CASE WHEN Magic: Transform Your SQL Skills Instantly! — In the world of SQL, mastering conditional logic is kind of similar to a chess player learning strategic moves. At the heart of this is the CASE WHEN statement, a versatile tool that can reshape data and decision-making in SQL environments like SQL Server, Oracle, and Snowflake. This article is…

The Ultimate Guide: Elevating Your Skills with Domain Knowledge — In the world of data analytics, the landscape is rapidly evolving. It’s no longer sufficient to possess a basic understanding of data manipulation and software proficiency. As we shift from Data Analyst 1.0 to Data Analyst 2.0, …

The Ultimate Guide — Hello there, back with a hot topic in the data science world — Exploratory Data Analysis (EDA). Think of EDA as your preliminary detective work; it’s the part that can make or break your subsequent data modeling. I will try to explain EDA through my understanding in this article. So…

In today’s data-driven world, data engineering plays a pivotal role in transforming raw data into actionable insights. Aspiring data engineers often seek guidance and knowledge to master the essential skills required for success. While online resources and courses are abundant, the power of a well-written book can never be underestimated…

A Case study of Delhi’s Air Quality in January 2023 — In January 2023, Delhi, as usual, faced a critical environmental challenge—its air quality. This comprehensive case study dives deep into the Air Quality Index (AQI) of Delhi, offering a step-by-step guide to analyze and understand this crucial environmental metric. …

Top 50+ Effective Prompts for Data Scientists — In today’s data-driven world, understanding the art of prompt engineering is important for every data scientist. “Top 50+ Effective ChatGPT Prompts for Data Scientists” is more than simply an eBook; it’s a fuel for data science innovation and productivity. And the best part? You don’t need ChatGPT Plus; my carefully…

How to Bring Out the Best in Model Evaluation — In the ever-evolving landscape of data science and machine learning, evaluating models is not just a step—it's a craft. The precision of your model’s evaluation can make or break your predictive insights. So, how do you bring out the best in model evaluation? This guide will walk you through the…

5 Steps — A Comprehensive Guide of How to Create Custom GPTs: a Personalized ChatGPT — You’ve probably heard of the Custom GPT, which can be created by anyone with no coding. It’s an update that OpenAI recently announced during their DevDay on November 6, 2023. If you haven’t heard about it yet, you may read about it in my most recent article. In that article…

6th Nov, 2023: Updates like introduction of GPT4 Turbo and GPTs — In the fast-paced field of artificial intelligence, OpenAI has made news once more with a slew of intriguing upgrades that aim to improve how we engage with AI technology. Let’s break these upgrades down into small segments for a better understanding. A Community of Millions: OpenAI’s Expanding Reach The statistics are in, and they are impressive: Over…