Nishant:
Stata doesn't know that you previously logged a variable. It just sees
a column in your dataset that contains numbers, what they mean or what
you've done to it, Stata does not know.
HTH,
Maarten
--- Nishant Dass <[email protected]> wrote:
> I would like to be able to make a statement like "a 1%
> change in lnx results in so many % change in y", so which
> of the following would be correct?
>
> mfx c, var(lnx) dyex
> OR
> mfx c, var(lnx) dydx
>
> The cause of confusion is whether Stata takes the logarithm
> of a variable or uses an already-"logged" variable in
> calculating the marginal effects. (If it simply uses
> already-"logged" variables, then what is the use of options
> other than "dydx"?)
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting adress:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
___________________________________________________________
Try the all-new Yahoo! Mail. "The New Version is radically easier to use" � The Wall Street Journal
http://uk.docs.yahoo.com/nowyoucan.html
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
