Node Connectivity
There are 2 nodes that can be used as predessesor
for a node with an input port of type 
org.knime.base.node.mine.bfn.BasisFunctionPortObject.
Fuzzy Rule Learner
Learns a Fuzzy Rule Model on labeled numeric data.
PNN Learner (DDA)
Trains a Probabilistic Neural Network (PNN) on labeled data.