Hi,

I tried to use Nupic for anomaly detection over following data set.  The blue 
line is actual and red line is Nupic prediction.  The downward spikes, such as 
the one circled out, are anomalies in our case.

Nupic seems to treat the anomaly as regular pattern and later predicts such 
downward spikes.  It can be shown that the red spikes later follow the blue 
spike.   However, downwards spikes are true anomalies and should not be 
accounted as norm.  Is there a way to suppress such predictions?

Regards,
Tom




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