[Limdep Nlogit List] Experimental Design Software for Conjoint

[Abdulbaki Bilgic]

Check http://www.statisticalinnovations.com for Latent Gold.
Good luck

--- infocorp <infocorp at ozemail.com.au> wrote:

> Dear Limdep Users,
> 
> Is anyone able to recommend affordable experimental design generation
> software which directly generates conjoint designs when attributes
> have
> varying numbers of levels.
> 
> An hypothetical example of a conjoint task is:
> 
> 1 x 2 level attribute
> 1 x 3 level attribute
> 1 x 4 level attribute
> 1 x 5 level attribute
> 1 x 6 level attribute
> 1 x 7 level attribute
> 
> SAS QC suggests generating designs with PROC FACTEX using powers of
> prime numbers and then collapsing levels.
> 
> The 2 level attribute would be generated directly; the 3 level
> attribute
> would be generated by interacting two 2 level attributes to give 4
> levels, 2 of which would be collapsed; and so on until the 7 level
> attribute would be generated by interacting three 2 level attributes
> to
> give 8 levels, 2 of which would be collapsed.
> 
> Is there software available which will produce a design directly from
> the specification above?
> 
> Ron
> 
> 
> 
> 
> 
> _______________________________________________
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> Limdep at limdep.itls.usyd.edu.au
> http://limdep.itls.usyd.edu.au
> 


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