Decision tree visualization python1/18/2024 ![]() ![]() The nodes without child nodes are called leaf nodes (in the picture above leaf nodes are green circles). The vertices of a tree are known as nodes (blue circles in the picture above). The edges of a tree (in the picture above they are visualized as arrows) are called branches. ![]() Also, you are aware that a Decision Tree is a Machine Learning algorithm used to solve both Regression and Classification ML tasks. Thus, you now know the basics of ML terminology. Accuracy, Precision, Recall, and many other ML metrics can be used to evaluate an ML algorithm on a Classification task.MAE, MSE, and many other ML metrics can be used to evaluate an ML algorithm on a Regression task.ML metrics are the metrics that are used to evaluate the performance of an ML algorithm on a specific ML task. Decision Tree both for Regression and Classificationįinally, there are ML metrics.Logistic Regression for the Classification task.Linear Regression for the Regression task.Clustering task (automatically groups similar objects into sets)Įach ML task has plenty of Machine Learning algorithms that can be used to solve a certain ML task.Classification task (identifies which category an object belongs to).Regression task (predicts a continuous-valued attribute associated with an object).You are familiar with some of the ML tasks, for example: An ML task is a task that needs to be solved using Machine Learning having the problem that needs to be solved, the type of prediction that needs to be made, and the available data. As you might know, it all starts from the Machine Learning task. To start with, it is important to use the correct Machine Learning terminology to understand the exact place of Decision Trees in the grand scheme of things. Real-Life Applications of Decision Trees.How to optimize the performance of a Decision Tree>.How to work with Decision Trees using Python?.Advantages and disadvantages of a Decision Tree.How are the splits made when building a Decision Tree?.Among these simple models, there is one that differs a lot from the rest – a Decision Tree algorithm. This is why at the beginning of each ML project simple models are usually applied to the task as they will at least help to create a baseline to beat. To tell the truth, some Data Scientists state that simple models have the potential to work as well as complex ones. Anyway, if you ever get in such a spot the best thing you could do is to start working with something simple, for example, Linear or Logistic Regression while aiming to try more complex models later on. So, when choosing an algorithm for an ML project you might get lost as there are too many opportunities to explore. Nowadays there are many Machine Learning (ML) algorithms that can be applied to the same task. ![]()
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