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So in essence you're really asking how to create an index series based upon a certain date: series xidx = x/@elem(x, "1991m1")*100 Thanks. This is helpful. I also want to compare the recovery paths after several recessions. In other words, the identifier for each series is not a date, but...

There are two interpretations to that question. The first is "what is the mathematical way of defining the troughs", the second is "How do I do that in EViews". I can't figure out which one you're asking. Sorry for not being clear. What I am asking is the second part of the ques...

Hello- I have a question on data manipulation. I would like to study the recovery path after each U.S. economic recession. Say, I have a monthly data series on the U.S. industrial output. What is the easiest way for me to convert this data into several series that index the trough month of each rece...

Eviews Gareth: thank you so much! It really helps. series z = @recode(@month=1,y,d(y)) Where y is the series that contains year-to-date, and z is the series you want to contain levels. For what it is worth, to go the other way (i.e. from levels to year-to-date), you could do: series y = @recode(@mon...

trubador: thanks a lot for your help. The second question is solved (I was thinking the same approach but was wondering if there is a simpler command to do it, like rebase( ) :) However, with regard to my first question, the problem remains. My data is multi-year data, so if I replace z(1)=series(1)...

I have a series which is cumulative monthly data (that is, Jan is Jan's data, Feb is the sum of Jan and Feb, and so on). What is the best way to convert it to non-cumulative monthly data? Thanks. Also, a separate question: what is the command in Eviews to create a index, say Jan 2006=100? Thanks so ...