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.

Dimensionality Reduction – PCA, t-SNE & UMAP for Data Scientists 2026

High-dimensional data is hard to visualise, slow to train on, and often contains redundant features that hurt model performance. Dimensionality reduction compresses data to fewer, more informative dimensions —...

API Development for Data Scientists – FastAPI & Flask Guide 2026

A machine learning model locked in a Jupyter notebook delivers zero business value. Wrapping it in an API turns it into a service that any application, website, or system...

Statistical Learning Theory – Bias-Variance, Overfitting & Regularisation 2026

Understanding why models fail is as important as building models that work. The bias-variance tradeoff is the central tension in machine learning: a model that is too simple (high...

Data Science Project Portfolio – 10 Ideas That Get You Hired 2026

A strong portfolio is the fastest path to a data science job in 2026. Certificates and degrees open doors — projects close them. Hiring managers want to see that...

Computer Vision with OpenCV and Python – Complete Guide 2026

Computer vision enables machines to interpret and understand visual information from the world. From detecting defects on a production line to powering autonomous vehicles, it is one of the...