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Model Perspective
Model Perspective
Mar 21, 2023 · Artificial Intelligence

Master Linear Discriminant Analysis (LDA) with Python: Theory & Code

This article explains Linear Discriminant Analysis (LDA) as a pattern‑recognition technique that projects data onto a low‑dimensional space to maximize class separation, details its mathematical formulation with between‑class and within‑class scatter matrices, and provides a complete Python implementation using scikit‑learn on the Iris dataset, including visualization of the results.

LDALinear Discriminant AnalysisPython
0 likes · 6 min read
Master Linear Discriminant Analysis (LDA) with Python: Theory & Code
JD Tech Talk
JD Tech Talk
Apr 19, 2019 · Artificial Intelligence

Fundamentals and Practical Applications of Text Mining: Workflow, Methods, and a Sentiment Analysis Case Study

This article outlines the end‑to‑end text‑mining workflow—from data acquisition and preprocessing to feature extraction, algorithm selection, and model evaluation—while demonstrating a sentiment‑analysis case study that combines LDA topic modeling with deep‑learning classifiers.

Deep LearningLDANatural Language Processing
0 likes · 11 min read
Fundamentals and Practical Applications of Text Mining: Workflow, Methods, and a Sentiment Analysis Case Study
Architect
Architect
May 22, 2015 · Big Data

Weibo Social Network Analysis: Label Propagation, Similarity Measures, Community Detection, Influence Ranking and Spam User Identification

The article presents a comprehensive overview of algorithms for analyzing Weibo’s social network, covering label propagation, user similarity via LDA, temporal and interaction factors, community detection, influence ranking using PageRank variants, and methods for identifying spam accounts.

LDAcommunity-detectioninfluence ranking
0 likes · 16 min read
Weibo Social Network Analysis: Label Propagation, Similarity Measures, Community Detection, Influence Ranking and Spam User Identification