
Day 16: Gradient Boosting & XGBoost — Learning from Mistakes
Random Forest trained 500 trees independently and averaged them. Today we meet a smarter idea. Train trees one at a time, with each new tree focused o...
Parathan ThiyagalingamI’m a software engineer who likes building things, understanding how they work under the hood, and sharing what I learn along the way. I work across the full stack and enjoy teaching, writing, and growing consistently in tech.

Check out some of my recent work

A full-stack community platform for reporting, tracking, and recovering lost and found items. Built with React, Node.js, Express, and MongoDB.

Sri Lankan Handcrafts E-Commerce Platform – Full-stack app with React, Express, MongoDB & PayHere payments

ShiftTracker is a full-stack employee time tracking web application that enables employees to clock in/out of shifts, manage breaks, and track their work hours with GPS-based location verification. The app features a role-based system with an admin dashboard for workforce oversight and a personal Employee Dashboard for individual shift management.
Latest articles and insights

Random Forest trained 500 trees independently and averaged them. Today we meet a smarter idea. Train trees one at a time, with each new tree focused o...
Parathan Thiyagalingam
A single decision tree is fragile. Today we fix that with one of the most famous ideas in ML: instead of trusting one tree, trust a thousand. Random F...
Parathan Thiyagalingam
If we have ever played the game Twenty Questions, we have already done decision trees in our head. Today we automate that intuition. Decision Trees ar...
Parathan ThiyagalingamTechnologies I work with
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