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gnn.py
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import time
import gc
import torch
from dgl.data.utils import Subset
import pandas as pd
from dgl.data.chem import csv_dataset, smiles_to_bigraph, MoleculeCSVDataset
from gnn_utils import AttentiveFPBondFeaturizer, AttentiveFPAtomFeaturizer, collate_molgraphs, \
EarlyStopping, set_random_seed, Meter
from torch.nn import BCEWithLogitsLoss, MSELoss
from torch.utils.data import DataLoader
import torch
from dgl.model_zoo.chem import MPNNModel, GCNClassifier, GATClassifier, AttentiveFP
import numpy as np
from sklearn.model_selection import train_test_split
from dgl import backend as F
from hyperopt import fmin, tpe, hp, Trials
import sys
import argparse
start_time = time.time()
torch.backends.cudnn.enabled = True
torch.backends.cudnn.benchmark = True
parser = argparse.ArgumentParser(description='PyTorch implementation')
parser.add_argument('--device', type=int, default=6, help='which gpu to use if any (default: 0)')
parser.add_argument('--data_label', type=str, default = 'esol', help='dataset.')
#parser.add_argument('--embed', type=str, default = 'GM', help='Embedding method: None, LE, LIFM, GM, SM, IFM.')
parser.add_argument('--epochs', type=int, default=300, help='running epochs')
parser.add_argument('--runseed', type=int, default=43, help = "Seed for minibatch selection, random initialization.")
parser.add_argument('--batch_size', type=int, default=128, help='batchsize')
parser.add_argument('--patience', type=int, default=50, help='patience')
parser.add_argument('--opt_iters', type=int, default=50, help='optimization_iters')
parser.add_argument('--repetitions', type=int, default=50, help='splitting repetitions')
parser.add_argument('--model_name',type=str,default='gcn', help=" 'gcn' or 'mpnn' or 'gat' or 'attentivefp' ")
args = parser.parse_args()
set_random_seed(seed=args.runseed)
tasks_dic = {'freesolv': ['activity'], 'esol': ['activity'], 'lipop': ['activity'], 'bace': ['activity'],
'bbbp': ['activity'], 'hiv': ['activity'],
'clintox': ['FDA_APPROVED', 'CT_TOX'],
'sider': ['SIDER1', 'SIDER2', 'SIDER3', 'SIDER4', 'SIDER5', 'SIDER6', 'SIDER7', 'SIDER8', 'SIDER9',
'SIDER10', 'SIDER11', 'SIDER12', 'SIDER13', 'SIDER14', 'SIDER15', 'SIDER16', 'SIDER17',
'SIDER18', 'SIDER19', 'SIDER20', 'SIDER21', 'SIDER22', 'SIDER23', 'SIDER24', 'SIDER25',
'SIDER26', 'SIDER27'],
'tox21': ['NR-AR', 'NR-AR-LBD', 'NR-AhR', 'NR-Aromatase', 'NR-ER', 'NR-ER-LBD', 'NR-PPAR-gamma', 'SR-ARE',
'SR-ATAD5', 'SR-HSE', 'SR-MMP', 'SR-p53'],
'pcba':['PCBA-1030', 'PCBA-1379', 'PCBA-1452', 'PCBA-1454', 'PCBA-1457', 'PCBA-1458',
'PCBA-1460', 'PCBA-1461', 'PCBA-1468', 'PCBA-1469', 'PCBA-1471', 'PCBA-1479', 'PCBA-1631',
'PCBA-1634', 'PCBA-1688', 'PCBA-1721', 'PCBA-2100', 'PCBA-2101', 'PCBA-2147', 'PCBA-2242',
'PCBA-2326', 'PCBA-2451', 'PCBA-2517', 'PCBA-2528', 'PCBA-2546', 'PCBA-2549', 'PCBA-2551',
'PCBA-2662', 'PCBA-2675', 'PCBA-2676', 'PCBA-411', 'PCBA-463254', 'PCBA-485281',
'PCBA-485290', 'PCBA-485294', 'PCBA-485297', 'PCBA-485313', 'PCBA-485314', 'PCBA-485341',
'PCBA-485349', 'PCBA-485353', 'PCBA-485360', 'PCBA-485364', 'PCBA-485367', 'PCBA-492947',
'PCBA-493208', 'PCBA-504327', 'PCBA-504332', 'PCBA-504333', 'PCBA-504339', 'PCBA-504444',
'PCBA-504466', 'PCBA-504467', 'PCBA-504706', 'PCBA-504842', 'PCBA-504845', 'PCBA-504847',
'PCBA-504891', 'PCBA-540276', 'PCBA-540317', 'PCBA-588342', 'PCBA-588453', 'PCBA-588456',
'PCBA-588579', 'PCBA-588590', 'PCBA-588591', 'PCBA-588795', 'PCBA-588855', 'PCBA-602179',
'PCBA-602233', 'PCBA-602310', 'PCBA-602313', 'PCBA-602332', 'PCBA-624170', 'PCBA-624171',
'PCBA-624173', 'PCBA-624202', 'PCBA-624246', 'PCBA-624287', 'PCBA-624288', 'PCBA-624291',
