Re: st: Is there an alternative to -adjust-?

[Richard Williams <richardwilliams.ndu@gmail.com>]

At 04:01 PM 12/23/2011, Ariel Linden, DrPH wrote:
> Hi Stata Gurus,
>
> I was wondering if there is an alternative to -adjust- in version 12 that
> can generate predictions? According to the help file,
>
> " adjust has been superseded by margins.  Except for adjust's generate() and
> stdf options, the margins command can do everything that adjust did and
> more...."  "adjust continues to work but does not support factor variables
> and will often fail if you do not run your estimation command under version
> control, with the version set to less than 11.  This help file remains to
> assist those who encounter an adjust command in old do-files and programs."
>
> This suggests to me that this command (performing this particular function)
> may be phased out. If so, what will replace the following:
>
> ********* code*******************
> regress price mpg rep78 headroom trunk weight length foreign
> adjust foreign=1, by(foreign) gen(m1)
> adjust foreign=0, by(foreign) gen(m0)
>
> *********************************

Hardly anything disappears forever in Stata. If nothing else, you 
could probably add a -version 10- command to the top of your code. 
Also see slide 29 of http://www.nd.edu/~rwilliam/stats/Margins01.pdf 
for an example of how to compute adjusted predictions and marginal 
effects for individual cases using Stata 11 or 12. A -gen- function 
for margins is on my personal wish list.


-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
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