What makes it the de-facto multi-class classifier loss function — There is much to learn and grasp to ace that important Data Science/Machine Learning interview. This article is part of a series of articles that try to make the preparation process easier and less daunting by introducing structure, use visual explanations, and keeping things relevant. Motivation The proper choice of loss…

Why Deep Learning is so powerful yet so simple in its core — So you’ve heard about AI, heard about the amazing things a well-trained Machine Learning model, especially Deep Learning model can do. In some tasks, it even surpasses human performance. For example, a computer can now recognize different kinds of objects like cats, dogs, cars better, and an average human with…

A Transformer Attention Mechanism Explainer for the Rest of Us — Table of Contents · Motivation · Fundamental Building Blocks: A Special Vector Called ‘Embedding’ · Core Mechanism: Dot Product of Vectors · Let’s Apply it on Something Easier: Recommender System · Now We Can Talk About Attention: How YouTube Finds The Video You Search (QKV system) · Attention in Translation, It’s All Very Natural · Self-Attention…

That will boost your coding speed and efficiency — I recently published a piece about how I cleared all HackerRank SQL challenges in two weeks. It was a fun ride, and there’s no reason not to ride on the momentum and brush up my Python skills. So here I am, three weeks later, writing this article sharing my experience…

That also helped me clear all Hackerrank Challenges in 3 weeks — Motivation😎 Doing coding challenges is probably the best way to learn the practical side of programming languages quickly. Compared to doing actual projects, it has a sharp focus on improving your problem-solving skills leveraging specific language concepts and syntax. It’s depth(projects) vs. breadth(coding challenges). You will benefit more from doing it…

That will also help your SQL code challenges journey — Current projects at work require more SQL skills, so I took the time to brush up my SQL knowledge using the HackerRank coding challenges platform. It took me a bit more than two weeks (on and off between work, workout, and taking the kid to day school, etc.) to finish…

CTF write up you should read BEFORE starting the room — Series Brief Cybersecurity has always been something I want to get into or at least apply my data science skills to. Not because of the ‘Mr. Robot’ style Hollywood hacking scene though, not that. …

And you can too! — Motivation Issues of Pelican I’ve been using Pelican as the framework for my data science blog for a while now. It has worked for me, though there were always some minor glitches that made me feel not settled. It never feels complete and satisfying to me. Here are some of the big ones: Small…

And How to Still Achieve Success — It All Started From My Personal Struggle To tell you the truth, the fear of not being good enough at math has been hunting me from day one when I started my Machine Learning journey. It first struck me when I tried to apply the chain-rule while doing the back-propagation of neural networks. It took me a…