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Updated Kozachenko-Leonenko multivariate Entropy calculator to implement EntropyCalculator interface, in preparation for Entropy AutoAnalyser

This commit is contained in:
jlizier 2017-08-21 14:56:20 +10:00
parent e75eb761ca
commit 4d6fc1a572
1 changed files with 16 additions and 2 deletions
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18
java/source/infodynamics/measures/continuous/kozachenko/EntropyCalculatorMultiVariateKozachenko.java
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@ -18,9 +18,11 @@
package infodynamics.measures.continuous.kozachenko;
import infodynamics.measures.continuous.EntropyCalculator;
import infodynamics.measures.continuous.EntropyCalculatorMultiVariate;
import infodynamics.utils.EuclideanUtils;
import infodynamics.utils.MathsUtils;
import infodynamics.utils.MatrixUtils;
/**
* <p>Computes the differential entropy of a given set of observations
@ -56,7 +58,7 @@ import infodynamics.utils.MathsUtils;
* <a href="http://lizier.me/joseph/">www</a>)
*/
public class EntropyCalculatorMultiVariateKozachenko
implements EntropyCalculatorMultiVariate {
implements EntropyCalculator, EntropyCalculatorMultiVariate {
protected boolean debug = false;
private int totalObservations;
@ -124,6 +126,19 @@ public class EntropyCalculatorMultiVariateKozachenko
lastLocalEntropy = null;
}
/*
* (non-Javadoc)
* @see infodynamics.measures.continuous.EntropyCalculator#setObservations(double[])
*
* This method here to ensure we make compatibility with the
* EntropyCalculator interface.
*/
@Override
public void setObservations(double[] observations) {
rawData = MatrixUtils.reshape(observations, observations.length, 1);
setObservations(rawData);
}
/**
* Each row of the data is an observation; each column of
* the row is a new variable in the multivariate observation.
@ -329,5 +344,4 @@ public class EntropyCalculatorMultiVariateKozachenko
public int getNumObservations() {
return totalObservations;
}
}