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Predicting time series

vivi

Hello,

I've successfully trained and tested my time series forecasting model using neural networks. But now, I would like to use this model to predict some data points ahead. However, to predict for example t+3 my model requires the t+1 predicted point. Could you please help me on this topic?

Thanks!

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wessel

Hello,

You should create training examples with a +3 horizon.
You can do this using the windowing operator.

Best regards,

Wessel

vivi

Hi,

I think the windowing can't solve my problem. My time series dataset ended at the last week of December, and I wanted to forecast the next 13 weeks. I guess the windowing process allows to only predict the next unknown value. AmI right? For example, II would like to forecast the 13th week using the 12th, 11th ... weeks. Do I have to use some kind of loop to forecast ahead?

Thnaks!

wessel

Hey,

Windowing can create training examples with an horizon of 13 weeks.

E.g.

1 2 15
2 3 16
3 4 17

So you are using data from time slot 1 and 2, to predict time slot 15, data from time slot 2 and 3 for 16, 3 and 4 for 17, etc.
This way you do not need a loop.

Best regards,

Wessel