M[Formula: see text]DGAT: Multi-view multi-scale dynamic graph attention network(GAT) based prediction of Parkinson's disease(PD) progression using whole-blood RNA sequencing data.
The 2 matches
- [1] § Multi-view multi-scale dynamic graph attention network(M DGAT) › Count sketch bilinear (CSB) fusion strategy ↔ model.py, lines 39–171 · score 0.54 · Bilinear Pooling, confidence, loss, GRU, training, model
- [2] § Multi-view multi-scale dynamic graph attention network(M DGAT) › Dynamic GAT backbone ↔ model.py, lines 39–171 · score 0.50 · cross entropy, GRU, concatenated, GAT, layer, linearly
Paper
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The authors' code
Python · 386 lines · 14 KB · no license · 2 matches
- import torch.nn.functional as F
- from torch.optim import Adam
- from torch_geometric.nn import global_mean_pool as gap
- from torch.nn import LayerNorm, Parameter
- from torch.nn import init, Parameter
- import torch.optim.lr_scheduler as lr_scheduler
- from typing import Dict
- from compact_bilinear_pooling import CountSketch, CompactBilinearPooling
- import unittest
- import torch
- from utils import *
- import numpy as np
- import torch
- import torch.nn as nn
- import torch.optim as optim
- import torch.nn.functional as F
- from torch.nn.utils import weight_norm
- def xavier_init(m):
- if type(m) == nn.Linear:
- nn.init.xavier_normal_(m.weight)
- if m.bias is not None:
- m.bias.data.fill_(0.0)
- class LinearLayer(nn.Module):
- def __init__(self, in_dim, out_dim):
- super().__init__()
- self.clf = nn.Sequential(nn.Linear(in_dim, out_dim))
- self.clf.apply(xavier_init)
- def forward(self, x):
- x = self.clf(x)
- return x
- class Fusion(nn.Module):
- def __init__(self, num_class, num_views, hidden_dim, dropout, in_dim):
- super().__init__()
- self.gat1 = GAT(dropout=0.2, alpha=0.6, dim=1000)
- self.TCN = TCN(input_size=1000, output_size=1000, num_channels=[64], kernel_size=3, dropout=0.1)
- # self.rnn =nn.RNN(input_size=hidden_dim[0], hidden_size=hidden_dim[1], num_layers=1, batch_first=True)
- # self.rnn = nn.RNN(input_size=64, hidden_size=64, num_layers=1, batch_first=True)
- self.gru = nn.GRU(input_size=64, hidden_size=64, num_layers=1 , batch_first=True)
- self.mcb = CompactBilinearPooling(1000, 64, 1064).cuda()
- # self.fc_gru = nn.Linear(self.hidden_dim, num_class)
- # self.rnn = nn.RNN(input_size=your_input_size, hidden_size=rnn_hidden_dim, batch_first=True)
- # self.fc_rnn = nn.Linear(rnn_hidden_dim, num_class)
- # self.views = len(in_dim)
- self.classes = num_class
- self.dropout = dropout
- self.hidden_dim = hidden_dim
- self.FeatureInforEncoder1 = nn.ModuleList(
- [LinearLayer(in_dim[0], in_dim[0]) ])
- self.TCPConfidenceLayer1 = nn.ModuleList([LinearLayer(hidden_dim[0], 1) ])
- self.FeatureInforEncoder2 = nn.ModuleList(
- [LinearLayer(in_dim[1], in_dim[1])])
- self.TCPConfidenceLayer2 = nn.ModuleList([LinearLayer(hidden_dim[1], 1)])
- self.TCPClassifierLayer1 = nn.ModuleList([LinearLayer(hidden_dim[0], num_class) ])
- self.TCPClassifierLayer2 = nn.ModuleList([LinearLayer(hidden_dim[1], num_class) ])
- self.MMClasifier1 = []
- self.MMClasifier1.append(LinearLayer(hidden_dim[0], num_class))
- self.MMClasifier1 = nn.Sequential(*self.MMClasifier1)
- self.MMClasifier2 = []
