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Example of graph-clustering correlation network for phosphatidylglycerols for U87+p53/24hr. The clustered phosphatidylglycerols wrt. treatment 6 (threshold of 0.5). Cluster 1 can also be observed in Fig. 3, cluster 3 includes most other lipids as they behave more similar than for treatment 7, only nodes 2 [(32:0)+O] and 4 [(32:1)+O] are further distant, their weak tie (0.25 < threshold) is pruned visually.
