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Re: st:Help on egen mean variable by state and industry

From   Nick Cox <>
Subject   Re: st:Help on egen mean variable by state and industry
Date   Sun, 9 Oct 2011 14:41:08 +0100

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On Sun, Oct 9, 2011 at 1:32 PM, prakash singh <> wrote:
> Thanks a lot Nick.
> One more question not related to the main query.
> Though, I am subscribed to the statalist but I find defficulty in
> posting my queries. Today also it bounced two times.
> Any suggestion
> thanks
> Prakash
> On 10/9/11, Nick Cox <> wrote:
>> Looks fine to me. The -by()- option is undocumented in recent versions
>> of Stata, but works fine.
>> For "STATA" read "Stata".
>> Nick
>> On Sun, Oct 9, 2011 at 12:20 PM, prakash singh <> wrote:
>>> I am working with a polled cross section data of firm from different
>>> states of India on STATA 10. I want to generate a variable sales_m
>>> where sales_m is mean sale of firms in a industry within a state. Now
>>> I use this command
>>> egen sales_m = mean(sales), by (state industry)
>>> Now I have this boubt that, am I writing the syntex correctly or not
>>> to creat the variable correctly.
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