I have a SARIMA model with outliers effect:


How to do modeling based forecasting??


closed as unclear what you're asking by whuber Jul 1 '18 at 16:24

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  • $\begingroup$ Before proceeding to forecasting , I would delete all non-significant coefficients and add any additional arima structure identified from the residuals from the model and then check on constancy of model parameters and error variance over time. $\endgroup$ – IrishStat May 24 '18 at 16:00
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    $\begingroup$ please provide more information what you are trying to do, and possibly what you are doing. Nicer formatting (see the style guide/fomatting help guide) would help as well. $\endgroup$ – cherub May 24 '18 at 16:00
  • $\begingroup$ I want to make forecast for 15 values,, how to write arima forecasting syntax with outliers???? I try to use: $\endgroup$ – Indri Fauzi Lestari May 25 '18 at 3:34
  • $\begingroup$ You may be interested in this answer. $\endgroup$ – javlacalle May 25 '18 at 10:29