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Re: st: displaying summation of a variable


From   Alan Neustadtl <alan.neustadtl@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: displaying summation of a variable
Date   Tue, 24 Jan 2006 13:24:53 -0500

One way is to use summarize and access the saved result.

For example

sysuse auto
sum price
display "Sum="r(sum)

return list will show you the saved results.

Best,
Alan


On 1/24/06, b. water <barleywater@hotmail.com> wrote:
> dear statalisters,
>
> Stata 8.2 Window XP Pro SP2,
>
> i have a variable 'total', which represents population (no. of persons) per
> observation. what i wanted is quite simple - simply to sum(total) to give
> the overall total no. of person in the dataset. so i did egen
> sumpopn=sum(total), which created a variable sumpopn filled with a constant
> equalling the overall sum, then took a peek at it using display sumpopn. it
> does the job... but is there a shorter way of doing this without -egen- ing
> a new variable (i know i can always -drop sumpopn- later)?
>
> regards,
> bw
>
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