69 lines
2.0 KiB
Python
69 lines
2.0 KiB
Python
|
import torch
|
||
|
|
import torch.nn as nn
|
||
|
|
import torch.optim as optim
|
||
|
|
from torch.utils.data import DataLoader, Dataset
|
||
|
|
import pandas as pd
|
||
|
|
from sklearn.model_selection import train_test_split
|
||
|
|
from sklearn.preprocessing import LabelEncoder
|
||
|
|
import torch.nn.functional as F
|
||
|
|
|
||
|
|
device = (
|
||
|
|
"cuda"
|
||
|
|
if torch.cuda.is_available()
|
||
|
|
else "cpu"
|
||
|
|
)
|
||
|
|
|
||
|
|
class Model(nn.Module):
|
||
|
|
def __init__(self, input_features=54, hidden_layer1=25, hidden_layer2=30, output_features=8):
|
||
|
|
super().__init__()
|
||
|
|
self.fc1 = nn.Linear(input_features,output_features)
|
||
|
|
self.bn1 = nn.BatchNorm1d(hidden_layer1) # Add batch normalization
|
||
|
|
self.fc2 = nn.Linear(hidden_layer1, hidden_layer2)
|
||
|
|
self.bn2 = nn.BatchNorm1d(hidden_layer2) # Add batch normalization
|
||
|
|
self.out = nn.Linear(hidden_layer2, output_features)
|
||
|
|
|
||
|
|
def forward(self, x):
|
||
|
|
x = F.relu(self.fc1(x))
|
||
|
|
return x
|
||
|
|
|
||
|
|
def load_model(model, model_path):
|
||
|
|
model.load_state_dict(torch.load(model_path))
|
||
|
|
model.eval()
|
||
|
|
|
||
|
|
def predict(model, input_data):
|
||
|
|
# Convert input data to PyTorch tensor
|
||
|
|
|
||
|
|
# Perform forward pass
|
||
|
|
with torch.no_grad():
|
||
|
|
output = model(input_data)
|
||
|
|
|
||
|
|
_, predicted_class = torch.max(output, 0)
|
||
|
|
|
||
|
|
return predicted_class.item() # Return the predicted class label
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
|
forest_test = pd.read_csv('forest_test.csv')
|
||
|
|
|
||
|
|
X_test = forest_test.drop(columns=['Cover_Type']).values
|
||
|
|
y_test = forest_test['Cover_Type'].values
|
||
|
|
|
||
|
|
X_test = torch.tensor(X_test, dtype=torch.float32).to(device)
|
||
|
|
|
||
|
|
model = Model().to(device)
|
||
|
|
model_path = 'model.pth' # Path to your saved model file
|
||
|
|
load_model(model, model_path)
|
||
|
|
|
||
|
|
predictions = []
|
||
|
|
for input_data in X_test:
|
||
|
|
predicted_class = predict(model, input_data)
|
||
|
|
predictions.append(predicted_class)
|
||
|
|
|
||
|
|
with open(r'predictions.txt', 'w') as fp:
|
||
|
|
for item in predictions:
|
||
|
|
# write each item on a new line
|
||
|
|
fp.write("%s\n" % item)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
main()
|