mdscale | invalid input arguments of type 'double'
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Am I going crazy for does the example on this page:
Not work in MATLAB 2012b? I'm running this on a 64 bit linux. Here what I get after typing the following line:
[Y,stress,disparities] = mdscale(dissimilarities,2);
Undefined function 'lsqisotonic' for input arguments of type 'double'.
Error in mdscale>MDS (line 481) disparities = lsqisotonic(dissimilarities, distances);
Error in mdscale (line 390) [Y,stress,~,disparities] = MDS(Y0,dissimilarities,weights,stressFun,metric,weighted,options);
Don't understand much of it. The input matrices appear to be of the appropiate type (real) according to the documentation. I've tried this on my own data as well and get the same error message. Any clues?
Thanks, Charles.
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Accepted Answer
Walter Roberson
on 13 Feb 2013
Please use
which -all mdscale
which -all lsqisotonic
My suspicion would be that you do not have the stats toolbox installed correctly. If you upgraded "in place" overtop of an existing version, you might need to clean out and reinstall.
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