jlblancoc / nanoflann

nanoflann: a C++11 header-only library for Nearest Neighbor (NN) search with KD-trees

xlite-dev / lihang-notes

📚《统计学习方法-李航: 笔记》 200页PDF，包含详细的公式细节讲解以及R语言实现 🎉

ronitgupta138 / Bharat-Spatial-Engine

🇮🇳 High-Performance Geospatial Administrative Hierarchy & Proximity Query Engine for India's 650k+ Census Settlements (Java 21 Loom, 2D KD-Tree, 38k+ QPS).