Node Connectivity
There are 169 nodes that can be used as predessesor
for a node with an input port of type 
org.knime.core.node.port.AbstractPortObject.
Convolution Layer (legacy)
Convolutional layer.
LRN Layer (legacy)
Local Response Normalization layer.
Pooling Layer (legacy)
Pooling layer.
RBM Layer (legacy) Deprecated
Restricted Boltzmann Machine layer.
AutoEncoder Layer (legacy)
Denoising AutoEncoder Layer
Dense Layer (legacy)
Fully connected layer.
DL4J Model Initializer (legacy)
Initialiser for the deep learning model.
DL4J Feedforward Learner (Classification) (legacy)
Learner for Feedforward Deep Learning Models.
DL4J Feedforward Learner (Regression) (legacy)
Regression Learner for Feedforward Deep Learning Models.
DL4J Feedforward Learner (Pretraining) (legacy)
Learner for Feedforward Deep Learning Models.