- self.MMClasifier2.append(LinearLayer(hidden_dim[1], num_class))
- self.MMClasifier2 = nn.Sequential(*self.MMClasifier2)
- def forward(self ,omic1, adj1,tcn_data=None, label=None, tcn_infer=False,infer=False):
- if tcn_infer:
- tcn_fe = self.TCN(tcn_data.transpose(0, 1))
- omic1=tcn_fe
- omic1=omic1.unsqueeze(-1)
- tcn_out=omic1
- output1, gat_output1 = self.gat1(tcn_out, adj1)
- tcn_out=tcn_out.squeeze(-1)
- else:
- output1, gat_output1 = self.gat1(omic1, adj1)
- rnn_output, rnn_hidden = self.gru(output1)
- if tcn_infer:
- tcn_out = tcn_out.squeeze(-1)
- concatenated_tensor = torch.cat((tcn_out, rnn_output), dim=1)
- # self.mcb = CompactBilinearPooling(1000, 64, 1064).cuda()
- # concatenated_tensor = self.mcb(tcn_out,rnn_output)
- feature = dict()
- feature[0]=concatenated_tensor
- criterion = torch.nn.CrossEntropyLoss(reduction='none')
- loss_function = nn.CrossEntropyLoss()
- #
- FeatureInfo, TCPLogit, TCPConfidence = dict(), dict(), dict()
- feature[0] = F.relu(feature[0])
- feature[0] = F.dropout(feature[0], self.dropout, training=self.training)
- # TCPLogit[0] = self.TCPClassifierLayer2[0](feature[0])
- # TCPConfidence[0] = self.TCPConfidenceLayer2[0](feature[0])
- # feature[0] = feature[0] * TCPConfidence[0]
- MMfeature=feature[0]
- MMlogit = self.MMClasifier2(MMfeature)
- else:
- feature = dict()
- feature[0] = rnn_output
- criterion = torch.nn.CrossEntropyLoss(reduction='none')
- loss_function = nn.CrossEntropyLoss()
- #
- FeatureInfo, TCPLogit, TCPConfidence = dict(), dict(), dict()
- feature[0] = F.relu(feature[0])
- feature[0] = F.dropout(feature[0], self.dropout, training=self.training)
- # TCPLogit[0] = self.TCPClassifierLayer1[0](feature[0])
- # TCPConfidence[0] = self.TCPConfidenceLayer1[0](feature[0])
- # feature[0] = feature[0] * TCPConfidence[0]
- MMfeature = feature[0]
- MMlogit = self.MMClasifier1(MMfeature)
- if infer:
- return MMlogit
- MMLoss = torch.mean(criterion(MMlogit, label))
- loss_gat = loss_function(output1,label)
- gat_loss = dict()
- gat_loss[0] = loss_gat
- # for view in range(self.views):
- # MMLoss = MMLoss + gat_loss[view]
- # pred = F.softmax(TCPLogit[view], dim=1)
- # p_target = torch.gather(input=pred, dim=1, index=label.unsqueeze(dim=1)).view(-1)
- # confidence_loss = torch.mean(
- # F.mse_loss(TCPConfidence[view].view(-1), p_target) + criterion(TCPLogit[view], label))
- # MMLoss = MMLoss + confidence_loss
- # return MMLoss, MMlogit, gat_output1, output1
- MMLoss = MMLoss + gat_loss[0]
- # pred = F.softmax(TCPLogit[0], dim=1)
- # p_target = torch.gather(input=pred, dim=1, index=label.unsqueeze(dim=1)).view(-1)
- # confidence_loss = torch.mean(
- # F.mse_loss(TCPConfidence[0].view(-1), p_target) + criterion(TCPLogit[0], label))
- # MMLoss = MMLoss + confidence_loss
- return MMLoss, MMlogit, gat_output1, output1
- def infer(self, omic1, adj1,tcn_data,tcn_infer=False): #omic1, adj1,tcn_data=None, label=None, infer=False,tcn_infer=False
- MMlogit = self.forward(omic1, adj1, tcn_data, tcn_infer=tcn_infer,infer=True)
- return MMlogit
- class GAT(nn.Module):
- def __init__(self, dropout, alpha, dim):
- super(GAT, self).__init__()
- self.dropout = dropout
- self.act = define_act_layer(act_type='none')
- self.dim = dim
- self.nhids = [8, 16, 12]
