Questions

What is difference between decision tree and regression tree?

What is difference between decision tree and regression tree?

The primary difference between classification and regression decision trees is that, the classification decision trees are built with unordered values with dependent variables. The regression decision trees take ordered values with continuous values.

What is the difference between a decision tree and a flowchart?

Decision trees are different from flowcharts because flowcharts are used to describe the tasks involved in a process, which could include multiple decisions along the way. Decision trees are for a single decision or classification.

What is decision tree in ML?

Introduction Decision Trees are a type of Supervised Machine Learning (that is you explain what the input is and what the corresponding output is in the training data) where the data is continuously split according to a certain parameter. The tree can be explained by two entities, namely decision nodes and leaves.

What is Gini index in decision tree?

Gini Index, also known as Gini impurity, calculates the amount of probability of a specific feature that is classified incorrectly when selected randomly. While designing the decision tree, the features possessing the least value of the Gini Index would get preferred.

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How do you describe a decision tree?

A decision tree is a tree-like model that acts as a decision support tool, visually displaying decisions and their potential outcomes, consequences, and costs. From there, the “branches” can easily be evaluated and compared in order to select the best courses of action.

What is the decision tree?

A decision tree is a flowchart-like structure in which each internal node represents a “test” on an attribute (e.g. whether a coin flip comes up heads or tails), each branch represents the outcome of the test, and each leaf node represents a class label (decision taken after computing all attributes).

Is decision tree regression or classification?

Decision tree builds regression or classification models in the form of a tree structure. It breaks down a dataset into smaller and smaller subsets while at the same time an associated decision tree is incrementally developed.