Data Analytics & Business Intelligence

Introduction BI analysts are tasked with answering business questions for their clients....

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

Forecasting is one of the most common tasks in applied data science, but it is also one of the easiest to misunderstand. In my experience… Continue reading on D

Forecasting is one of the most common tasks in applied data science, but it is also one of the easiest to misunderstand. In my experience… Continue reading on D

Forecasting is one of the most common tasks in applied data science, but it is also one of the easiest to misunderstand. In my experience… Continue reading on D

DuckDB-Iceberg v1.5.3, PostgreSQL Hash Join Tuning, & Relational Algebra to SQL ...

I run a thing that snapshots every open role on a few thousand companies’ own Greenhouse, Lever, and Ashby boards once a day — about… Continue reading on Medium

I run a thing that snapshots every open role on a few thousand companies’ own Greenhouse, Lever, and Ashby boards once a day — about… Continue reading on Medium

This is the second part of a two-part analysis of the Olist Brazilian e-commerce dataset. Continue reading on Medium »

A SQL-based correlation analysis of regional delivery performance, seller density, and customer satisfaction on Brazil’s largest… Continue reading on Medium »

If you've ever practiced SQL interview questions, you have almost certainly crossed paths with this...

I spent a few weeks building a system to forecast the 2026 World Cup. Going in, I had a long list of things I thought would make it… Continue reading on Medium

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 »

Exploring the hidden rhythms of urban life through geospatial data science, interactive visualization, and Python. Continue reading on Medium »

Exploring the hidden rhythms of urban life through geospatial data science, interactive visualization, and Python. Continue reading on Medium »

Exploring the hidden rhythms of urban life through geospatial data science, interactive visualization, and Python. Continue reading on Medium »

can you explain how the stack is connected to the backtracking algorithms(maze, file directories) and calling functions(call stack) everything inside () was giv

Multi-state Medicaid platforms become difficult to scale when state-specific business rules are embedded directly in application code. This article argues for c

Data has become the driving force behind innovation in today’s digital world. From predicting customer behavior to improving healthcare… Continue reading on Med

Hi, part of my job is to plot specific data from charging and discharging a battery via its BMS (battery management system) app periodically. It would make my l

In today’s fast-paced digital marketplace, physical borders no longer limit your market reach. Continue reading on Medium »

Exporting trending-video metadata from production SQLite to hive-partitioned Parquet and running cro

Data science feels like a modern buzzword — but humans have been collecting, analysing and learning from data for centuries. Continue reading on Medium »

Python | pandas | statsmodels | scipy | yfinance | matplotlib | seaborn Jan 2024 — Jun 2026 | 30 monthly observations | 3 variables | 6… Continue reading on Med

Tradicionalmente, as decisões relacionadas à gestão de pessoas têm sido tomadas com base na experiência dos gestores, na intuição, na… Continue reading on Mediu

Have you ever opened a dashboard and it took forever for it to load? Before blaming Power BI, take a...

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A faster, ad-free, and USDA-backed expiration calculator for every item in your kitchen. Continue reading on Medium »

Most ecommerce teams can tell you where traffic comes from. Fewer teams can tell you which storefront...

A coffee shop, a new recipe, and the question every data scientist has to answer Continue reading on Medium »

When I first started learning Power BI as part of my coursework in Data Science, Analytics, and AI, I thought the exciting part would be… Continue reading on Me

I recently wanted to see if I could answer a straightforward question: Can we effectively map out initial audience interaction and… Continue reading on Medium »

appendToExcel is a command-line utility that writes CSV-formatted data into an Excel workbook (.xlsx). It can append data to the next… Continue reading on Mediu

In today’s digital era, data has become one of the most valuable assets for businesses across every industry. Continue reading on Medium »

A completed order tells the business what I bought. It doesn’t always explain why I bought it. Continue reading on Medium »

The demand for data-driven professionals is growing rapidly across every industry. Organizations today rely on data to make informed… Continue reading on Medium

Excel remains one of the most important tools in data analytics. Even with advanced tools like Power BI and SQL, Excel continues to play a… Continue reading on

Understanding a trick isn’t the same as having it. This is the story of how we turned an intuition into a written strategy, ran it against… Continue reading on

Seven Telegram signal channels advertise 70 to 80 percent win rates. I ran a shadow-mode bot for two months and audited 17 months of their message history: 9,31

If you've ever tried to process millions of rows of data in a regular tool like Excel or even a basic...

For three months, I weighed myself every morning and took body measurements every Sunday. I used a...

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...