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Re: st: smart averaging
From
Fernando Rios Avila <[email protected]>
To
[email protected]
Subject
Re: st: smart averaging
Date
Wed, 22 Feb 2012 19:58:03 -0500
Hi,
If you are trying to average it only for those without missing
variables, the easier process could be:
1. identify number of missing observations by id
2. average for all
3. replace by missing value if the number of missing values is higher than 0
F
On Wed, Feb 22, 2012 at 7:54 PM, Murat Mercan <[email protected]> wrote:
> Hi,
>
> I have the following problem I have been unable to decipher. I have the
> following data set:
> id year income
> 1 2006 100
> 1 2007 50
> 1 2008 .
> 1 2009 .
> 2 2006 50
> 2 2007 50
> 2 2008 50
> 2 2009 50
> I want to average the income variable for those four years. I tried to use
> the following command:
>
> bys id: egen average_inc = mean(income) if inrange( year,2006,2009)
>
> However, that averages person 1's income, too. I need to average just
> person 2's income.
> Can anyone suggest how to do that? Thank you in advance.
> Murat
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