The parameter values having highest impact on the pathway inference accuracy are in this order: compound degree weight and inflated compound degree weight outperform unit weight, directed network outperforms undirected network, kWalks supersedes hybrid approaches and three kWalk iterations are better than a single run.
In our experiments, Réd was able to reconstruct several known and partially known pathways with accuracy above that of the state-of-the-art approaches.
In all seven cases, the proposed method found the underlying KEGG pathway with greater accuracy.
Microstructure of inferior longitudinal fasciculus (ILF, connecting occipital and ventro-anterior temporal lobe, including PrC) and fornix (the main HC input/output pathway) correlated with accuracy on odd-one-out judgements involving faces and scenes, respectively.
Excepting the 5 failed cases, however, the automatic pathway showed good accuracy and satisfactory error rates; (PM = 87.41 ± 17.16% versus 87.46 ± 17.19%; CR = 0.78 ± 0.16 versus 0.78 ± 0.16) and comparable findings to those from the semi-supervised group.
Manual curation was conducted for the most significantly altered pathways to ensure accuracy.
The best performing approach is a novel hybrid strategy, which combines a random walk-based reduction of the graph with a shortest paths-based algorithm, and which recovers the reference pathways with an accuracy of ∼77%.
Segmenting the two competing rates into two separate independent pathways requires high accuracy calculations and a very small time step for the finite difference calculation to achieve a stable equilibrium meeting the requirements of detailed balance, one that will always be slightly displaced from the "true" equilibrium solution.
As we did with the individual pathways, we compute the average validation accuracy of a pathway pair over the 50 trials, using zero percent accuracy for any trial where a pathway pair was not represented.
Regardless of its precise historical accuracy, the pathway is a real beauty.
