Wednesday, September 23, 2026

Durgesh Kekare

Durgesh Kekare is a data science educator and founder of DataExpertise.in. With expertise in Python, machine learning, and analytics, he helps 10,000+ learners break into data careers.

AI Ethics & Bias in Machine Learning – Practical Guide 2026

A credit scoring model that discriminates by race. A hiring algorithm that screens out women. A medical diagnosis tool that performs worse on darker-skinned patients. AI bias is not...

Neural Network Architectures – CNN vs RNN vs Transformer Explained

Deep learning has four major architecture families — CNNs, RNNs, LSTMs, and Transformers — and choosing the wrong one for your task is one of the most common beginner...

Python Generators and Iterators – Memory-Efficient Data Processing

When processing large datasets — log files with billions of rows, streaming sensor data, large model training corpora — loading everything into memory is impossible. Python generators and iterators...

Data Science for Business – Real-World Use Cases & ROI Guide 2026

Data science only creates value when it solves real business problems. This guide bridges the gap between ML techniques and business outcomes — explaining the most high-value use cases,...

Recommendation Systems in Python – Collaborative & Content-Based

Recommendation systems power Netflix, Spotify, Amazon, and YouTube — they're one of the highest-value applications of machine learning in industry. This guide covers the main approaches to building recommendation...