Is there somebody with experience using Multidimensional Scaling for Java (MDSJ) libraries to produce 3D diagrams from dimensional / dissimilarity matrices or using another java open source or free java library?
I am using the java library mdsj.jar from http://www.inf.uni-konstanz.de/algo/software/mdsj/ version 0.8 2008 (there is a newer one from 2009) but I am having problems with verifying the results against results provided using R.
We never tried to use Java for making a MDS. But we also used R. The R MDS results differed a bit to the results in SPSS...
Thanks very much I'll check this out, it seems an interesting reference!
Fyi: Now, I figured out how to use the library MDSJ and also how to produce MDS 3D representations starting from perceptual parameters.
I start with the parameters, in this case 24 and transform them in distances, produce the MDS matrix and then display in 3D, all using Java libs.
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