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 categoricals with the self organizing map nodes.
Thanks in advance.
George Chen
Yes, there is a very nice one with excellent graphics, see article:
Ron Wehrens, Lutgarde M. C. Buydens (2007) Self- and Super-organizing
Maps in R: The kohonen Package. Journal of Statistical Software 21(5).
http://www.jstatsoft.org/v21/i05
Hope it helps
Thomas Petzoldt
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