- self.nheads = [4, 3, 4]
- self.fc_dim = [1000, 128, 64, 32]
- self.attentions1 = [GraphAttentionLayer(
- 1, self.nhids[0], dropout=dropout, alpha=alpha, concat=True) for _ in range(self.nheads[0])]
- for i, attention1 in enumerate(self.attentions1):
- self.add_module('attention1_{}'.format(i), attention1)
- self.attentions2 = [GraphAttentionLayer(
- self.nhids[0] * self.nheads[0], self.nhids[1], dropout=dropout, alpha=alpha, concat=True) for _ in
- range(self.nheads[1])]
- for i, attention2 in enumerate(self.attentions2):
- self.add_module('attention2_{}'.format(i), attention2)
- self.attentions3 = [GraphAttentionLayer(
- self.nhids[1] * self.nheads[1], self.nhids[2], dropout=dropout, alpha=alpha, concat=True) for _ in
- range(self.nheads[2])]
- for i, attention3 in enumerate(self.attentions3):
- self.add_module('attention3_{}'.format(i), attention3)
- self.dropout_layer = nn.Dropout(p=self.dropout)
- self.pool1 = torch.nn.Linear(self.nhids[0] * self.nheads[0], 1)
- self.pool2 = torch.nn.Linear(self.nhids[1] * self.nheads[1], 1)
- self.pool3 = torch.nn.Linear(self.nhids[2] * self.nheads[2], 1)
- lin_input_dim = 3 * self.dim
- self.fc1 = nn.Sequential(
- nn.Linear(lin_input_dim, self.fc_dim[0]),
- nn.ELU(),
- nn.AlphaDropout(p=self.dropout, inplace=False))
- self.fc1.apply(xavier_init)
- self.fc2 = nn.Sequential(
- nn.Linear(self.fc_dim[0], self.fc_dim[1]),
- nn.ELU(),
- nn.AlphaDropout(p=self.dropout, inplace=False))
- self.fc2.apply(xavier_init)
- self.fc3 = nn.Sequential(
- nn.Linear(self.fc_dim[1], self.fc_dim[2]),
- nn.ELU(),
- nn.AlphaDropout(p=self.dropout, inplace=False))
- self.fc3.apply(xavier_init)
- self.fc4 = nn.Sequential(
- nn.Linear(self.fc_dim[2], self.fc_dim[3]),
- nn.ELU(),
- nn.AlphaDropout(p=self.dropout, inplace=False))
- self.fc4.apply(xavier_init)
- self.fc5 = nn.Sequential(
- nn.Linear(self.fc_dim[3], 6))
- self.fc5.apply(xavier_init)
- def forward(self, x, adj):
- x0 = torch.mean(x, dim=-1)
- x = self.dropout_layer(x)
- x = torch.cat([att(x, adj) for att in self.attentions1], dim=-1)
- x1 = self.pool1(x).squeeze(-1)
- x = self.dropout_layer(x)
- x = torch.cat([att(x, adj) for att in self.attentions2], dim=-1)
- x2 = self.pool2(x).squeeze(-1)
- x = torch.cat([x0, x1, x2], dim=1)
- print("x:",x.shape)
- x = self.fc1(x)
- x = self.fc2(x)
- x1 = self.fc3(x)
- x = self.fc4(x1)
- output = x1
- gat_output = x
- return output, gat_output
- class GraphAttentionLayer(nn.Module):
- def __init__(self, in_features, out_features, dropout, alpha, concat=True):
- super(GraphAttentionLayer, self).__init__()
- self.dropout = dropout
- self.in_features = in_features
- self.out_features = out_features
- self.alpha = alpha
- self.concat = concat
- self.W = nn.Parameter(torch.zeros(size=(in_features, out_features)))
- nn.init.xavier_uniform_(self.W.data, gain=1.414)
- self.a = nn.Parameter(torch.zeros(size=(2 * out_features, 1)))
- nn.init.xavier_uniform_(self.a.data, gain=1.414)
- self.leakyrelu = nn.LeakyReLU(self.alpha)
- self.dropout_layer = nn.Dropout(p=self.dropout)
- def forward(self, input, adj):
- """
- input: mini-batch input. size: [batch_size, num_nodes, node_feature_dim]
- adj: adjacency matrix. size: [num_nodes, num_nodes]. need to be expanded to batch_adj later.
