import torch
import torch.nn as nn

class LogReg(nn.Module):
    def __init__(self, in_dim):
        super(LogReg, self).__init__()
        self.linear = nn.Linear(in_dim, 1)
        self.sigmoid = nn.Sigmoid()

    def forward(self, x):
        y_pred = self.sigmoid(self.linear(x))
        return y_pred