In the default network generated by MetaboAnalyst, the size of the nodes are based on their degree values, with a big size for large degree values.
The color of nodes are based on
- Node type (distinct colors are applied for genes, metabolites or disease nodes)
- Node betweenness centrality values (different gradients within each node type).
- When user switches to Expression View, the color will be based on their expression values (if available).