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information entropy

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Model Perspective
Model Perspective
Sep 12, 2023 · Fundamentals

What Is Information Entropy? Definition, Calculation, and Decision Tree Applications

This article explains the concept of information entropy, its mathematical definition, how to compute it for simple events like coin flips and dice rolls, and demonstrates its role in decision‑tree learning by calculating information gain for a watermelon dataset.

Machine Learningdecision treeinformation entropy
0 likes · 11 min read
What Is Information Entropy? Definition, Calculation, and Decision Tree Applications
Yuewen Technology
Yuewen Technology
Apr 1, 2022 · Artificial Intelligence

Detecting Emerging Terms in Web Novels: PMI, Entropy, and TF‑IDF Methods

This article explores how to automatically discover new words in Chinese web novels by combining n‑gram statistics, pointwise mutual information, information entropy, and TF‑IDF filtering, presenting a practical, unsupervised pipeline that improves tokenization and search recall without manual labeling.

Chinese text miningNLPPMI
0 likes · 14 min read
Detecting Emerging Terms in Web Novels: PMI, Entropy, and TF‑IDF Methods