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test.py
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test.py
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import os
import sys
import torch
import numpy as np
from random import shuffle
import matplotlib.pyplot as plt
from torch_geometric.data import Batch
from emetrics import get_aupr, get_cindex, get_rm2, get_ci, get_mse, get_rmse, get_pearson, get_spearman
from utils import *
from scipy import stats
from gnn import GNNNet
from data_process import create_dataset_for_test
def predicting(model, device, loader):
model.eval()
total_preds = torch.Tensor()
total_labels = torch.Tensor()
print('Make prediction for {} samples...'.format(len(loader.dataset)))
with torch.no_grad():
for data in loader:
data_mol = data[0].to(device)
data_pro = data[1].to(device)
# data = data.to(device)
output = model(data_mol, data_pro)
total_preds = torch.cat((total_preds, output.cpu()), 0)
total_labels = torch.cat((total_labels, data_mol.y.view(-1, 1).cpu()), 0)
return total_labels.numpy().flatten(), total_preds.numpy().flatten()
def load_model(model_path):
model = torch.load(model_path)
return model
def calculate_metrics(Y, P, dataset='davis'):
# aupr = get_aupr(Y, P)
cindex = get_cindex(Y, P)
cindex2 = get_ci(Y, P)
rm2 = get_rm2(Y, P)
mse = get_mse(Y, P)
pearson = get_pearson(Y, P)
spearman = get_spearman(Y, P)
rmse = get_rmse(Y, P)
print('metrics for ', dataset)
# print('aupr:', aupr)
print('cindex:', cindex)
print('cindex2', cindex2)
print('rm2:', rm2)
print('mse:', mse)
print('pearson', pearson)
result_file_name = 'results/result_' + model_st + '_' + dataset + '.txt'
result_str = ''
result_str += dataset + '\r\n'
result_str += 'rmse:' + str(rmse) + ' ' + ' mse:' + str(mse) + ' ' + ' pearson:' + str(
pearson) + ' ' + 'spearman:' + str(spearman) + ' ' + 'ci:' + str(cindex) + ' ' + 'rm2:' + str(rm2)
print(result_str)
open(result_file_name, 'w').writelines(result_str)
def plot_density(Y, P, fold=0, dataset='davis'):
plt.figure(figsize=(10, 5))
plt.grid(linestyle='--')
ax = plt.gca()
ax.spines['top'].set_visible(False)
ax.spines['right'].set_visible(False)
plt.scatter(P, Y, color='blue', s=40)
plt.title('density of ' + dataset, fontsize=30, fontweight='bold')
plt.xlabel('predicted', fontsize=30, fontweight='bold')
plt.ylabel('measured', fontsize=30, fontweight='bold')
# plt.xlim(0, 21)
# plt.ylim(0, 21)
if dataset == 'davis':
plt.plot([5, 11], [5, 11], color='black')
else:
plt.plot([6, 16], [6, 16], color='black')
# plt.legend()
plt.legend(loc=0, numpoints=1)
leg = plt.gca().get_legend()
ltext = leg.get_texts()
plt.setp(ltext, fontsize=12, fontweight='bold')
plt.savefig(os.path.join('results', dataset + '_' + str(fold) + '.png'), dpi=500, bbox_inches='tight')
if __name__ == '__main__':
#dataset = ['davis', 'kiba'][int(sys.argv[1])] # dataset selection
dataset = 'davis'
model_st = GNNNet.__name__
print('dataset:', dataset)
#cuda_name = ['cuda:0', 'cuda:1', 'cuda:2', 'cuda:3'][int(sys.argv[2])] # gpu selection
cuda_name = 'cuda:0'
print('cuda_name:', cuda_name)
TEST_BATCH_SIZE = 512
models_dir = 'models'
results_dir = 'results'
device = torch.device(cuda_name if torch.cuda.is_available() else 'cpu')
model_name = 'Davis_train'
model_file_name = 'models/' + model_name + '.model'
result_file_name = 'Results/' + model_name + '.txt'
model = GNNNet()
model.to(device)
model.load_state_dict(torch.load(model_file_name, map_location=cuda_name))
test_data = create_dataset_for_test(dataset)
valid_path = 'PreData/valid_'+str(fold)+'.pt'
valid_data = torch.load(valid_path)
test_loader = ttorch.utils.data.DataLoader(valid_data, batch_size=TEST_BATCH_SIZE, shuffle=False,
collate_fn=collate, num_workers=8, pin_memory=True)
Y, P = predicting(model, device, test_loader)
calculate_metrics(Y, P, dataset)
# plot_density(Y, P, fold, dataset)