'PCBA-624296', 'PCBA-624297', 'PCBA-624417', 'PCBA-651635', 'PCBA-651644', 'PCBA-651768',
'PCBA-651965', 'PCBA-652025', 'PCBA-652104', 'PCBA-652105', 'PCBA-652106', 'PCBA-686970',
'PCBA-686978', 'PCBA-686979', 'PCBA-720504', 'PCBA-720532', 'PCBA-720542', 'PCBA-720551',
'PCBA-720553', 'PCBA-720579', 'PCBA-720580', 'PCBA-720707', 'PCBA-720708', 'PCBA-720709',
'PCBA-720711', 'PCBA-743255', 'PCBA-743266', 'PCBA-875', 'PCBA-881', 'PCBA-883', 'PCBA-884',
'PCBA-885', 'PCBA-887', 'PCBA-891', 'PCBA-899', 'PCBA-902', 'PCBA-903', 'PCBA-904',
'PCBA-912', 'PCBA-914', 'PCBA-915', 'PCBA-924', 'PCBA-925', 'PCBA-926', 'PCBA-927',
'PCBA-938', 'PCBA-995'],
'qm7':['u0_atom'],
'qm8':['E1-CC2', 'E2-CC2', 'f1-CC2', 'f2-CC2', 'E1-PBE0',
'E2-PBE0', 'f1-PBE0', 'f2-PBE0', 'E1-PBE0.1', 'E2-PBE0.1',
'f1-PBE0.1', 'f2-PBE0.1', 'E1-CAM', 'E2-CAM', 'f1-CAM', 'f2-CAM'],
'qm9':['A', 'B', 'C', 'mu', 'alpha', 'homo', 'lumo', 'gap', 'r2', 'zpve', 'u0', 'u298',
'h298', 'g298', 'cv', 'u0_atom', 'u298_atom', 'h298_atom', 'g298_atom'],
'covid-19':['3CL_enzymatic_activity', 'ACE2_enzymatic_activity', 'HEK293_cell_line_toxicity_',
'Human_fibroblast_toxicity', 'MERS_Pseudotyped_particle_entry',
'MERS_Pseudotyped_particle_entry_(Huh7_tox_counterscreen)',
'SARS-CoV_Pseudotyped_particle_entry',
'SARS-CoV_Pseudotyped_particle_entry_(VeroE6_tox_counterscreen)',
'SARS-CoV-2_cytopathic_effect_(CPE)',
'SARS-CoV-2_cytopathic_effect_(host_tox_counterscreen)',
'Spike-ACE2_protein-protein_interaction_(AlphaLISA)',
'Spike-ACE2_protein-protein_interaction_(TruHit_Counterscreen)',
'TMPRSS2_enzymatic_activity'],
'muv': [
"MUV-466", "MUV-548", "MUV-600", "MUV-644", "MUV-652", "MUV-689", "MUV-692", "MUV-712", "MUV-713",
"MUV-733", "MUV-737", "MUV-810", "MUV-832", "MUV-846", "MUV-852", "MUV-858", "MUV-859"
],
'toxcast': ['ACEA_T47D_80hr_Negative', 'ACEA_T47D_80hr_Positive',
'APR_HepG2_CellCycleArrest_24h_dn',
'APR_HepG2_CellCycleArrest_72h_dn', 'APR_HepG2_CellLoss_24h_dn',
'APR_HepG2_CellLoss_72h_dn', 'APR_HepG2_MicrotubuleCSK_72h_up',
'APR_HepG2_MitoMass_24h_dn', 'APR_HepG2_MitoMass_72h_dn',
'APR_HepG2_MitoMembPot_24h_dn', 'APR_HepG2_MitoMembPot_72h_dn',
'APR_HepG2_MitoticArrest_24h_up', 'APR_HepG2_MitoticArrest_72h_up',
'APR_HepG2_OxidativeStress_24h_up',
'APR_HepG2_OxidativeStress_72h_up',
'APR_HepG2_StressKinase_72h_up', 'APR_HepG2_p53Act_24h_up',
'APR_HepG2_p53Act_72h_up', 'ATG_AP_1_CIS_up', 'ATG_Ahr_CIS_up',
'ATG_BRE_CIS_up', 'ATG_CMV_CIS_up', 'ATG_CRE_CIS_up',
'ATG_DR4_LXR_CIS_dn', 'ATG_DR5_CIS_up', 'ATG_EGR_CIS_up',
'ATG_ERE_CIS_up', 'ATG_ERa_TRANS_up', 'ATG_E_Box_CIS_dn',
'ATG_HIF1a_CIS_up', 'ATG_HSE_CIS_up', 'ATG_IR1_CIS_dn',
'ATG_ISRE_CIS_dn', 'ATG_MRE_CIS_up', 'ATG_NRF2_ARE_CIS_up',
'ATG_Oct_MLP_CIS_up', 'ATG_PBREM_CIS_up', 'ATG_PPARg_TRANS_up',
'ATG_PPRE_CIS_up', 'ATG_PXRE_CIS_dn', 'ATG_PXRE_CIS_up',
'ATG_PXR_TRANS_up', 'ATG_Pax6_CIS_up', 'ATG_RORE_CIS_up',
'ATG_RXRb_TRANS_up', 'ATG_SREBP_CIS_up', 'ATG_Sp1_CIS_up',
'ATG_TCF_b_cat_CIS_dn', 'ATG_VDRE_CIS_up', 'ATG_Xbp1_CIS_up',
'ATG_p53_CIS_dn', 'BSK_3C_Eselectin_down', 'BSK_3C_HLADR_down',
'BSK_3C_ICAM1_down', 'BSK_3C_IL8_down', 'BSK_3C_MCP1_down',
'BSK_3C_MIG_down', 'BSK_3C_Proliferation_down', 'BSK_3C_SRB_down',
'BSK_3C_Thrombomodulin_up', 'BSK_3C_TissueFactor_down',
'BSK_3C_VCAM1_down', 'BSK_3C_Vis_down', 'BSK_3C_uPAR_down',
'BSK_4H_Eotaxin3_down', 'BSK_4H_MCP1_down',
'BSK_4H_Pselectin_down', 'BSK_4H_SRB_down', 'BSK_4H_VCAM1_down',
'BSK_4H_VEGFRII_down', 'BSK_4H_uPAR_down', 'BSK_BE3C_HLADR_down',
'BSK_BE3C_IL1a_down', 'BSK_BE3C_IP10_down', 'BSK_BE3C_MIG_down',
'BSK_BE3C_MMP1_down', 'BSK_BE3C_MMP1_up', 'BSK_BE3C_PAI1_down',
'BSK_BE3C_SRB_down', 'BSK_BE3C_TGFb1_down', 'BSK_BE3C_tPA_down',
'BSK_BE3C_uPAR_down', 'BSK_BE3C_uPA_down', 'BSK_CASM3C_HLADR_down',
