samples/sample_mlp.py

"""Sample: a small PyTorch MLP for tabular regression (e.g. race-result prediction)."""
import torch
import torch.nn as nn


class RacePredictorMLP(nn.Module):
    def __init__(self, in_features=18):
        super().__init__()
        self.fc1 = nn.Linear(in_features, 64)
        self.relu1 = nn.ReLU()
        self.fc2 = nn.Linear(64, 32)
        self.relu2 = nn.ReLU()
        self.dropout = nn.Dropout(0.2)
        self.fc3 = nn.Linear(32, 1)

    def forward(self, x):
        x = self.relu1(self.fc1(x))
        x = self.relu2(self.fc2(x))
        x = self.dropout(x)
        return self.fc3(x)