On Mon, Feb 15, 2016 at 4:48 PM, Wakan Tanka <[email protected]> wrote:
> On 02/15/2016 05:19 PM, Matthew Taylor wrote:
>>
>> See below...
>>
>> On Sat, Feb 13, 2016 at 6:59 PM, Wakan Tanka <[email protected]> wrote:
>>>
>>>
>>> Thank you very much Matt, informative as always ;)
>>>
>>> One more questions:
>>>
>>>> 2) Swarming is optimized only for prediction. It may not be the best
>>>> method to find model params for anomalies. We have identified a set of
>>>> model params that are decent for most one-dimensional scalar input
>>>> anomaly detection, and we generally reuse those in all our anomaly
>>>> models.
>>>
>>>
>
>
> So is there better way to find model params for anomaly detection than
> swarming?

Watch this: https://www.youtube.com/watch?v=XK5Dd8fGO2w

> I know that with using TemporalAnomaly I can predict one step as I were
> choose TemporalMultiStep, AFAIK the TemporalMultiStep allows me to predict
> multiple steps at once and TemporalAnomaly allows me to predict one step
> (with choosen size) plus anomaly score. I'm just curious why people from
> Numenta decided to separate them, is it only for peroformance purposes? Also
> if I understand correct then predicting larger step will have significant
> impact on performance but predicting more will not. I guess that when NuPIC
> predicts 10 steps ahead then it under the hood also predicts steps from 1 to
> 9. So it is more a matter of memory than CPU. Or am I wrong?

We generally do not use the predictions from TemporalAnomaly models.
Yes, steps farther in the future will be less performant.

Regards,
---------
Matt Taylor
OS Community Flag-Bearer
Numenta

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