21. The system of claim 19 wherein said storage stores instructions to develop a forest supervised classifier.
19. A system comprising: a processor; and a storage coupled to said processor, the storage storing instructions to develop a forest supervised classifier, sum the affinity between said first and second points in each tree of the forest and average the result and determine a non-binary affinity measure between two data points using the supervised classifier, and provide a visualization of the relationships between data points using said non-binary affinity measure.