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Gradient boosting decision trees

Dataconomy

Gradient boosting decision trees (GBDT) are at the forefront of machine learning, combining the simplicity of decision trees with the power of ensemble techniques. Understanding the mechanics behind GBDT requires diving into decision trees, ensemble learning methods, and the intricacies of optimization strategies.

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How to build a decision tree model in IBM Db2

IBM Journey to AI blog

In this post, I will show how to develop, deploy, and use a decision tree model in a Db2 database. Using examples from the dataset, we’ll build a classification model with decision tree algorithm. Since I will create a decision tree model, I don’t need to deal with the large value and the missing values.

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Data mining

Dataconomy

Classification Classification techniques, including decision trees, categorize data into predefined classes. Decision trees and K-nearest neighbors (KNN) Both decision trees and KNN play vital roles in classification and prediction. This approach is useful for predicting outcomes based on historical data.

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Bagging in machine learning

Dataconomy

Base model training Next, each bootstrap sample undergoes independent training with base models, which can be decision trees or other machine learning algorithms. Definition and purpose The Bagging Regressor is an application of the bagging method designed for regression analysis.

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Predictive modeling

Dataconomy

Definition and overview of predictive modeling At its core, predictive modeling involves creating a model using historical data that can predict future events. Unsupervised models Unsupervised models typically use traditional statistical methods such as logistic regression, time series analysis, and decision trees.

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Extrapolation and interpolation

Dataconomy

These two techniques, while related, have distinct definitions and applications. Definition of extrapolation Extrapolation involves estimating unknown values that lie outside the range of your known data points. Decision trees: Estimation methods help build these algorithms, enhancing their predictive power.

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Supervised learning

Dataconomy

Definition of supervised learning At its core, supervised learning utilizes labeled data to inform a machine learning model. Common algorithms used in classification tasks include: Decision Trees: A tree-like model that makes decisions based on feature values.