Merge pull request #371 from lscheinkman/issue_370

Limit expose anomaly score to values between 0 and 1
numenta · Jul 30, 2020 · 2fafea9 · 2fafea9
2 parents 408b677 + 2ef59b5
commit 2fafea9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/nab/detectors/expose/expose_detector.py b/nab/detectors/expose/expose_detector.py
@@ -66,6 +66,7 @@ def handleRecord(self, inputData):
     # product, is the likelihood of data point being normal. Resulting
     # anomaly scores are in the range of -0.02 to 1.02.
     anomalyScore = numpy.asscalar(1 - numpy.inner(inputFeature, exposeModel))
+    anomalyScore = (anomalyScore + 0.02) / 1.04
     self.timestep += 1
 
     return [anomalyScore]