'BSK_CASM3C_IL6_down', 'BSK_CASM3C_IL8_down',
'BSK_CASM3C_LDLR_down', 'BSK_CASM3C_MCP1_down',
'BSK_CASM3C_MCSF_down', 'BSK_CASM3C_MIG_down',
'BSK_CASM3C_Proliferation_down', 'BSK_CASM3C_SAA_down',
'BSK_CASM3C_SRB_down', 'BSK_CASM3C_Thrombomodulin_up',
'BSK_CASM3C_TissueFactor_down', 'BSK_CASM3C_VCAM1_down',
'BSK_CASM3C_uPAR_down', 'BSK_KF3CT_ICAM1_down',
'BSK_KF3CT_IL1a_down', 'BSK_KF3CT_IP10_down',
'BSK_KF3CT_MCP1_down', 'BSK_KF3CT_MMP9_down', 'BSK_KF3CT_SRB_down',
'BSK_KF3CT_TGFb1_down', 'BSK_KF3CT_TIMP2_down',
'BSK_KF3CT_uPA_down', 'BSK_LPS_CD40_down',
'BSK_LPS_Eselectin_down', 'BSK_LPS_IL1a_down', 'BSK_LPS_IL8_down',
'BSK_LPS_MCP1_down', 'BSK_LPS_MCSF_down', 'BSK_LPS_PGE2_down',
'BSK_LPS_SRB_down', 'BSK_LPS_TNFa_down',
'BSK_LPS_TissueFactor_down', 'BSK_LPS_VCAM1_down',
'BSK_SAg_CD38_down', 'BSK_SAg_CD40_down', 'BSK_SAg_CD69_down',
'BSK_SAg_Eselectin_down', 'BSK_SAg_IL8_down', 'BSK_SAg_MCP1_down',
'BSK_SAg_MIG_down', 'BSK_SAg_PBMCCytotoxicity_down',
'BSK_SAg_Proliferation_down', 'BSK_SAg_SRB_down',
'BSK_hDFCGF_CollagenIII_down', 'BSK_hDFCGF_IL8_down',
'BSK_hDFCGF_IP10_down', 'BSK_hDFCGF_MCSF_down',
'BSK_hDFCGF_MIG_down', 'BSK_hDFCGF_MMP1_down',
'BSK_hDFCGF_PAI1_down', 'BSK_hDFCGF_Proliferation_down',
'BSK_hDFCGF_SRB_down', 'BSK_hDFCGF_TIMP1_down',
'BSK_hDFCGF_VCAM1_down', 'CEETOX_H295R_11DCORT_dn',
'CEETOX_H295R_ANDR_dn', 'CEETOX_H295R_CORTISOL_dn',
'CEETOX_H295R_ESTRONE_dn', 'CEETOX_H295R_ESTRONE_up',
'NHEERL_ZF_144hpf_TERATOSCORE_up', 'NVS_NR_bER', 'NVS_NR_hER',
'NVS_NR_hPPARg', 'NVS_NR_hPXR', 'NVS_NR_mERa', 'OT_AR_ARSRC1_0960',
'OT_ER_ERaERb_0480', 'OT_ER_ERaERb_1440', 'OT_ER_ERbERb_0480',
'OT_ER_ERbERb_1440', 'OT_ERa_EREGFP_0120', 'OT_FXR_FXRSRC1_0480',
'OT_NURR1_NURR1RXRa_0480', 'TOX21_ARE_BLA_agonist_ratio',
'TOX21_AR_BLA_Antagonist_ratio', 'TOX21_AR_LUC_MDAKB2_Antagonist',
'TOX21_AR_LUC_MDAKB2_Antagonist2', 'TOX21_AhR_LUC_Agonist',
'TOX21_Aromatase_Inhibition', 'TOX21_ERa_BLA_Antagonist_ratio',
'TOX21_ERa_LUC_BG1_Agonist', 'TOX21_FXR_BLA_antagonist_ratio',
'TOX21_MMP_ratio_down', 'TOX21_TR_LUC_GH3_Antagonist',
'TOX21_p53_BLA_p1_ratio', 'TOX21_p53_BLA_p2_ch2',
'TOX21_p53_BLA_p2_ratio', 'TOX21_p53_BLA_p2_viability',
'TOX21_p53_BLA_p3_ratio', 'TOX21_p53_BLA_p4_ratio',
'TOX21_p53_BLA_p5_ratio', 'Tanguay_ZF_120hpf_AXIS_up',
'Tanguay_ZF_120hpf_ActivityScore', 'Tanguay_ZF_120hpf_JAW_up',
'Tanguay_ZF_120hpf_MORT_up', 'Tanguay_ZF_120hpf_PE_up',
'Tanguay_ZF_120hpf_SNOU_up', 'Tanguay_ZF_120hpf_YSE_up']}
def run_a_train_epoch(model, data_loader, loss_func, optimizer, args):
model.train()
train_metric = Meter() # for each epoch
for batch_id, batch_data in enumerate(data_loader):
smiles, bg, labels, masks = batch_data
atom_feats = bg.ndata.pop('h')
bond_feats = bg.edata.pop('e')
# transfer the data to device(cpu or cuda)
labels, masks, atom_feats, bond_feats = labels.to(args['device']), masks.to(args['device']), atom_feats.to(
args['device']), bond_feats.to(args['device'])
outputs = model(bg, atom_feats) if args['model'] in ['gcn', 'gat'] else model(bg, atom_feats,
bond_feats)
loss = (loss_func(outputs, labels) * (masks != 0).float()).mean()
optimizer.zero_grad()
loss.backward()
optimizer.step()
outputs.cpu()
labels.cpu()
masks.cpu()
atom_feats.cpu()
bond_feats.cpu()
loss.cpu()
torch.cuda.empty_cache()
train_metric.update(outputs, labels, masks)
if args['metric'] == 'rmse':
rmse_score = np.mean(train_metric.compute_metric(args['metric'])) # in case of multi-tasks
mae_score = np.mean(train_metric.compute_metric('mae')) # in case of multi-tasks
r2_score = np.mean(train_metric.compute_metric('r2')) # in case of multi-tasks
return {'rmse': rmse_score, 'mae': mae_score, 'r2': r2_score}
else:
roc_score = np.mean(train_metric.compute_metric(args['metric'])) # in case of multi-tasks
