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Making local computation for CMI Gaussian calculator store the lastAverage if it was called with the previous observations

This commit is contained in:
Joseph Lizier 2019-05-17 22:47:16 +10:00
parent 681c9196ee
commit 1db8a2ac63
1 changed files with 14 additions and 4 deletions
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18
java/source/infodynamics/measures/continuous/gaussian/ConditionalMutualInfoCalculatorMultiVariateGaussian.java
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@ -737,6 +737,10 @@ public class ConditionalMutualInfoCalculatorMultiVariateGaussian
double[] localValues = new double[lengthOfReturnArray];
if (isPreviousObservations) {
lastAverage = 0;
}
for (int t = 0; t < newVar2Obs.length; t++) {
double[] var1DeviationsFromMean =
@ -813,12 +817,18 @@ public class ConditionalMutualInfoCalculatorMultiVariateGaussian
localValues[t] -= analyticMeasDist.getMeanOfUncorrectedDistribution();
}
if (isPreviousObservations) {
lastAverage += localValues[t];
}
}
// if (isPreviousObservations) {
// Don't store the average value here, since it won't be exactly
// the same as what would have been computed under the analytic expression
// }
if (isPreviousObservations) {
// Originally we didn't store the average value here, worrying that it wouldn't be exactly
// the same as what would have been computed under the analytic expression;
// however it should be, any difference is only numerical
lastAverage /= (double) newVar2Obs.length;
condMiComputed = true;
}
return localValues;
}