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PCA Inversion

StreamableKNIME Base Nodes version 4.3.2.v202103021015 by KNIME AG, Zurich, Switzerland

This node inverts the transformation applied by the PCA Apply node. Given data in the space resulting from the PCA reduction are transformed back to its original space. Information that was lost by the PCA transformation cannot be recovered.

Options

Columns
Select all columns containing the projected data.
Remove selected columns
If checked, the selected columns are removed in the output table.
Fail if missing values are encountered
If checked, execution fails, when the selected columns contain missing values. By default, rows containing missing values are ignored and not considered during the computation.

Input Ports

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The Model used to reverse the PCA.
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Input data containing PCA transformed data.

Output Ports

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The original data (without the selected columns) including the reconstructed data from reverting the PCA transformation.

Best Friends (Incoming)

Best Friends (Outgoing)

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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