Minus first obs with second obs

Calcite | Level 5

Minus first obs with second obs

Posted 09-23-2008 02:44 AM (937 views)

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

1 REPLY 1

Tourmaline | Level 20

Re: Minus first obs with second obs

Posted 09-23-2008 08:30 AM (933 views) | In reply to R_Win

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

/Linus

Data never sleeps

Minus first obs with second obs

Re: Minus first obs with second obs

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