prc_score = np.mean(train_metric.compute_metric('prc_auc')) # in case of multi-tasks
return {'roc_auc': roc_score, 'prc_auc': prc_score}
def run_an_eval_epoch(model, data_loader, args):
model.eval()
eval_metric = Meter()
with torch.no_grad():
for batch_id, batch_data in enumerate(data_loader):
smiles, bg, labels, masks = batch_data
atom_feats = bg.ndata.pop('h')
bond_feats = bg.edata.pop('e')
# transfer the data to device(cpu or cuda)
labels, masks, atom_feats, bond_feats = labels.to(args['device']), masks.to(args['device']), atom_feats.to(
args['device']), bond_feats.to(args['device'])
outputs = model(bg, atom_feats) if args['model'] in ['gcn', 'gat'] else model(bg, atom_feats,
bond_feats)
outputs.cpu()
labels.cpu()
masks.cpu()
atom_feats.cpu()
bond_feats.cpu()
# loss.cpu()
torch.cuda.empty_cache()
eval_metric.update(outputs, labels, masks)
if args['metric'] == 'rmse':
rmse_score = np.mean(eval_metric.compute_metric(args['metric'])) # in case of multi-tasks
mae_score = np.mean(eval_metric.compute_metric('mae')) # in case of multi-tasks
r2_score = np.mean(eval_metric.compute_metric('r2')) # in case of multi-tasks
return {'rmse': rmse_score, 'mae': mae_score, 'r2': r2_score}
else:
roc_score = np.mean(eval_metric.compute_metric(args['metric'])) # in case of multi-tasks
prc_score = np.mean(eval_metric.compute_metric('prc_auc')) # in case of multi-tasks
return {'roc_auc': roc_score, 'prc_auc': prc_score}
def get_pos_weight(my_dataset):
num_pos = F.sum(my_dataset.labels, dim=0)
num_indices = F.tensor(len(my_dataset.labels))
return (num_indices - num_pos) / num_pos
def all_one_zeros(series):
if (len(series.dropna().unique()) == 2):
flag = False
else:
flag = True
return flag
dataset_label = args.data_label
file_name = './dataset/'+dataset_label+'_moe_pubsubfp.csv'
#dataset_label = file_name.split('/')[-1].split('_')[0] # dataset_label = 'esol'
if dataset_label=='esol' or dataset_label== 'freesolv' or dataset_label== 'lipop':
task_type='reg'
else:
task_type='cla'
sm_num = 20
data_label = args.data_label
dataset_label = data_label
file_name='./dataset/dataset_used_for_modeling/'+dataset_label+'.csv'
# file_name = './sm-dataset/'+str(sm_num)+'smoothed_'+dataset_label+'_for_gnn.csv'
#file_name='./sm-dataset/esol.csv'
model_name = args.model_name # 'gcn' or 'mpnn' or 'gat' or 'attentivefp'
task_type ='cla' # 'cla' or 'reg'
CUDA=str(args.device)
device = torch.device('cuda:'+CUDA if torch.cuda.is_available() else 'cpu')
my_df = pd.read_csv(file_name)
AtomFeaturizer = AttentiveFPAtomFeaturizer
BondFeaturizer = AttentiveFPBondFeaturizer
epochs = args.epochs
batch_size = args.batch_size
patience = args.patience
opt_iters = args.opt_iters
repetitions = args.repetitions
num_workers = 0
args = {'device': device, 'task': data_label, 'metric': 'roc_auc' if task_type == 'cla' else 'rmse', 'model': model_name}
tasks = tasks_dic[args['task']]
Hspace = {'gcn': dict(l2=hp.choice('l2', [0, 10 ** -8, 10 ** -6, 10 ** -4]),
lr=hp.choice('lr', [10 ** -2.5, 10 ** -3.5, 10 ** -1.5]),
gcn_hidden_feats=hp.choice('gcn_hidden_feats',
[[128, 128], [256, 256], [128, 64], [256, 128]]),
classifier_hidden_feats=hp.choice('classifier_hidden_feats', [128, 64, 256])),
'mpnn': dict(l2=hp.choice('l2', [0, 10 ** -8, 10 ** -6, 10 ** -4]),
lr=hp.choice('lr', [10 ** -2.5, 10 ** -3.5, 10 ** -1.5]),
node_hidden_dim=hp.choice('node_hidden_dim', [64, 32, 16]),
edge_hidden_dim=hp.choice('edge_hidden_dim', [64, 32, 16]),
num_layer_set2set=hp.choice('num_layer_set2set', [2, 3, 4])),
'gat': dict(l2=hp.choice('l2', [0, 10 ** -8, 10 ** -6, 10 ** -4]),
lr=hp.choice('lr', [10 ** -2.5, 10 ** -3.5, 10 ** -1.5]),
gat_hidden_feats=hp.choice('gat_hidden_feats',
[[128, 128], [256, 256], [128, 64], [256, 128]]),