- """
- h = torch.matmul(input, self.W)
- bs, N, _ = h.size()
- a_input = torch.cat([h.repeat(1, 1, N).view(bs, N * N, -1), h.repeat(1, N, 1)], dim=-1).view(bs, N, -1,
- 2 * self.out_features)
- e = self.leakyrelu(torch.matmul(a_input, self.a).squeeze(3))
- batch_adj = torch.unsqueeze(adj, 0).repeat(bs, 1, 1)
- zero_vec = -9e15 * torch.ones_like(e)
- attention = torch.where(batch_adj > 0, e, zero_vec)
- attention = self.dropout_layer(F.softmax(attention, dim=-1)) # [bs, N, N]
- h_prime = torch.bmm(attention, h) # [bs, N, F]
- if self.concat:
- return F.elu(h_prime)
- else:
- return h_prime
- def __repr__(self):
- return self.__class__.__name__ + ' (' + str(self.in_features) + ' -> ' + str(self.out_features) + ')'
- class Chomp1d(nn.Module):
- def __init__(self, chomp_size):
- super(Chomp1d, self).__init__()
- self.chomp_size = chomp_size
- def forward(self, x):
- return x[:, :, :-self.chomp_size].contiguous()
- class TemporalBlock(nn.Module):
- def __init__(self, n_inputs, n_outputs, kernel_size, stride, dilation, padding, dropout=0.2):
- super(TemporalBlock, self).__init__()
- self.conv1 = weight_norm(nn.Conv1d(n_inputs, n_outputs, kernel_size,
- stride=stride, padding=padding, dilation=dilation))
- self.chomp1 = Chomp1d(padding)
- self.relu1 = nn.ReLU()
- self.dropout1 = nn.Dropout(dropout)
- self.conv2 = weight_norm(nn.Conv1d(n_outputs, n_outputs, kernel_size,
- stride=stride, padding=padding, dilation=dilation))
- self.chomp2 = Chomp1d(padding)
- self.relu2 = nn.ReLU()
- self.dropout2 = nn.Dropout(dropout)
- self.net = nn.Sequential(self.conv1, self.chomp1, self.relu1, self.dropout1,
- self.conv2, self.chomp2, self.relu2, self.dropout2)
- self.downsample = nn.Conv1d(n_inputs, n_outputs, 1) if n_inputs != n_outputs else None
- self.relu = nn.ReLU()
- self.init_weights()
- def init_weights(self):
- self.conv1.weight.data.normal_(0, 0.01)
- self.conv2.weight.data.normal_(0, 0.01)
- if self.downsample is not None:
- self.downsample.weight.data.normal_(0, 0.01)
- def forward(self, x):
- out = self.net(x)
- res = x if self.downsample is None else self.downsample(x)
- return self.relu(out + res)
- class TemporalConvNet(nn.Module):
- def __init__(self, num_inputs, num_channels, kernel_size=2, dropout=0.2):
- super(TemporalConvNet, self).__init__()
- layers = []
- num_levels = len(num_channels)
- for i in range(num_levels):
- dilation_size = 2 ** i
- in_channels = num_inputs if i == 0 else num_channels[i - 1]
- out_channels = num_channels[i]
- layers += [TemporalBlock(in_channels, out_channels, kernel_size, stride=1, dilation=dilation_size,
- padding=(kernel_size - 1) * dilation_size, dropout=dropout)]
- self.network = nn.Sequential(*layers)
- def forward(self, x):
- return self.network(x)
- class TCN(nn.Module):
- def __init__(self, input_size, output_size, num_channels, kernel_size, dropout):
- super(TCN, self).__init__()
- self.tcn = TemporalConvNet(input_size, num_channels, kernel_size, dropout=dropout)
- self.linear = nn.Linear(num_channels[-1], output_size)
- def forward(self, x):
- output = self.tcn(x.transpose(1, 2)).transpose(1, 2)
- pred = self.linear(output[:, -1, :])
- return pred
model.py at commit 3178f02, no license · at the source
Overview
- College of Computer Science and Technology, Zhejiang Sci-Tech University,Hangzhou, 310017 China
- Zhejiang Mintai Commercial Bank, Hangzhou, China
- College of Life Science and Biomedicine, Zhejiang Sci-Tech University,Hangzhou, 310017 China
Abstract
The abstract is not reproduced here: the paper's license (CC BY-NC-ND) does not allow it. Read it in the paper, at the publisher or on Europe PMC.
