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Hi, I'm working with a time series dataset and, in order to implement a Lasso estimation, I wanted to do a tunning for the lambda parameter. My question is: there is any native option on eviews for doing that, respecting the chronological order of the dataset during the Cross-validation test? Thanks...

Hi, I'm trying to use the function DLOG at a group of explanatory variables (xvars) so that I don't need to write all of them one by one. Here what I came up wtih: %lista = "" for !i = 1 to xvars.@count %v = xvars.@seriesname(!i) %lista = %lista + " dlog(" + %v + ")" ne...

Thanks a lot!

Hi, that is the first thing I'm trying to do. As an example, I need to shift down (x2 and x3) and shift up x4, to ensure all of them to be aligned at Mar-25, the date I'm forecasting. So, I'll have not to worry about lagging this variables later.

Hi, I'm writing a code to run a machine learning model (lasso, ridge, etc) and need to organize the dataset variables so that they are all aligned with the last date of the endogenous variable plus 1 (+1). Or more generally, plus h, where h is the forecast horizon. Can you help me wtih that? Thanks ...

hI, I'm trying to build a prg code to implement the U-midas transformation on a group of N monthly variables, that is, for each monthly variable n, it creates 3 quartely ones (n1, n2 and n3). The first will only collect the first motnhs for each quarter values (jan, apr, jul, oct), the second only t...

You'll have to go in to more detail on exactly what you want.

But, perhaps, if you look at the equation's Representations view (View->Representations), you'll see at least one term that starts with @midas( ). If you copy that expression, you can assign it into a series.

Thanks a lot

Hi,

i'm trying to save the monthly explanatory variables after the transformations via any of the options available (almon, step, beta, etc). Is it possible? What would be the code for that?

Thanks in advance