num_heads=hp.choice('num_heads', [[2, 2], [3, 3], [4, 4], [4, 3], [3, 2]]),
classifier_hidden_feats=hp.choice('classifier_hidden_feats', [128, 64, 256])),
'attentivefp': dict(l2=hp.choice('l2', [0, 10 ** -8, 10 ** -6, 10 ** -4]),
lr=hp.choice('lr', [10 ** -2.5, 10 ** -3.5, 10 ** -1.5]),
num_layers=hp.choice('num_layers', [2, 3, 4, 5, 6]),
num_timesteps=hp.choice('num_timesteps', [1, 2, 3, 4, 5]),
dropout=hp.choice('dropout', [0, 0.1, 0.3, 0.5]),
graph_feat_size=hp.choice('graph_feat_size', [50, 100, 200, 300]))}
hyper_space = Hspace[args['model']]
# get the df and generate graph, attention for graph generation for some bad smiles
# my_df.iloc[:, 0:-1], except with 'group'
my_dataset: MoleculeCSVDataset = csv_dataset.MoleculeCSVDataset(my_df.iloc[:, 0:-1], smiles_to_bigraph, AtomFeaturizer,
BondFeaturizer, 'cano_smiles',
file_name.replace('.csv', '.bin'))
if task_type == 'cla':
pos_weight = get_pos_weight(my_dataset)
else:
pos_weight = None
# get the training, validation, and test sets
dataseta=pd.read_csv(file_name)
tr_indx = my_df[dataseta.group == 'train'].index
val_indx = my_df[dataseta.group == 'valid'].index
te_indx = my_df[dataseta.group == 'test'].index
# train_set, val_set, test_set = Subset(my_dataset, tr_indx), Subset(my_dataset, val_indx), Subset(my_dataset, te_indx)
train_loader = DataLoader(Subset(my_dataset, tr_indx), batch_size=batch_size, shuffle=True,
collate_fn=collate_molgraphs, num_workers=num_workers)
val_loader = DataLoader(Subset(my_dataset, val_indx), batch_size=batch_size, shuffle=True,
collate_fn=collate_molgraphs, num_workers=num_workers)
test_loader = DataLoader(Subset(my_dataset, te_indx), batch_size=batch_size, shuffle=True,
collate_fn=collate_molgraphs, num_workers=num_workers)
# enumerate(train_loader)
# print(train_loader)
def hyper_opt(hyper_paras):
# get the model instance
if model_name == 'gcn':
my_model = GCNClassifier(in_feats=AtomFeaturizer.feat_size('h'),
gcn_hidden_feats=hyper_paras['gcn_hidden_feats'],
n_tasks=len(tasks), classifier_hidden_feats=hyper_paras['classifier_hidden_feats'])
model_file_name = './saved_model/%s_%s_%s_%.6f_%s_%s.pth' % (args['model'], args['task'],
hyper_paras['l2'], hyper_paras['lr'],
hyper_paras['gcn_hidden_feats'],
hyper_paras['classifier_hidden_feats'])
elif model_name == 'mpnn':
my_model = MPNNModel(node_input_dim=AtomFeaturizer.feat_size('h'), edge_input_dim=BondFeaturizer.feat_size('e'),
output_dim=len(tasks), node_hidden_dim=hyper_paras['node_hidden_dim'],
edge_hidden_dim=hyper_paras['edge_hidden_dim'],
num_layer_set2set=hyper_paras['num_layer_set2set'])
model_file_name = './saved_model/%s_%s_%s_%.6f_%s_%s_%s.pth' % (args['model'], args['task'],
hyper_paras['l2'], hyper_paras['lr'],
hyper_paras['node_hidden_dim'],
hyper_paras['edge_hidden_dim'],
hyper_paras['num_layer_set2set'])
elif model_name == 'attentivefp':
my_model = AttentiveFP(node_feat_size=AtomFeaturizer.feat_size('h'),
edge_feat_size=BondFeaturizer.feat_size('e'),
num_layers=hyper_paras['num_layers'], num_timesteps=hyper_paras['num_timesteps'],
graph_feat_size=hyper_paras['graph_feat_size'], output_size=len(tasks),
dropout=hyper_paras['dropout'])
model_file_name = './saved_model/%s_%s_%s_%.6f_%s_%s_%s_%s.pth' % (args['model'], args['task'],
hyper_paras['l2'], hyper_paras['lr'],
hyper_paras['num_layers'],
hyper_paras['num_timesteps'],
hyper_paras['graph_feat_size'],
hyper_paras['dropout'])
else:
my_model = GATClassifier(in_feats=AtomFeaturizer.feat_size('h'),
gat_hidden_feats=hyper_paras['gat_hidden_feats'],
num_heads=hyper_paras['num_heads'], n_tasks=len(tasks),
classifier_hidden_feats=hyper_paras['classifier_hidden_feats'])
model_file_name = './saved_model/%s_%s_%s_%.6f_%s_%s_%s.pth' % (args['model'], args['task'],