Repository
Its files are read in the Code ↔ Paper reader above, with 2 matches between paragraphs and lines of code.
ZJ-BMDmining/M2DGAT
3178f02cc72b62456807d39dba2ed1bfd221cebc, 26 March 2026Availability: 1 check, the latest on 30 September 2026: the link answers
- 30 September 2026: the link answers
5 files
- .ipynb_checkpoints/
Multi-scale_fusion-check , Jupyter, 129 linespoint.ipynb - MEGENA.R, R, 90 lines
- figures/
.ipynb_checkpoints/ , Jupyter, 1 lineUntitled-checkpoint.ipyn b - model.py, Python, 386 lines, 2 matches
- README.md, Text, 87 lines
Code availability statement
The paper has a code availability statement. Its license (CC BY-NC-ND) does not allow reproducing it here; in short, from what the harvester recognized in it:
- it points to the authors' code: ZJ-BMDmining/
M2DGAT
Read it in the paper: doi.org/10.1038/s41598-026-40636-x.
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Read it in the paper: doi.org/10.1038/s41598-026-40636-x.
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Version 1, 30 September 2026: the first record
Recorded: type, language, journal, volume, issue, pages, dates, 4 authors, 7 keywords, 6 MeSH terms, 2 funders, 34 references.
Cite
This paper
Wei, Z., Zeqi, X., Chenjun, W., & Qi, D. (2026). M[Formula: see text]DGAT: Multi-view multi-scale dynamic graph attention network(GAT) based prediction of Parkinson's disease(PD) progression using whole-blood RNA sequencing data. Scientific reports, 16(1), 11777. https://
BibTeX
@article{wei2026m,
author = {Wei, Zhang and Zeqi, Xu and Chenjun, Wu and Qi, Dai},
title = {{M[Formula: see text]DGAT: Multi-view multi-scale dynamic graph attention network(GAT) based prediction of Parkinson's disease(PD) progression using whole-blood RNA sequencing data}},
journal = {Scientific reports},
year = {2026},
month = mar,
volume = {16},
number = {1},
pages = {11777},
publisher = {Nature Publishing Group},
issn = {2045-2322},
doi = {10.1038/
url = {https://
pmid = {41771960},
pmcid = {PMC13065810}
}
RIS
TY - JOUR
AU - Wei, Zhang
AU - Zeqi, Xu
AU - Chenjun, Wu
AU - Qi, Dai
TI - M[Formula: see text]DGAT: Multi-view multi-scale dynamic graph attention network(GAT) based prediction of Parkinson's disease(PD) progression using whole-blood RNA sequencing data
T2 - Scientific reports
J2 - Sci Rep
PY - 2026
DA - 2026/
VL - 16
IS - 1
SP - 11777
SN - 2045-2322
PB - Nature Publishing Group
DO - 10.1038/
UR - https://
LA - en
ER -
CSL-JSON
{
"id": "10.1038/
"type": "article-journal",
"title": "M[Formula: see text]DGAT: Multi-view multi-scale dynamic graph attention network(GAT) based prediction of Parkinson's disease(PD) progression using whole-blood RNA sequencing data",
"container-title": "Scientific reports",
"author": [
{
"family": "Wei",
"given": "Zhang"
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{
"family": "Zeqi",
"given": "Xu"
},
{
"family": "Chenjun",
"given": "Wu"
},
{
"family": "Qi",
"given": "Dai"
}
],
"container-title-short":
"volume": "16",
"issue": "1",
"page": "11777",
"DOI": "10.1038/
"PMID": "41771960",
"PMCID": "PMC13065810",
"ISSN": "2045-2322",
"publisher": "Nature Publishing Group",
"URL": "https://
"language": "en",
"issued": {
"date-parts": [
[
2026,
3,
2
]
]
}
}
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Discussion, reproductions, activity
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