Test that creates a random set of points distributed *near* the * circumference of a circle and trains an SOM that finds that circular pattern. * The following [CSV](https://en.wikipedia.org/wiki/Comma-separated_values) * files are created to validate the execution: * * `test1.csv`: random test samples points with a circular pattern * * `w11.csv`: initial random map * * `w12.csv`: trained SO
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