hyper_paras['l2'], hyper_paras['lr'],
hyper_paras['gat_hidden_feats'],
hyper_paras['num_heads'],
hyper_paras['classifier_hidden_feats'])
optimizer = torch.optim.Adam(my_model.parameters(), lr=hyper_paras['lr'], weight_decay=hyper_paras['l2'])
if task_type == 'reg':
loss_func = MSELoss(reduction='none')
stopper = EarlyStopping(mode='lower', patience=patience, filename=model_file_name)
else:
loss_func = BCEWithLogitsLoss(reduction='none', pos_weight=pos_weight.to(args['device']))
stopper = EarlyStopping(mode='higher', patience=patience, filename=model_file_name)
my_model.to(device)
for j in range(epochs):
# training
run_a_train_epoch(my_model, train_loader, loss_func, optimizer, args)
# early stopping
val_scores = run_an_eval_epoch(my_model, val_loader, args)
early_stop = stopper.step(val_scores[args['metric']], my_model)
if early_stop:
break
stopper.load_checkpoint(my_model)
tr_scores = run_an_eval_epoch(my_model, train_loader, args)
val_scores = run_an_eval_epoch(my_model, val_loader, args)
te_scores = run_an_eval_epoch(my_model, test_loader, args)
print({'train': tr_scores, 'valid': val_scores, 'test': te_scores})
feedback = val_scores[args['metric']] if task_type == 'reg' else (1 - val_scores[args['metric']])
my_model.cpu()
torch.cuda.empty_cache()
gc.collect()
return feedback
# start hyper-parameters optimization
print('******hyper-parameter optimization is starting now******')
trials = Trials()
opt_res = fmin(hyper_opt, hyper_space, algo=tpe.suggest, max_evals=opt_iters, trials=trials)
# hyper-parameters optimization is over
print('******hyper-parameter optimization is over******')
print('the best hyper-parameters settings for ' + args['task'] + ' ' + args['model'] + ' are: ', opt_res)
# construct the model based on the optimal hyper-parameters
l2_ls = [0, 10 ** -8, 10 ** -6, 10 ** -4]
lr_ls = [10 ** -2.5, 10 ** -3.5, 10 ** -1.5]
hidden_feats_ls = [(128, 128), (256, 256), (128, 64), (256, 128)]
classifier_hidden_feats_ls = [128, 64, 256]
node_hidden_dim_ls = [64, 32, 16]
edge_hidden_dim_ls = [64, 32, 16]
num_layer_set2set_ls = [2, 3, 4]
num_heads_ls = [(2, 2), (3, 3), (4, 4), (4, 3), (3, 2)]
num_layers_ls = [2, 3, 4, 5, 6]
num_timesteps_ls = [1, 2, 3, 4, 5]
graph_feat_size_ls = [50, 100, 200, 300]
dropout_ls = [0, 0.1, 0.3, 0.5]
# if model_name == 'gcn':
# best_model = GCNClassifier(in_feats=AtomFeaturizer.feat_size('h'),
# gcn_hidden_feats=hidden_feats_ls[opt_res['gcn_hidden_feats']],
# n_tasks=len(tasks),
# classifier_hidden_feats=classifier_hidden_feats_ls[opt_res['classifier_hidden_feats']])
# best_model_file = './saved_model/%s_%s_%s_%.6f_%s_%s.pth' % (args['model'], args['task'],
# l2_ls[opt_res['l2']], lr_ls[opt_res['lr']],
# hidden_feats_ls[opt_res['gcn_hidden_feats']],
# classifier_hidden_feats_ls[
# opt_res['classifier_hidden_feats']])
# elif model_name == 'mpnn':
# best_model = MPNNModel(node_input_dim=AtomFeaturizer.feat_size('h'), edge_input_dim=BondFeaturizer.feat_size('e'),
# output_dim=len(tasks), node_hidden_dim=node_hidden_dim_ls[opt_res['node_hidden_dim']],
# edge_hidden_dim=edge_hidden_dim_ls[opt_res['edge_hidden_dim']],
# num_layer_set2set=num_layer_set2set_ls[opt_res['num_layer_set2set']])
# best_model_file = './saved_model/%s_%s_%s_%.6f_%s_%s_%s.pth' % (args['model'], args['task'],
# l2_ls[opt_res['l2']], lr_ls[opt_res['lr']],
# node_hidden_dim_ls[opt_res['node_hidden_dim']],
# edge_hidden_dim_ls[opt_res['edge_hidden_dim']],
# num_layer_set2set_ls[opt_res['num_layer_set2set']])
# elif model_name == 'attentivefp':
# best_model = AttentiveFP(node_feat_size=AtomFeaturizer.feat_size('h'), edge_feat_size=BondFeaturizer.feat_size('e'),
# num_layers=num_layers_ls[opt_res['num_layers']],
# num_timesteps=num_timesteps_ls[opt_res['num_timesteps']],
