Data Analytics & Business Intelligence

Source: Fundamentals of Data Engineering by Joe Reis and Matt Housley, published by O'Reilly...

How to tackle Data Observability outside of Monte Carlo in 2026 Continue reading on Medium »

Three counterintuitive discoveries that will change how you think about models, data, and scaling Continue reading on Medium »

Three counterintuitive discoveries that will change how you think about models, data, and scaling Continue reading on Medium »

A plain-language breakdown of data modeling, OLAP, and OLTP and why mixing them up will cost you. Continue reading on Medium »

Last week a JSON-to-Excel tool quietly changed my data and I almost shipped it to a client. I pasted...

AWR (Automatic Workload Repository) — Continue reading on Medium »

Industry realities, high-paying skills, aur sahi roadmap jo har fresher ko pata hona chahiye. Continue reading on Medium »

Industry realities, high-paying skills, aur sahi roadmap jo har fresher ko pata hona chahiye. Continue reading on Medium »

Microsoft Excel is far more than just a grid of rows and columns, it is the fundamental language of...

More Than Just a Spreadsheet When most people hear "Excel," they picture a grid of cells filled with...

How we replaced notebooks and a warehouse with DuckDB for ad-hoc video watch-time analytics on parti

In today’s digital world, businesses kind of rely heavily on data, to make smarter decisions and so on. From healthcare and finance, all… Continue reading on Me

Daylight saving rules make time zone regions outperform fixed offsets Continue reading on Medium »

Today, I want to talk about how I’m saving anywhere from like 60% to 90% of my tokens for tool calling. And the solution is actually dead… Continue reading on M

A few years ago, getting a degree was enough to start a career. Continue reading on Medium »

They need their documents converted into decision-ready intelligence. Continue reading on Medium »

Most traders spend their time looking for the perfect entry. Continue reading on Medium »

5-P’s Without Needing To Harm Anyone Continue reading on Medium »

Optimizer-focused strategies that eliminate costly scans, improve index usage, and dramatically reduce query latency at scale Continue reading on Medium »

Is it data quality, stakeholder expectations, model deployment, business understanding, or something else? submitted by /u/Effective_Ocelot_445 [link] <a href="

Here is an uncomfortable fact about the digital age: it may leave behind less durable evidence of...

It doesn’t take long for a .claude/CLAUDE.md to grow unwieldy. Continue reading on Data Science Collective »

How to fetch JSON from any REST API in Google Sheets using Apps Script — parse the response, map objects to rows, and write a rectangular 2D array wit

Exploring the Cosmos: A Guide to NASA's Eyes on Exoplanets Tutorial As we continue to push the boundaries of space exploration, the search for exoplanets has be

Discover the external validity threats that can invalidate your A/B test results, from seasonality and sample pollution to the flicker… Continue reading on Medi

Module 1 is done. Here’s everything that’s actually in the system now, how it’s validated, and what’s next. Continue reading on Medium »

By Sunday Ikpe and Femi Akinmade Continue reading on Medium »

My first professional love was data. Anything to do with data. I found it so interesting that everything in any system ever boiled down to… Continue reading on

This project is based on a Nigerian Retail Sales dataset that contains a large amount of raw data, which on its own does not tell a clear… Continue reading on M

The NIH continues to tweek the requirements for the Data Management and Sharing Plan, here’s what it looks like in 2026 Continue reading on MetaScientific »

Github Repository Hi community, I've built a open source PDF to Excel Converter and let me tell you...

Daily learning part thirty-two. I started today at 17:00. I started with SQL and completed 10...

Using Power BI to uncover sales trends, regional performance, and profitability inisight from a Nigerian Retail Dataset. Continue reading on Medium »

Author(s): Sai Bhargav Rallapalli Originally published on Towards AI. How I built a 98.8% accurate prediction model — and discovered that the “cleanest” fuel is

There’s a particular kind of frustration that comes from working with data in 2026. You have a CSV. Maybe it’s sales records, maybe it’s… Continue reading on Me

There’s a particular kind of frustration that comes from working with data in 2026. You have a CSV. Maybe it’s sales records, maybe it’s… Continue reading on Me

There’s a particular kind of frustration that comes from working with data in 2026. You have a CSV. Maybe it’s sales records, maybe it’s… Continue reading on Me

I ran an RFM analysis on 17,000 e-commerce transactions from a Turkish online retailer. The results were eye-opening. Continue reading on Medium »

Série: Modelos Matemáticos para Data-Driven Decision Making — Step 07 / 12 Continue reading on Medium »

If you’ve ever worked with Spark, you know the usual workflow: write code, upload it to a notebook, run it on the cluster, debug through… Continue reading on Me

Blending regularized adjusted plus-minus with possession-level box production. Continue reading on Medium »

All numbers below are chain-derived via eth_getLogs against public RPCs. Nothing is self-reported,...

Grinding consumes 30–40% of cement plant electricity. Learn how to cut kWh/T by 8–15% using Python data analytics. Free code + GitHub repo… Continue reading on

Explore Apache Iceberg metadata hierarchy, schema evolution, hidden partitioning, and concurrency model.

How combining Databricks AI/BI Genie with Microsoft Teams transforms data teams from reactive report pullers into scalable semantic… Continue reading on Medium

Learning Through Experience Continue reading on Medium »

Hello SeaTunnel community! Continue reading on Medium »