Top "Self-organizing-maps" questions

Type of Neural network (unsupervised learning).

Self Organizing Map (SOM) Implementation

I'm looking for a C, C++ or Java based SOM implementation with licensing applicable for commercial use (non-zero cost is …

c++ c som self-organizing-maps
Kohonen Self Organizing Maps: Determining the number of neurons and grid size

I have a large dataset I am trying to do cluster analysis on using SOM. The dataset is HUGE (~ billions …

machine-learning neural-network self-organizing-maps
How do I make a U-matrix?

How exactly is an U-matrix constructed in order to visualise a self-organizing-map? More specifically, suppose that I have an output …

machine-learning neural-network som self-organizing-maps
Is it right to normalize data and/or weight vectors in a SOM?

So I am being stumped by something that (should) be simple: I have written a SOM for a simple 'play' …

machine-learning neural-network normalization som self-organizing-maps