Figure 1 - A screen capture of the wsom program in action [6] 6

Figure 2 - Tom Germano's Java applet in action 7

Figure 3 - The results of JavaSOM in SVG format 7

Figure 4 - 8 colors mapped onto a 2D grid by a SOM [2] 9

Figure 5- Graph of a discrete neighborhood function 10

Figure 6 - Graph of a Gauss neighborhood function [3] 11

Figure 7 - Graph of a mexican hat neighborhood function [4] 11

Figure 8 – Box plot of the iris data set 15

Figure 9 - Scatterplot of the Iris data set 15

Figure 10 - Neuron map of the Iris dataset 16

Figure 11 - Weight change ratio whil training the Iris data set 16

Figure 12 - Best matching units found while training on the Iris dataset 17

Figure 13 - Neuron heatmap from the Iris dataset 17

Figure 14- Weights change average of the Iris data set 18

Figure 15 - Weights change graph of the Iris dataset 18

Figure 16 - Decreasing neighborhood radius 19