# graph_feat_size=graph_feat_size_ls[opt_res['graph_feat_size']], output_size=len(tasks),
# dropout=dropout_ls[opt_res['dropout']])
# best_model_file = './saved_model/%s_%s_%s_%.6f_%s_%s_%s_%s.pth' % (args['model'], args['task'],
# l2_ls[opt_res['l2']], lr_ls[opt_res['lr']],
# num_layers_ls[opt_res['num_layers']],
# num_timesteps_ls[opt_res['num_timesteps']],
# graph_feat_size_ls[opt_res['graph_feat_size']],
# dropout_ls[opt_res['dropout']])
#
# else:
# best_model = GATClassifier(in_feats=AtomFeaturizer.feat_size('h'),
# gat_hidden_feats=hidden_feats_ls[opt_res['gat_hidden_feats']],
# num_heads=num_heads_ls[opt_res['num_heads']], n_tasks=len(tasks),
# classifier_hidden_feats=classifier_hidden_feats_ls[opt_res['classifier_hidden_feats']])
# best_model_file = './saved_model/%s_%s_%s_%.6f_%s_%s_%s.pth' % (args['model'], args['task'],
# l2_ls[opt_res['l2']], lr_ls[opt_res['lr']],
# hidden_feats_ls[opt_res['gat_hidden_feats']],
# num_heads_ls[opt_res['num_heads']],
# classifier_hidden_feats_ls[
# opt_res['classifier_hidden_feats']])
# print(best_model_file)
# best_model.load_state_dict(torch.load(best_model_file, map_location=device)['model_state_dict'])
# best_model.to(device)
# tr_scores = run_an_eval_epoch(best_model, train_loader, args)
# val_scores = run_an_eval_epoch(best_model, val_loader, args)
# te_scores = run_an_eval_epoch(best_model, test_loader, args)
# print('training set:', tr_scores)
# print('validation set:', val_scores)
# print('test set:', te_scores)
# 50 repetitions based on the best model
tr_res = []
val_res = []
te_res = []
# regenerate the graphs
if args['task'] == 'muv' or args['task'] == 'toxcast':
file_name = './dataset/' + args['task'] + '_new.csv'
my_df = pd.read_csv(file_name)
my_dataset = csv_dataset.MoleculeCSVDataset(my_df, smiles_to_bigraph, AtomFeaturizer, BondFeaturizer,
'cano_smiles', file_name.replace('.csv', '.bin'))
else:
my_df.drop(columns=['group'], inplace=True)
for split in range(1, repetitions + 1):
# splitting the data set for classification
if args['metric'] == 'roc_auc':
seed = split
while True:
training_data, data_te = train_test_split(my_df, test_size=0.1, random_state=seed)
# the training set was further splitted into the training set and validation set
data_tr, data_va = train_test_split(training_data, test_size=0.1, random_state=seed)
if np.any(data_tr[tasks].apply(all_one_zeros)) or \
np.any(data_va[tasks].apply(all_one_zeros)) or \
np.any(data_te[tasks].apply(all_one_zeros)):
print('\ninvalid random seed {} due to one class presented in the splitted {} sets...'.format(seed,
args[
'task']))
print('Changing to another random seed...\n')
seed = np.random.randint(50, 999999)
else:
print('random seed used in repetition {} is {}'.format(split, seed))
break
else:
training_data, data_te = train_test_split(my_df, test_size=0.1, random_state=split)
# the training set was further splitted into the training set and validation set
data_tr, data_va = train_test_split(training_data, test_size=0.1, random_state=split)
tr_indx, val_indx, te_indx = data_tr.index, data_va.index, data_te.index
train_loader = DataLoader(Subset(my_dataset, tr_indx), batch_size=batch_size, shuffle=True,
collate_fn=collate_molgraphs, num_workers=num_workers)
val_loader = DataLoader(Subset(my_dataset, val_indx), batch_size=batch_size, shuffle=True,
collate_fn=collate_molgraphs, num_workers=num_workers)
test_loader = DataLoader(Subset(my_dataset, te_indx), batch_size=batch_size, shuffle=True,
collate_fn=collate_molgraphs, num_workers=num_workers)
best_model_file = './saved_model/%s_%s_bst_%s.pth' % (args['model'], args['task'], split)
if model_name == 'gcn':
best_model = GCNClassifier(in_feats=AtomFeaturizer.feat_size('h'),
