Thanks Bert,

Not sure how I missed that one.

Best,


On 4/24/14, 11:50 AM, Bert Gunter wrote:
> google on "perceptual mapping with R"
>
> Here is one of the hits:
>
> http://marketing-yogi.blogspot.com/2012/12/session-4-rcode-perceptual-maps.html
>
> It does not look like mds. It appears to be  (closely related to?) PCA.
>
> Cheers,
> Bert
>
> Bert Gunter
> Genentech Nonclinical Biostatistics
> (650) 467-7374
>
> "Data is not information. Information is not knowledge. And knowledge
> is certainly not wisdom."
> H. Gilbert Welch
>
>
>
>
> On Thu, Apr 24, 2014 at 10:20 AM, Noah Silverman <noahsilverman@ucla.edu> wrote:
>> Hi,
>>
>> Someone just asked me to analyze a fairly large data set using something
>> they called "perceptual mapping".  I'm not familiar with the term, but a
>> quick check in Google seems to indicate that it is just another term for
>> Multidimensional Scaling.  However, they insist that it is something
>> different.
>>
>> Is anybody here familiar with "perceptual mapping" with multidimensional
>> data?  If so, can you point to me to any examples using R?
>>
>> Thanks,
>>
>>
>> --
>> *Noah Silverman, PhD* | UCLA Department of Statistics
>> 8117 Math Sciences Building, Los Angeles, CA 90095
>>
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>>
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-- 
*Noah Silverman, PhD* | UCLA Department of Statistics
8117 Math Sciences Building, Los Angeles, CA 90095
Tel: (323) 899-9595

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