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Is there a way to define my own transformation?

I want to create my own transformation so that I can wrap the target series in @sa(x) to run a regression without necessarily defining a new series (which, as far as I know, is the not currently offered by any the seasonal adjustment methods).

I have a table with ISO codes in one column and a value in another. I want to loop through ISO codes and then lookup the value, essentially like a VLOOKUP function in Excel. Essentially; for %iso USA !index = **find the row that the USA is in on the table** string wanted_value = Table(!index,3) next

I am trying to generate a series of numbers in an elegant way to store in a vector, counting 1 to 10 by 1. In other programming languages I'm familiar with, it would just be using ":" as an operator, so that 1 to 10 would just be >>> vector x = 1:10 Is there any way to do this with code in...

I am trying to save some data members of the VAR object, but I am getting an error. I've tried:

scalar val =(var_name).@r2
scalar val =@r2(var_name)

both return the same error:

Error Message: No equation in memory

How do I retrieve the data members from a VAR?

Gareth- what does it mean that a system is explosive? I don't understand the terminology.

Thanks

Thank you, but on a related note, is there a way I could collect all p-values in a vector with a loop?

When I run an ARDL model, several coefficients with high probability of insignificance are still included. Is there any way to re-run the ARDL and then select coefficients based on p-value of <.1000?

I know to reference coefficients in an equation, you can use @coefs, but what if I want to reference R^2? Is there a similar command for that?

I am trying to do a .x13 seasonal adjustment with a user-defined regressor. I have a dummy variable for the different months of easter, and I am determining that to be "holiday" type. I am getting these error messages: WARNING: Forecast extension cannot be done for multiplicative or log- a...

How could I create a "start" date using a similar method by referencing the date 24 months prior to the last observation - for creating a sample instead of pagestruct?