public class FeatureUtil extends Object
Constructor and Description |
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FeatureUtil() |
Modifier and Type | Method and Description |
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static void |
normalizeMatrix(INDArray toNormalize) |
static void |
scaleByMax(INDArray toScale)
Divides each row by its max
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static void |
scaleMinMax(double min,
double max,
INDArray toScale)
Scales the ndarray columns
to the given min/max values
|
static INDArray |
toOutcomeMatrix(int[] index,
long numOutcomes)
Creates an out come vector from the specified inputs
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static INDArray |
toOutcomeVector(long index,
long numOutcomes)
Creates an out come vector from the specified inputs
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public static INDArray toOutcomeVector(long index, long numOutcomes)
index
- the index of the labelnumOutcomes
- the number of possible outcomespublic static INDArray toOutcomeMatrix(int[] index, long numOutcomes)
index
- the index of the labelnumOutcomes
- the number of possible outcomespublic static void normalizeMatrix(INDArray toNormalize)
public static void scaleByMax(INDArray toScale)
toScale
- the matrix to divide by its row maxespublic static void scaleMinMax(double min, double max, INDArray toScale)
min
- the minimum numbermax
- the max numberCopyright © 2021. All rights reserved.