generate model by simple neutral network

.gitignore

@@ -1,3 +1,5 @@
 df_atp.csv
 df_wta.csv
 atp-and-wta-tennis-data.zip
+data
+model.zip

init.py

@@ -4,6 +4,7 @@ import pandas as pd
 import numpy as np
 from sklearn.model_selection import train_test_split
 import matplotlib
+from pathlib import Path
 
 # Inicjalizacja danych
 
@@ -73,3 +74,13 @@ print("\nElements of total set: " + str(len(atp_data)))
 print("\nElements of test set: " + str(len(atp_test)))
 print("\nElements of dev set: " + str(len(atp_dev)))
 print("\nElements of train set: " + str(len(atp_train)))
+
+# Stworzenie plików z danymi trenującymi i testowymi
+
+filepath1 = Path('data/atp_test.csv')  
+filepath2 = Path('data/atp_train.csv')  
+filepath1.parent.mkdir(parents=True, exist_ok=True)  
+filepath2.parent.mkdir(parents=True, exist_ok=True)  
+
+atp_test.to_csv(filepath1)  
+atp_train.to_csv(filepath2)

neutral_network.py

@@ -0,0 +1,115 @@
+from ast import arg
+import numpy as np
+import pandas as pd
+import torch
+import argparse
+from torch import nn
+from torch.utils.data import DataLoader, Dataset
+
+default_batch_size = 64
+default_epochs = 4
+
+device = "cuda" if torch.cuda.is_available() else "cpu"
+
+class AtpDataset(Dataset):
+    def __init__(self, file_name):
+        df = pd.read_csv(file_name)
+
+        # Loser avg and Winner avg
+        x = df.iloc[:, 4].values
+        y = df.iloc[:, 3].values
+
+        self.x_train = torch.from_numpy(x)
+        self.y_train = torch.from_numpy(y)
+        self.x_train.type(torch.LongTensor)
+
+    def __len__(self):
+        return len(self.y_train)
+
+    def __getitem__(self, idx):
+        return self.x_train[idx].float(), self.y_train[idx].float()
+
+
+class MLP(nn.Module):
+    def __init__(self):
+        super().__init__()
+        self.layers = nn.Sequential(
+            nn.Linear(1, 64),
+            nn.ReLU(),
+            nn.Linear(64, 32),
+            nn.ReLU(),
+            nn.Linear(32, 1),
+        )
+
+    def forward(self, x):
+        x = x.view(x.size(0), -1)
+        return self.layers(x)
+
+
+def train(dataloader, model, loss_fn, optimizer):
+    size = len(dataloader.dataset)
+    model.train()
+    for batch, (X, y) in enumerate(dataloader):
+        X, y = X.to(device), y.to(device)
+        pred = model(X)
+        loss = loss_fn(pred, y)
+        optimizer.zero_grad()
+        loss.backward()
+        optimizer.step()
+        if batch % 100 == 0:
+            loss, current = loss.item(), batch * len(X)
+            print(f"loss: {loss:>7f}  [{current:>5d}/{size:>5d}]")
+
+
+def test(dataloader, model, loss_fn):
+    num_batches = len(dataloader)
+    model.eval()
+    test_loss, correct = 0, 0
+    with torch.no_grad():
+        for X, y in dataloader:
+            X, y = X.to(device), y.to(device)
+            pred = model(X)
+            test_loss += loss_fn(pred, y).item()
+    test_loss /= num_batches
+    print(f"Avg loss (using {loss_fn}): {test_loss:>8f} \n")
+    return test_loss
+
+
+def setup_args():
+    args_parser = argparse.ArgumentParser(prefix_chars='-')
+    args_parser.add_argument('-b', '--batchSize', type=int, default=default_batch_size)
+    args_parser.add_argument('-e', '--epochs', type=int, default=default_epochs)
+    return args_parser.parse_args()
+
+
+print(f"Using {device} device")
+
+args = setup_args()
+batch_size = args.batchSize
+
+plant_test = AtpDataset('data/atp_test.csv')
+plant_train = AtpDataset('data/atp_train.csv')
+
+train_dataloader = DataLoader(plant_train, batch_size=batch_size)
+test_dataloader = DataLoader(plant_test, batch_size=batch_size)
+
+for i, (data, labels) in enumerate(train_dataloader):
+    print(data.shape, labels.shape)
+    print(data, labels)
+    break
+
+model = MLP()
+print(model)
+
+loss_fn = nn.MSELoss()
+optimizer = torch.optim.Adam(model.parameters(), lr=1e-3)
+epochs = args.epochs
+
+for t in range(epochs):
+    print(f"Epoch {t + 1}\n-------------------------------")
+    train(train_dataloader, model, loss_fn, optimizer)
+    test(test_dataloader, model, loss_fn)
+print("Finish!")
+
+torch.save(model.state_dict(), './model.zip')
+print("Model saved in ./model.zip file.")