From the course: Coding Exercises: Scala

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Evaluate a decision tree

Evaluate a decision tree - Scala Tutorial

From the course: Coding Exercises: Scala

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Evaluate a decision tree

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(computer whirling) (computer chiming) (computer whirling) - [Instructor] Decision trees are a useful way to systematize decisions. In this challenge, we're going to give you a decision tree, and we want you to evaluate it, which means to find the decision it would make, given input. To keep them simple, our decision trees make choices based on a single number and give only true or false output. The trees have two branches. The left branch is for input less than or equal to a given number, and the right branch is for input that's greater. Your job is to implement the decide method, which is given on the code we provided. Now pause the video and come back when you've completed the challenge to see how I did it. (computer whirling) (videogame music) (computer chiming) (computer whirling) So as usual, I'm starting with the skeleton we provided to you, which has a decide method here, and the definition of the decision…

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