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I ask if @nan does't exist.
Great!, @nan(mytrend(-1) , 0) + 1.

If there is not the function @nan? how can do solve this?

Perfect, thank you a lot.
for (2-4) how can fix NA of the first two observation by code?

It help me. Thank you (honestly the weekly frequency is very complicated) Just a last two question: 1°This produce value one, for the first week , this is the only way to do this. (for last week there is three way to do this). series first_week=@date<@datefloor(@date, "mm")+7 2°I would to ...

After some manipulation from your code, i have solved my two cases for unstructured and quarterly frequency, but for weekly i need your help. This part of your code generate value one to the last week. series mytrend = @recode(@recode(@month<@month(1),1,0)=0,0,1) So, how can generate value one for: ...

Probably, I asked too many questions. make some many tricks of special cases, would be difficult for me.

Good. Can i asking another questions? just by curiosity. Are there another way for: Here's the first way that springs to mind: series mytrend = @recode(@recode(@month<@month(1),1,0)=0,0,@cumsum(@recode(@month<@month(1),1,0))) I need that for quarterly and unstructured and weeky: Quarterly: 2004q1 an...

Sometimes I do not find the words to express myself well.
Yep!.

Weeks and months do not align. day at the beginning of next week "a Friday" is within the next month.

The day of the week in my workfile structured on Friday.

If i understand:
my first week start on "Friday" 02/01/2004 for January
my last week start on "Friday" 30/01/2004 for January

Hi for everyone, I have three workfile with three different frequency from 2004 to 2015 in three workfile (weekly "02/01/2004 25/12/20015", quarterly "2004q1 2015q4, unstructured 80 observation). i need that: for weekly: the last week of "Jan" take value 1, the last week of ...

thanks for your help, thanks a lot.

hi Rebecca
I have a simple suggestion :
can you show the regression output of the first step in equation object in the spool object results, just to show Sdr-error and t-stat.....
and very useful add-in. Thanks for sharing.
Kind Regards.

hi eviews team,
i have seen that i can make LAD with EViews 8, but can EViews built-in 2SLAD (Two Stage Least Absolute Deviations Estimators) in the next version.

nice day.