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Re: st: How to calculate weighted mean
From
Xixi Lin <[email protected]>
To
statalist <[email protected]>
Subject
Re: st: How to calculate weighted mean
Date
Thu, 5 Dec 2013 13:31:04 -0500
Hi Nick,
Thanks for pointing this out. Btw, is it possible for egen to both run
by country and by period? My code seems to be not working that way.
Best,
Xixi Lin
On Thu, Dec 5, 2013 at 1:12 PM, Nick Cox <[email protected]> wrote:
> That is a user-written program from SSC. You need to install it using
>
> . ssc inst _gwtmean
>
>
> Nick
> [email protected]
>
>
> On 5 December 2013 18:07, Xixi Lin <[email protected]> wrote:
>> Hi,
>>
>> I am trying to calculate weighted average return by country and by
>> period. Here is my code:
>> egen capweight_return = wtmean(Return_lead1), weight(Market_Cap),
>> by(Country, Period)
>>
>> But the stata says "unknown egen function wtmean()", does anyone knows
>> how to fix that?
>>
>> Thanks.
>>
>> Best,
>> Xixi Lin
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