Michael, I apologize for not mentioning xi3--a program
I like very much and use often.
--- "Mitchell, Michael" <[email protected]> wrote:
> Greetings
> Sorry to jump in the middle of a conversation, but
> Tim Wade mentioned
> a wish about being able to create interaction terms
> and mentioned
> "desmat" for doing this. I also wanted to make a
> pitch for "xi3" for
> doing this and then "postgr3" for graphing the
> predicted values
> afterwards.
> A quick rundown about "xi3" can be found at
> http://www.ats.ucla.edu/stat/stata/faq/xi3.htm with
> more at
>
http://www.ats.ucla.edu/stat/stata/webbooks/reg/chapter5/statareg5.htm
> .
> Information on "postgr3" can be found at
>
http://www.ats.ucla.edu/stat/stata/ado/analysis/postgr3.htm
> and an
> example showing graphing a continuous by continuous
> interaction can be
> found at
>
http://www.ats.ucla.edu/stat/stata/code/graph_concon_int.htm
> .
> But, please read the help file for "postgr3" and
> note its limitations.
> As always, all visitors are welcome to our Stata
> Resources page at
> http://www.ats.ucla.edu/stat/stata/ and our Stata
> Portal at
> http://statcomp.ats.ucla.edu/stata/default.htm .
>
> Happy computing,
>
> Michael Mitchell
> Statistical Consulting Group
> UCLA Academic Technology Services
> http://www.ats.ucla.edu/stat/
>
>
> *
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> *
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> * http://www.ats.ucla.edu/stat/stata/
>
=====
[email protected]
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