Data Analytics & Business Intelligence

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 »

Hello SeaTunnel community! Continue reading on Medium »

Uncovering payment behaviour, regional trends, and product performance from Nigerian retail sales data Continue reading on Medium »

Understanding entropy through surprise, probability, and uncertainty. Continue reading on Medium »

GBase 8a fully supports OLAP window functions, making it a powerful gbase database for analytical...

When people first start learning ClickHouse®, they usually focus on SQL queries, table engines, and...

Lower compute spend by optimizing queries: clustering keys, materialized views, predicate pushdown and scan reduction for Snowflake, BigQuery, Redshif

US unemployment is 4.3%. The curve even looks like it is calming down. The data underneath says otherwise. 2 million Americans have now… Continue reading on Med

There is no modern playbook for this. US core inflation — the gauge the Fed targets at 2% — is at 3.3% and re-accelerating. Outside Covid… Continue reading on M

apache pulsar vs kafka is the messaging question that every senior data engineer has answered twice...

kafka connect looks like "just another Kafka client" to a junior engineer — senior engineers know it...

This is my job search framework, the approach I follow every time I look for a new job. I want to cover mindset, preparation, finding jobs and applying, plus th

Introduction This week, I started learning Data Engineering concepts, and one of the most important...

David Ohnstad explains why federated data architectures create accountability gaps for PMs. Learn how schema enforcement and governance prevent revenue att

David Ohnstad reveals why data product managers struggle in federated architectures. Learn how organizational design undermines governance and trust in dec

Union-Find is fast, but it breaks for real-world entity resolution because it cannot handle safeguards, reversals, or ambiguous matches. A weighted graph approa

Monitoring is one of the most critical aspects of operating any production database environment. As...

Most dynasty fantasy football value sources are either crowdsourced votes or locked behind paywalls....

In a world where information changes by the minute, businesses need more than just access to data — they need access to the right data at… Continue reading on M