Data Analytics & Business Intelligence

There are plenty of useful things a metric can reveal. There are even more it can obscure or corrupt. It took me well over a decade of tracking my own life in e

xploratory Data Analysis (EDA) on the Iris Dataset Continue reading on Medium »

"Without statistics, data is just a collection of numbers. With statistics, data becomes...

Sertifikasi Microsoft Power BI menjadi salah satu kredensial yang banyak dicari oleh calon maupun profesional data analyst. Continue reading on Medium »

Power BI menjadi salah satu tools yang paling sering muncul dalam proses rekrutmen data analyst. Banyak perusahaan tidak hanya menanyakan… Continue reading on M

I Analyzed 500+ Bank Statements. Here's What I Found. Over the past few months, while...

An opening-weekend analysis through the years Continue reading on The Ugly Monster »

Most enterprise AI projects don't fail because the model is wrong. They fail because the data feeding the model is unreliable, stale, or structurally

Every equals sign is a quiet decision about what to ignore — and that decision builds the integers, the real numbers, and the surface of a… Continue reading on

A practical guide to adding embedded SQL dashboards to your SaaS product — covering architecture, authentication, multi-tenancy, and when to build vs. buy.

Wondering if a Data Science Course in Delhi is worth it for career growth in 2026? With businesses increasingly adopting Artificial… Continue reading on Medium

Veri bilimine adım attığımda Python’un yalnızca bir programlama dili olmadığını, aynı zamanda veriyi anlamak, düzenlemek ve analiz etmek… Continue reading on Me

arXiv:2606.20388v1 Announce Type: cross Abstract: Data videos integrate dynamic charts, voice narration, and synchronized animations to communicate data insight

I benchmarked every technique on a 200,000-row DataFrame so you don’t have to guess which one actually matters. Continue reading on Analytics Vidhya »

The question is not whether your AI analysis looks intelligent. The question is whether anyone would make a better decision after reading… Continue reading on A

The ultimate technical interview guide covering SQL, PySpark, AWS, Python, Data Architecture, DevOps, and Behavioral questions — with… Continue reading on Mediu

SHAP Interaction Matrix Heatmaps Continue reading on Top Python Libraries »

What if you could see every sale, every delivery failure, every unhappy customer, and turn that chaos into a strategy? Continue reading on Medium »

Early peeking at A/B test results inflates false positive rates and leads to costly decisions based on noise. Learn why premature analysis… Continue reading on

What if you could see every sale, every delivery failure, every unhappy customer, and turn that chaos into a strategy? Continue reading on Medium »

Today we launched a new plugin for Datasette, datasette-apps , with this launch announcement post on the Datasette project blog. That post has the what , but I'

Como transformar documentação espalhada do Oracle Fusion em contexto útil para ETL, data marts e consultas mais assertivas. Continue reading on Medium »

Whenever I get online to read or watch videos about working in data there is one thing that is very apparent, and that is: no one cares… Continue reading on Med

A question I kept circling when I started treating prediction markets as a trading venue: by the time...

Intro Last year, I joined a team responsible for a mature data platform with several tools...

Every draft season, front offices argue over the same sliver of prospects at the top. Scouts debate measurables. Agents spin narratives… Continue reading on Med

Welcome to the Spark 4 Freak Show — the only carnival where defaults bite, configs whisper from the walls, and the architecture finally… Continue reading on Tow

Microsoft has introduced a limited-time opportunity for Data Professionals, Analysts, BI Developers,...

You've probably used Microsoft Excel at some point — maybe to track a budget, keep a list, or add up...

The friction between modern operational edge applications and core analytical data systems is a massive architectural bottleneck in… Continue reading on Medium

I thought the Human Genome Project was all about Biology. DNA, Genes, Chromosomes — the usual suspects. Continue reading on Medium »

How a simple forecasting pipeline reduced electricity demand prediction errors by more than 50% using public data, interpretable models… Continue reading on Med

How a simple forecasting pipeline reduced electricity demand prediction errors by more than 50% using public data, interpretable models… Continue reading on Med

Recently, while diving into the Data Mining module for my IT degree, my perspective completely shifted on the massive amounts of data we… Continue reading on Me

How a single timezone assumption can make your entire time-range query silently fail — and how to fix it for good. Continue reading on Medium »

Don't Believe The Vibecoded Estimates, Go Through Every Individual Filing Instead

Sports data is one of the most deceptively complex domains in analytics. On the surface, it looks simple — games, players, teams… Continue reading on Medium »

Compare Redfin and Zillow data sources for real estate analysis. Learn field differences, accuracy, and best use cases for each platform.

Most pandas performance problems aren’t caused by Python — they’re caused by writing pandas like regular Python. Continue reading on Medium »

Most pandas performance problems aren’t caused by Python — they’re caused by writing pandas like regular Python. Continue reading on Medium »

In February 2026, Microsoft raised Copilot’s input limit from 500 characters to 10K across every surface. Twenty times more room to type… Continue reading on To

3–5 sets (or more) of SQL alert queries are needed to write for each Databricks table we are managing, and we have 1000+ tables in our… Continue reading on Medi

3–5 sets (or more) of SQL alert queries are needed to write for each Databricks table we are managing, and we have 1000+ tables in our… Continue reading on Medi

LATERAL joins let a subquery in the FROM clause reference columns from earlier in the same FROM clause. Semi joins return rows where a match exists in another t

The Question What happens to soccer scorelines after the 87th minute? I wanted real data,...

A simple story about a kid, a lemonade stand, and the five “helpers” who turned it into a tiny empire explained so clearly even a kid… Continue reading on Stack

The core optimization layers of healthy tables: compaction, snapshots, metadata, partitioning, delete files, and intelligent automation… Continue reading on ITN

A/B testing is often called the gold standard of causal inference. Continue reading on Medium »