[R] Kruskal's MDS results

[Dieter Vanderelst]

Thank you for clearing this out.

Jari Oksanen wrote:
> Dieter Vanderelst <Dieter.Vanderelst <at> ua.ac.be> writes:
> 
> 
>> The point is that the manual for the isoMDS function says it's stress output
> is in "percent". Does this mean,
>> the stress reported by isoMDS is just the stress value in MASS (which ranges
> from 0 to 1) value multiplied by
>> 100? I've haven't been able to find any resource that expresses stress in
> values from 0 to 100. So, this
>> would be a convention introduced by the authors of the package?
>>
> A comment about novelty of using percentages. I also had a look at some NMDS
> resources, and the first I found were two Kruskal's papers that happened to be
> on my desk (Psychometrika 29, 1-27 and Psychometrika 29, 115-129, both from
> 1964). Both of these expressed stress in percents. Certainly this is not a
> convention introduced by the authors of the package, since they are much too
> young to have done that prior to 1964.
> 
> Cheers, Jari Oksanen
> 
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