Data Analytics & Business Intelligence

Why the people running a company can't actually see it — and why traditional analytics keeps producing conclusions nobody ever verifies, from the HiPPO to the A

A practical, verified guide to collecting Saudi Arabia property data from the major portals — including the REGA advertisement-license trick that lets you dedup

A statistical deep-dive into how France pulled off a full-blown scoreboard heist despite losing the underlying chance-quality case to… Continue reading on Mediu

A practical guide to querying H-1B salary data by employer and role programmatically, using the authoritative DOL OFLC LCA disclosure files with runnable Python

A practical, honest guide to Understat xG data export — how the data is embedded in the page, a runnable Python scraper that decodes it, and how to dump league,

Today was my first day of learning SQL and my interaction with it was very unique its not like excel...

Veri analizi projelerinde çoğu zaman “ne oldu?” sorusuna cevap ararız. Continue reading on Medium »

Veri analizi projelerinde çoğu zaman “ne oldu?” sorusuna cevap ararız. Continue reading on Medium »

Veri analizi projelerinde çoğu zaman “ne oldu?” sorusuna cevap ararız. Continue reading on Medium »

In the age of AI, standing out here means a lot more than ever. Here are three tips to walk into your next interview with confidence. The post Surviving the Dat

We inherited roughly 6,000 LTO tapes from a business we bought last year. There was no documentation, no drives that could read half of them, multiple generatio

Every single application you use — from Instagram to your online banking portal — runs on data. Continue reading on Medium »

Imagine a human body trying to survive when: Continue reading on Medium »

In the previous article, we performed basic RFM Analysis using K-Means. However, customer behaviour is not limited to spending activity… Continue reading on Med

You ran a survey, but it was lopsided: for every poor person you reached, you reached ten rich people. Continue reading on Medium »

A Practical Framework for Transforming Raw Data into Analysis-Ready Datasets Continue reading on Medium »

A Practical Framework for Transforming Raw Data into Analysis-Ready Datasets Continue reading on Medium »

1. Business Problem Worth Solving Continue reading on Medium »

Three projects on real lending data, and what they say about a fairer, sharper way to decide who gets a loan. Continue reading on Medium »

The biotech market is often described as one long funnel: science enters at one end, clinical trials test whether it works, investors fund… Continue reading on

Photo by path digital on Unsplash Continue reading on Medium »

 Série : Data Quality Engineering à l’échelle . Partie 1 : Le Framework (De la théorie au code dbt) — lien ici . Partie 2 : L’Ingénierie… Continue reading on M

How PyTeryx lets you migrate from Alteryx Designer to Pandas without losing your mind Continue reading on Medium »

“One of The biggest mistake in spatial data analysis is assuming that every place behaves the same.” Continue reading on Medium »

Scientists say rising temperatures aren’t just changing the planet — they’re changing how millions of people think, feel, and plan their… Continue reading on Hi

I applied the same math US courts use to detect gerrymandering to the Aegean and Ionian. The results are alarming. The culprit has been… Continue reading on Med

Written By: Yogithasiri Chevva (Siri Chevva) | Published On: June 28, 2026 Continue reading on Medium »

This project started from a small annoyance, and led to really understanding the 80 20 rule. Continue reading on Medium »

Você já tentou encontrar uma informação específica em uma planilha gigante apenas “contando as linhas”? Se sim, você sabe o quão… Continue reading on Medium »

Embora pareçam similares, usá-los de forma correta é o que separa um código robusto de um script cheio de erros silenciosos. Continue reading on Medium »

Embora pareçam similares, usá-los de forma correta é o que separa um código robusto de um script cheio de erros silenciosos. Continue reading on Medium »

Continue reading on Medium »

Every pricing team eventually faces the same question from the CEO: "are the competitors still...

This morning I was skimming through 20,675 images on my Nitro 5 and slowly realizing what I was...

This problem looks trivial, but I got curious about what different Pandas update strategies actually...

Explore practical methods for comparing large CSV files with dynamic row structures. Learn Python-based approaches and schema alignment strategies to handle mul

Most bug datasets only tell you: "Bug was fixed in 23 minutes." They don't tell you what happened...

How my trading portal spots stocks breaking out (and breaking down) on three timeframes, and how it sorts the strongest from the noise. Continue reading on Medi

I thought AI coding would make building my app a breeze. Continue reading on Medium »

Not the ones every beginner’s list mentions. The ones that actually show up in real analysis work — with the one-liner that makes each… Continue reading on Medi

Not the ones every beginner’s list mentions. The ones that actually show up in real analysis work — with the one-liner that makes each… Continue reading on Medi

How we turned a weather forecast into a dog-walk forecast. Continue reading on Medium »

How to build the perfect instrument, run the perfect test, and end up exactly where you started Continue reading on Medium »

The Three Kafka Topics Running Your Connect Cluster and Why You Should Create Them Yourself Continue reading on Towards Data Engineering »

From decades-old policy administration systems and fragmented claims databases to disconnected underwriting platforms, insurers today are dealing with massive v

Introduction ClickHouse® provides a rich collection of built-in system tables that expose...

ClickHouse® Join Types and Performance Implications Introduction JOIN...

Today's challenge: Level 2 — Data Router 🎯 Sort incoming data to the right department using filters...