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Re: st: Average of previous years


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Average of previous years
Date   Sat, 9 Apr 2011 17:19:48 +0100

Suppose you have -tsset- your data. Then this is

gen y = (L1.x + L2.x + L3.x + L4.x + L5.x)

Nick

On Sat, Apr 9, 2011 at 4:29 PM, emanuele mazzini
<madsoenistata@gmail.com> wrote:
>
> i do have the following problem in generating a new variable: I need
> to generate a variable which takes the value of the average values of
> the five preceding years of another variable that I have in my
> dataset.
> In other words, supposing my new variable is y at time t, I need that
> its value is equal to the average of another variable (say x) from t-1
> to t-5.
>
> Since I am just beginning in using Stata anyone knows how can I deal
> with this or find any help?
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