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philospher
2009 Feb 15
1
MDS with ranking data (and transformation)
...particular ranking (score) for that philospher (i.e. a number
between 1:10)
I guess such a transformation would also allow me to do clusteranalysis? -
But how to do it???
Anyways: what I have done so far is to compute a 10*10 matrix in a
spreadsheet application. I do this by
countif(range_choice1=philospher1)*10 for each philospher.
In ?range_choice2? I multiply by 9, and in ?range_choice3? I multiply with 8
etc.
The corresponding matrix I import to r and do
dist(t(matrix)
and then I use cmdscale$points to draw a plot. It looks nice but I am almost
sure I'm doing it wrong. And I would certainly l...