Pedro,
I only skimmed your question on stackoverflow, but since I had just seen a
related post on R-bloggers (http://www.r-bloggers.com), I thought you might
be interested.
"Out-of-sample one-step forecasts
"It is common to fit a model using training data, and then to evaluate
its performance on a test data set. When the data are time series, it is
useful to compute one-step forecasts on the test data. For some reason,
this is much more commonly done by people trained in machine learning
rather than statistics."
Continue reading ...
http://robjhyndman.com/hyndsight/out-of-sample-one-step-forecasts/
Hope this helps.
Jean
On Wed, Feb 13, 2013 at 9:28 AM, Pedro Carvalho
<pedro_n_pinto@hotmail.com>wrote:
>
> Hello,
>
> I have submitted a R question to stackoverflow and have not received an
> answer.
>
> Could anyone help me out?
>
>
>
http://stackoverflow.com/questions/14825443/backtesting-accuracy-of-regression-model-through-rolling-window-regression-with
>
> Best regards,
> Pedro
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
[[alternative HTML version deleted]]