagation
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loss = loss_func(y_pred, yb) # Loss Computation
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optimizer.zero_grad() # Clearing all previous gradients, setting to zero
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loss.backward() # Back Propagation
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optimizer.step() # Updating the parameters
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if epoch % 10 == 0:
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print(f"Loss in {epoch}. iteration: {loss.item()}")
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train_loss.append(loss.item())
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print('Last iteration loss value: '+str(loss.item()))
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model_scripted = torch.jit.script(model) # Export to TorchScript
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model_scripted.save('model_scripted.pt') # Save
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exint.add_artifact('model_scripted.pt')
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exint.run()
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