[rrd-users] Holt winters problem!

[mpaladin]

Hello, I'm trying to get the Holt Winters working on my RRDs.
The problem is that all the values on HWPREDICT are nan...
Where is the mistake? I attach you the rrd file.
Regards,

Massimo
http://n2.nabble.com/file/n4071272/Live_Threads_number.rrd
Live_Threads_number.rrd 

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