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Ensemble Machine Learning by Ankit Dixit

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Case study – car evaluation problem

So we have successfully built a decision tree, but what next? Is it useful in practical scenarios? Will it perform for a real-world dataset? We have put in so much effort to write and understand this code. Now is our exam time. Let's pick up a practical-world dataset and apply that code to build a tree to see whether it is useful stuff or not.

We will use the car evaluation dataset, which is available at https://archive.ics.uci.edu/ml/datasets/Car+Evaluation. This dataset was created by Marko Bohanec in June 1997. It was specifically developed for testing constructive induction and structure discovery methods, and it can also be used for multi-attribute decision making (which is what we are actually doing). ...

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