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- How to save ARIMA formula from script?

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Mar 22, 2017 9:16 AM
(717 views)

Hello, All

Is there an efective way to automatically save predictive formulas of ARIMA models?

Here is what I am trying, but the code does not work:

Data = Time Series( X( :RowNO ), Y( :Name( "8_LIMITS" ) ), ARIMA( 1, 1, 4, No Intercept( 1 ) ), ); Data << (curve[1] << Save prediction formula);

Any help will be appreciated!

-Jose

3 REPLIES

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Mar 22, 2017 4:39 PM
(703 views)

Here is the example from the Scripting Index on how to do that:

Help==>Scripting Index==>Time Series==>ARIMA==>Save Prediction Formula

```
Names Default To Here( 1 );
dt = Open( "$SAMPLE_DATA/Time Series/Steel Shipments.jmp" );
obj = Time Series( Y( :Steel Shipments ) );
obj2 = obj << Arima( 1, 0, 0 );
obj2 << Save Prediction Formula;
```

Jim

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Aug 8, 2017 3:52 PM
(386 views)

Hi,

I tried this script, but it keeps saving the predicted values on a different datatable.

Is there a way to save it to the same data table, in a new column?

Thanks!

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Aug 9, 2017 6:11 PM
(365 views)

The data are saved to a new table because includes the forecasted predicted values in addition to the actual values. However, all you have to do is to use a table join to add the data from the new table back to the original data table.

Tables==>Join

Jim