Talk:Generative topographic map

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[edit] Contradiction with Self-organizing map article

The following appears to contradict what is said in Self-organizing map about topology preservation."A key difference between the GTM and the SOM is that the nodes in the SOM can wander around at will; GTM nodes are constrained by the allowable transformations and the probabilities on those transformations. If the deformations are well-behaved the topology of the latent space is preserved.."