R code of Self-Organizing Map (SOM)

This is R code to run Self-Organizing Map (SOM).

Please download the supplemental zip file (this is free) from the URL below to run the SOM code.

http://univprofblog.html.xdomain.jp/code/R_scripts_functions.zip

Please place the supplemental files at the same directory or folder as that of the SOM code.

The way to use the codes is written in the URL below.

https://medium.com/@univprofblog1/self-organizing-map-som-r-code-all-you-have-to-do-is-just-preparing-data-set-very-simple-b000ae1cbb10#.1i9q527wb