# Examples for External Contributions
This directory contains examples demonstrating functionality included in the `torch_geometric.contrib` package.
The `contrib` package of PyG is a staging area for early-stage, experimental code.
Modules included here might be moved to the main library in the future.
| Example | Description |
| ---------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------- |
| [`rbcd_attack.py`](./rbcd_attack.py) | An example of the RBCD (Resource-based Critical Data) attack |
| [`rbcd_attack_poisoning.py`](./rbcd_attack_poisoning.py) | An example of the RBCD (Resource-Based Critical Data) attack with data poisoning strategies |
| [`pgm_explainer_node_classification.py`](./pgm_explainer_node_classification.py) | An example of the PGM (Probabilistic Graphical Model) explainer for node classification |
| [`pgm_explainer_graph_classification.py`](./pgm_explainer_graph_classification.py) | An example of the PGM (Probabilistic Graphical Model) explainer for graph classification |
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