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# Re: st: Sum variable over all countries excluding observations from nth country

 From Olivia Bacha To statalist@hsphsun2.harvard.edu Subject Re: st: Sum variable over all countries excluding observations from nth country Date Sat, 1 Sep 2012 16:10:19 +0100

```Try this:

egen sum_x=total(x)
gen Sum=sum_x - x

Best,

2012/9/1 sanjesh kumar <kumarsanjesh2004@yahoo.com>:
> Dear Statalisters
>
> i would like to seek help from you guys. i have a variable which varies across countries over time. say i have 100 countries in year 2000 for a variable X. i want to  create a sum of variable X over all countries leaving the observation of nth country. this i need to do for each country. for example i have
>
> country                 year            x               Sum(x)
> Australia                2000          6                    16
> New Zealand         2000          4                    18
> United States         2000          8                    14
> UK                         2000          3                    19
> China                     2000          1                    21
>
> i would like to get a command which gives me the values in the last column. for Australia the values in the last column is 16 (=4+8+3+1), for New Zealand it is 18 (=6+8+3+1), for United States it is 14 (=6+4+3+1) and for other countries it follows the same pattern. i would like to do this for all the countries in my sample and for every year.
>
>
> thanks
> sanjesh
>
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```