Parameter

Standard SOM

The size of a map

16 × 5 (49 × 15)

Grid

Hexagonal

Type

Toroid

H

Gaussian

Training mode

Batch

Rough initial

0.5

Fine initial

0.01

Number of epochs at the rough tuning

1000

Learning rate at the rough tuning

0.5

Initial radius of training

3

Number of epochs at the fine-tuning

2000

Learning rate at the fine-tuning

0.05

Final radius of training

1