Re: st: proper use of if

[Sergiy Radyakin <serjradyakin@gmail.com>]

predict ehat if e(sample), res

On Tue, Nov 16, 2010 at 11:32 AM, Rodrigo Briceño <rjbriceno@gmail.com> wrote:
> Dear Stata Listers. I'm using Stata 9.2 and Windows XP.
>
> I have a panel with 324 bonds (identified with the variable isin2)
> with 54 observations in time (monthly series). I'm running several
> individual (for each bond) time series regression:
>
> quietly regress liq sap liqmk m2 m3 m4 m5 m6 m7 m8 m9 m10 m11 m12 mes
> pprom if isin2==1
> predict ehat, res
>
> When I run the command the residuals are generated for all the 17496
> observations, instead of just 54 observations as correctly
> corresponds. My question to the list is if there are some command that
> allows me to produce the required results just for the 54 observations
> considered each time. I'm using if, since not all the 324 bonds are
> going to be used in the regression process.
>
> Thanks.
>
> --
> Rodrigo Briceño
> Economist
> rjbriceno@gmail.com
> MSN: jbric98@hotmail.com
> SKYPE: rbriceno1087
>
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