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Reverses Principal Component Analysis (PCA) process. Can be used to transform data back to original feature space.
Namespace: | AvlNet |
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Assembly: | AVL.NET.dll |
Syntax
C++
C#
public static void ReversePCATransform ( AvlNet.Matrix inTransformedMatrix, AvlNet.PCAModel inPCAModel, AvlNet.Matrix outMatrix )
Parameters
Name | Type | Range | Default | Description | |
---|---|---|---|---|---|
inTransformedMatrix | AvlNet.Matrix | Data that was transformed earlier. | |||
inPCAModel | AvlNet.PCAModel | PCA model used to create inTransformedMatrix. | |||
outMatrix | AvlNet.Matrix | inTransformedMatrix transformed back to its original feature space. |
Errors
List of possible exceptions:
Error type | Description |
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DomainError | Feature vector of inPCAModel and Transformed Data matrices dimensions do not correspond to each other in ReversePCATransform. |
DomainError | inMeanVector and inStandardDeviationVector have incorrect size for inTransformedMatrix provided in ReversePCATransform. |
DomainError | Malformed inPCAModel - StandardDeviationVector is not row-vector in ReversePCATransform. |
DomainError | Malformed inPCAModel - MeanVector is not row-vector in ReversePCATransform. |
DomainError | Malformed inPCAModel - uneven vector sizes in ReversePCATransform. |