| Name | Description | Type | Package | Framework |
| CPN | Counterpropagation Neural Networks (CPN) were developed by Professor Robert Hecht-Nielsen in 1987. | Class | org.encog.neural.cpn | HeatonReasearch |
| PersistCPN | Persist a CPN network. | Class | org.encog.neural.cpn | HeatonReasearch |
| TrainInstar | Used for Instar training of a CPN neural network. | Class | org.encog.neural.cpn.training | HeatonReasearch |
| TrainOutstar | Used for Instar training of a CPN neural network. | Class | org.encog.neural.cpn.training | HeatonReasearch |