Thanks, Richard. I understand that - predlog - is useful for OLS regression.
What if you are using models like treatreg or heckman or other two-part
models? Would - predlog - still work?
Cheers,
Shehzad
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Richard Goldstein
Sent: 02 June 2008 13:28
To: [email protected]
Subject: Re: st: prediction after y-logged regression
type -findit predlog-
Rich
Shehzad Ali wrote:
> Hi Listers,
>
> I am running a regression in which y variable is logged
> (semi-logarithmic). The literature suggests that in order to get an
> anti-logged prediction of yhat, one should proceed like this:
>
> 1. Run the regression and predict yhat,
>
> 2. Then exponentiate the predicted yhat, and finally
>
> 3. Mutiply the exponentiated predicted yhat by the mean value of
> residuals from the regression (otherwise known as smearing).
>
> I was wondering if there is a direct way to do it in stata or if there
> is any other method that experts would suggest to get anti-logged
> prediction.
>
> Thank you,
>
> Shehzad
>
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