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05-16-2017 09:07 AM

Hi All,

I ran Holt winters additive time series model on my time series. As a default outputs, I have got 95% confidence interval for my forecast in one of the SAS output summary. Is there any way that I can get prediction intervals for forecast in the outputs as well? Prediction interval is different from confidence interval.

Please let me know.

Thanks!

Kishore

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05-17-2017
08:32 AM

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Posted in reply to Kishore_Kumar

05-16-2017 01:25 PM - edited 05-16-2017 01:30 PM

Hi,

Are you using PROC ESM or PROC forecast?

If using PROC ESM, the OUTFOR data set contains the prediction intervals. See http://support.sas.com/documentation/cdl/en/etsug/68148/HTML/default/etsug_esm_details10.htm#etsug_e...

If using PROC FORECAST, I encourage you to use PROC ESM instead, which superseeded PROC FORECAST. See here:

Michele

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Solution

05-17-2017
08:32 AM

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Posted in reply to Kishore_Kumar

05-16-2017 01:25 PM - edited 05-16-2017 01:30 PM

Hi,

Are you using PROC ESM or PROC forecast?

If using PROC ESM, the OUTFOR data set contains the prediction intervals. See http://support.sas.com/documentation/cdl/en/etsug/68148/HTML/default/etsug_esm_details10.htm#etsug_e...

If using PROC FORECAST, I encourage you to use PROC ESM instead, which superseeded PROC FORECAST. See here:

Michele

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Posted in reply to mitrov

05-17-2017 08:33 AM - edited 05-17-2017 08:34 AM

Thanks for your reply. I was getting confused between CIs & PIs. As you clarified in the case of PROC ESM it would be PI by default. Thanks a ton.

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Posted in reply to Kishore_Kumar

05-17-2017 10:44 AM

You are correct that the documentation is a bit confusing in that. I will change it to make it clearer. Thanks for pointing it out.