Note: The code here is from Jason Brownlee's machine_learning_mastery_with_python book. It's slightly updated and documented for my educational purpose.
You can get the data set from: [Sonar Mines vs Rocks dataset](https://archive.ics.uci.edu/ml/datasets/Connectionist+Bench+(Sonar,+Mines+vs.+Rocks)
The file "sonar.mines ...
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