Help using Base SAS procedures

Minus first obs with second obs

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Regular Contributor
Posts: 229

Minus first obs with second obs

In a dataset i have two variables id,sal now i want the first observation of id should be minused from another observation i.e second observation of sal like that
Super User
Posts: 5,424

Re: Minus first obs with second obs

I believe that this has already been answered in a previous thread of yours...?

/Linus
Data never sleeps
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