At 05:42 PM 6/26/2008, jimjohn wrote:
>i have one variable that is a date, another variable that has a rate
>for each date, then i have a third variable that has another rate
>for each date. i ran a correlation on these two variables i think
>that there is a lag effect, that my third variable needs to be
>lagged 1,2,or 3 months behind for it to be really highly correlated
>with my second variable.
What's the matter with
COMPUTE Third.1 = LAG(Third,1).
COMPUTE Third.2 = LAG(Third,2).
COMPUTE Third.3 = LAG(Third,3).
Lag(x,1) and LAG(x,2) are available under Miscellaneous functions in
the Compute Variable dialog under menu Transform.
And all this is available in SPSS documentation, which may be why you
haven't heard back before.
> Is there any way I can change my third variable like this so that
> every rate goes up so many rows? Thanks!
>--
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http://www.nabble.com/how-to-lag-a-variable--tp18143745p18143745.html>Sent from the SPSSX Discussion mailing list archive at Nabble.com.
>
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