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RProp MLP Learner

DeprecatedKNIME Base Nodes version 4.3.0.v202012031743 by KNIME AG, Zurich, Switzerland

Implementation of the RProp algorithm for multilayer feedforward networks. RPROP performs a local adaptation of the weight-updates according to the behavior of the error function. For further details see: Riedmiller, M. Braun, H. : "A direct adaptive method for faster backpropagation learning: theRPROP algorithm",Proceedings of the IEEE International Conference on Neural Networks (ICNN) (Vol. 16, pp. 586-591). Piscataway, NJ: IEEE. This node provides a view of the error plot.
If the optional PMML inport is connected and contains preprocessing operations in the TransformationDictionary those are added to the learned model.

Options

Maximum number of iterations: The number of learning iterations.
Number of hidden layers: Specifies the number of hidden layers in the architecture of the neural network.
Number of hidden neurons per layer: Specifies the number of neurons contained in each hidden layer.
Class column: Choose the column that contains the target variable: it can either be nominal or numerical. All nominal class values are extracted and assigned to output neurons. If you use a numerical target variable (regression), please make sure it is normalized!
Ignore missing values: If this checkbox is set, rows with missing values will not be used for training.
Use seed for random initialization: If this checkbox is set, a seed (see next field) can be set for initializing the weights and thresholds can be set.
Random seed: Seed for the random number generator.

Input Ports

: Datatable with training data
: Optional PMML port object containing preprocessing operations.

Output Ports

: RProp trained Neural Network

Views

Error Plot: Displays the error for each iteration.

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Workflows

01_Analytics (KNIME Hub)
03_ZIP_Local_vs_remoteHTTP (KNIME Hub)
03_ZIP_Local_vs_remoteHTTP (KNIME Hub)
14_Reading local and remote compressed CSV files (KNIME Hub)

Installation

To use this node in KNIME, install KNIME Base nodes from the following update site:

KNIME 4.3

A zipped version of the software site can be downloaded here.

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Developers

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