gcn_hidden_feats=hidden_feats_ls[opt_res['gcn_hidden_feats']],
n_tasks=len(tasks),
classifier_hidden_feats=classifier_hidden_feats_ls[
opt_res['classifier_hidden_feats']])
elif model_name == 'gat':
best_model = GATClassifier(in_feats=AtomFeaturizer.feat_size('h'),
gat_hidden_feats=hidden_feats_ls[opt_res['gat_hidden_feats']],
num_heads=num_heads_ls[opt_res['num_heads']], n_tasks=len(tasks),
classifier_hidden_feats=classifier_hidden_feats_ls[
opt_res['classifier_hidden_feats']])
elif model_name == 'attentivefp':
best_model = AttentiveFP(node_feat_size=AtomFeaturizer.feat_size('h'),
edge_feat_size=BondFeaturizer.feat_size('e'),
num_layers=num_layers_ls[opt_res['num_layers']],
num_timesteps=num_timesteps_ls[opt_res['num_timesteps']],
graph_feat_size=graph_feat_size_ls[opt_res['graph_feat_size']], output_size=len(tasks),
dropout=dropout_ls[opt_res['dropout']])
else:
best_model = MPNNModel(node_input_dim=AtomFeaturizer.feat_size('h'),
edge_input_dim=BondFeaturizer.feat_size('e'),
output_dim=len(tasks), node_hidden_dim=node_hidden_dim_ls[opt_res['node_hidden_dim']],
edge_hidden_dim=edge_hidden_dim_ls[opt_res['edge_hidden_dim']],
num_layer_set2set=num_layer_set2set_ls[opt_res['num_layer_set2set']])
best_optimizer = torch.optim.Adam(best_model.parameters(), lr=lr_ls[opt_res['lr']],
weight_decay=l2_ls[opt_res['l2']])
if task_type == 'reg':
loss_func = MSELoss(reduction='none')
stopper = EarlyStopping(mode='lower', patience=patience, filename=best_model_file)
else:
loss_func = BCEWithLogitsLoss(reduction='none', pos_weight=pos_weight.to(args['device']))
stopper = EarlyStopping(mode='higher', patience=patience, filename=best_model_file)
best_model.to(device)
for j in range(epochs):
# training
st = time.time()
run_a_train_epoch(best_model, train_loader, loss_func, best_optimizer, args)
end = time.time()
# early stopping
train_scores = run_an_eval_epoch(best_model, train_loader, args)
val_scores = run_an_eval_epoch(best_model, val_loader, args)
early_stop = stopper.step(val_scores[args['metric']], best_model)
if early_stop:
break
print(
'task:{} repetition {:d}/{:d} epoch {:d}/{:d}, training {} {:.3f}, validation {} {:.3f}, time:{:.3f}S'.format(
args['task'], split, repetitions, j + 1, epochs, args['metric'], train_scores[args['metric']],
args['metric'],
val_scores[args['metric']], end - st))
stopper.load_checkpoint(best_model)
tr_scores = run_an_eval_epoch(best_model, train_loader, args)
val_scores = run_an_eval_epoch(best_model, val_loader, args)
te_scores = run_an_eval_epoch(best_model, test_loader, args)
tr_res.append(tr_scores);
val_res.append(val_scores);
te_res.append(te_scores)
if task_type == 'reg':
cols = ['rmse', 'mae', 'r2']
else:
cols = ['roc_auc', 'prc_auc']
tr = [list(item.values()) for item in tr_res]
val = [list(item.values()) for item in val_res]
te = [list(item.values()) for item in te_res]
tr_pd = pd.DataFrame(tr, columns=cols)
tr_pd['split'] = range(1, repetitions + 1)
tr_pd['set'] = 'train'
val_pd = pd.DataFrame(val, columns=cols)
val_pd['split'] = range(1, repetitions + 1)
val_pd['set'] = 'validation'
te_pd = pd.DataFrame(te, columns=cols)
te_pd['split'] = range(1, repetitions + 1)
te_pd['set'] = 'test'
sta_pd = pd.concat([tr_pd, val_pd, te_pd], ignore_index=True)
sta_pd['model'] = args['model']
sta_pd['dataset'] = args['task']
sta_pd.to_csv('./stat_res/{}_{}_statistical_results_split50.csv'.format(args['task'], args['model']), index=False)
print('training mean:', np.mean(tr, axis=0), 'training std:', np.std(tr, axis=0))
print('validation mean:', np.mean(val, axis=0), 'validation std:', np.std(val, axis=0))
print('testing mean:', np.mean(te, axis=0), 'test std:', np.std(te, axis=0))
end_time = time.time()
print('the total elapsed time is', end_time - start_time, 'S')