Questions tagged [pytorch-geometric]

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How to use Graph Neural Network to predict relationships between nodes with pytorch_geometric?

Let's say I have a partly connected graph that represents members of many unrelated communities. I would like to predict the possible friendships between members of the same community: on an sliding ...
2
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0answers
237 views

What is the difference between FC and MLP in as used in PointNet?

I am trying to understand the PointNet network for dealing with point clouds and struggling with understanding the difference between FC and MLP: "FC is fully connected layer operating on each ...
1
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0answers
21 views

Dying gradient issue in Graph Neural Networks

I am using Pytorch-Geometric library to implement a Graph Convolutional Layer(GCN) followed by few linear layers for a prediction task. But after training on graphs with np. of nodes being 10K and no. ...
0
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0answers
19 views

why does tox21 loads as having 12 classes in pytorch geometric?

Why is the tox21 dataset loaded with predefined 12 classes when it should be binary classification, thus two classes? Code sampled modified: ...
0
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2answers
111 views

How to apply Geomertic mean in python

I am trying to built a function to calculate the Geometric mean for Growth column and Avg_growth. Year Company Name FH_PBIDT ...
0
votes
0answers
21 views

Weird train and validation curves

I would like to train a GCN for protien-ligand binding affinity regression. I use GCNConv from pytorch geometric, ReLU for all activations and Dropout (0.2) after 2 dense layers each. Using ReLU for ...
3
votes
0answers
93 views

Graph Embedding Vs Graph Convolution Network

I'm new in Graph-Embedding and GCN(Graph/Geometric Convolution Network). I'm confused and not very much sure about "How training works in GCN"? As per my understanding, GCN training data will be ...
1
vote
1answer
1k views

What does the collate function in pytorch (geometric)?

I am creating a message passing neural network and have some issues with the dataset creation. In pytorch (geometric) it is recommended to create a dataset with the following class. I wonder what is ...