Data on Samarthya

k-Nearest Neighbors

Sat, 22 Nov 2025 12:00:00 +0000

Images: Courtesy GEMINI

KNN is the friendly, neighborhood algorithm that believes you are defined by the company you keep. It doesn’t try to learn a complex rule; it just looks around and goes with the consensus of its closest, most similar peers.

Data Mining Essentials

Sat, 08 Nov 2025 12:00:00 +0000

Whether you’re preparing for a quiz or just brushing up on fundamentals, this guide distills the key concepts from Data Mining into bite-sized, memorable chunks. Let’s dive in!

The Core Divide

Fri, 10 Oct 2025 12:00:00 +0000

At the heart of machine learning, algorithms learn from data. The key distinction between supervised and unsupervised learning is the type of data used for training.

Beyond the `DataFrame`: How Parquet and Arrow Turbocharge PySpark 🚀

Thu, 09 Oct 2025 12:00:00 +0000

In my last post, we explored the divide between Pandas (single machine) and PySpark (distributed computing).

The conclusion: for massive datasets, PySpark is the clear winner.

PySpark vs Pandas: Choosing Right! 🐍

Thu, 09 Oct 2025 12:00:00 +0000

As another project wraps up, bringing with it the bittersweet relief of an almost-closed chapter (and, yes, a few too many late-night coding sessions), I found myself reflecting on the tools that got us through.

GenAI

Tue, 03 Oct 2023 12:00:00 +0000

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Artificial Intelligence (AI) has revolutionized many aspects of our lives, from virtual assistants like Siri and Alexa to self-driving cars and personalized content recommendations. One of the exciting and rapidly evolving subfields of AI is Generative AI, often referred to as GenAI. In this beginner-friendly blog post, I’ll explore the basics of Generative AI, its applications, and how it’s changing the way we interact with technology.