demo002

 DEMO002 A 3D SOM example

 This demo shows how to:

   - Generate a training set of data points in the input space
   - Plot the training set
   - Initialize a 3D SOM object with size {7,7,7}
   - Plot the initialized SOM along with the input data
   - Plot the SOM and the data in the input and output space
   - Plot the SOM planes
   - Compute some other types of maps
   - Project data of cloud 1 on the visualization space and plot
   - it along with its activation map