Re: [R] self organizing map advice for categorical data

George Chen schrieb: Hello, Could anybody offer any advice about implementing a Kohonen self organizing map for categorical data? Specifically I am wondering if there are any pre-existent packages that can deal with categorical data and/or how one would compare the input vector of categorica

[R] Self Organizing Map

Dear list, I really appreciate previous suggestion about self organizing map. I tried to perform SOM analyses with kohonen, som and class packages, but it's not clear to me if these packages are complete to: 1) cluster neurons according to their similarities (U-matrix); 2) assign to SOM neurons va

Re: [R] Self-Organizing Map analysis

glaporta freeweb.org> writes: > > Dear list, > I read the SOM package manual but I don't understand how to perform (for > example) 1) the SOM analysis on Iris data 2) with a visualization similar to > that of figure 7 in > http://www.cis.hut.fi/projects/somtoolbox/package/papers/techrep.pdf In

[R] Self-Organizing Map analysis

Dear list, I read the SOM package manual but I don't understand how to perform (for example) 1) the SOM analysis on Iris data 2) with a visualization similar to that of figure 7 in http://www.cis.hut.fi/projects/somtoolbox/package/papers/techrep.pdf Any suggestion? Thanks in advance, Gianandrea -