Decision Tree

A type of model that acts like an if-else statement.

---

A split is made for each feature in the data. If the feature of a certain data sample is larger than or less than the split for that respective feature, the next appropriate split is made.

Below is an example determining whether a car is fast or slow.

flowchart TB
  A([Weight < 2000kg])
  B([Is Engine Powerful])
  C([Is Windy Day])
  D1([Car Is Fast])
  E1([Car Is Slow])
  D2([Car Is Fast])
  E2([Car Is Slow])


  A -- Yes --> B
  A -- No --> C
  B -- Yes --> D1
  B -- No --> E1
  C -- Yes --> E2
  C -- No --> D2