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But how do you define a week number?

What is week 10 in 2019? What is week 10 in 2018? Etc...

Welcome to the horrors of working with weekly data.

If you can describe mathematically how you'd like to do the comparisons, we can probably tell you how to do it in EViews.

I don't get an error message if I run that code.

But, note, a test of a<>0 will return "na" if a=na, and so the @iif will return NA whenever a=na.

Its not clear what you're asking here. Are you asking why a VAR's automatic lag selection is different from a single series' unit root test's automatic lag selection? If so, they're not comparable. The VAR has multiple series, the unit root only has one. The ADF test includes differences of the vari...

EViews 9.0 - March 2015, I believe.

There's two parts to this question.

• Which econometric/statistical/mathematical technique should I used to extrapolate my data.
• How do I perform that technique in EViews.

Once you have an answer to the first, we can help with the second.

Not sure I understand, but:

I believe Tramo/Seats only allows a single holiday series.

Silly question, but you currently have the sample set to 2010 onwards. If you scroll down on the date series, are the dates available from 2010 onwards...?

Then give each series a different name.

Looks like you have a few data errors. If you open up REGION, VAR01 and VARIABLE as a group, then click on View->N Way Tabulation, only check "Count", and uncheck the "Group into bins" options, you'll get a tabulation of all the combinations of values. There should be only one co...