Data Analytics & Business Intelligence

DuckDB Embraces Lakehouse Vector Search; SQLite Deep Dives into xUpdate & VFS Builds ...

And understanding that choice changes how you think about every model that comes after it. Continue reading on Medium »

And understanding that choice changes how you think about every model that comes after it. Continue reading on Medium »

Most backtest had access to a number it shouldn’t have known. Here’s how that look-ahead bias gets in, how to measure it, and how to build… Continue reading on

Most backtest had access to a number it shouldn’t have known. Here’s how that look-ahead bias gets in, how to measure it, and how to build… Continue reading on

They would’ve saved me hundreds of hours. Continue reading on Stackademic »

New chapter in Learning data analytics and data science. The focus now is on Pandas as a Python...

The manual work isn’t just getting easier. It’s getting automated away. Here’s the honest map of what survives — and what doesn’t. Continue reading on Medium »

In the previous article, we introduced Matplotlib and learned how to create basic visualizations in Python. Continue reading on Medium »

In the previous article, we introduced Matplotlib and learned how to create basic visualizations in Python. Continue reading on Medium »

When I started building Rubies Unleashed — an open publishing platform for indie games, apps, and...

I killed a production server with a CSV file. Continue reading on Medium »

I killed a production server with a CSV file. Continue reading on Medium »

I killed a production server with a CSV file. Continue reading on Medium »

For a long time, I completely underestimated web scraping. Continue reading on Stackademic »

For a long time, I completely underestimated web scraping. Continue reading on Stackademic »

What data teams need to build with AI to make self-healing data architecture a practical reality The post 7 Crucial Barriers Between Data Teams and Self-Healing

This happened a few months ago when I was working on an analysis project that dealt with time-series data. The dataset was large (10 years of data). I was using

The bicycle retail industry operates within a highly competitive environment where profitability is influenced not only by sales volume… Continue reading on Med

I built an unusual educational website: a bilingual (EN/ZH) platform that maps the ancient Taiji...

I’ve been a data engineer for over 20 years. I started when “big data” meant a few terabytes and tuning queries by hand was half the job… Continue reading on Me

A weekly curated update on data science and engineering topics and resources. Continue reading on Medium »

I trained as a statistician before I became a data scientist. That order matters more than people think when choosing between these two… Continue reading on Med

I trained as a statistician before I became a data scientist. That order matters more than people think when choosing between these two… Continue reading on Med

The skills companies value today are very different from what they looked for just a few years ago. Continue reading on The Startup »

Someone sends you a CSV. Then a folder of CSVs. Then a CSV that's actually tab-separated but named...

Is Your Modern Data Stack Still Running on Manual Labor? Continue reading on Medium »

Introduction As datasets grow larger and analytical workloads become more demanding, query...

When I decided to transition towards Data Engineering, I knew SQL would be the foundation of everything. Continue reading on Medium »

Step into the future of analytics with the Data Analytics with AI Course at the Institute of Data Science and Analytics, Janakpuri… Continue reading on Medium »

What every Data Engineer needs to understand before AI becomes a standard part of every Data platform! Continue reading on Medium »

Or why we built unpublished.pub Continue reading on Medium »

Data is becoming one of the most valuable assets for businesses. From startups in Kochi to multinational companies in Thiruvananthapuram… Continue reading on Me

When our team sat down to plan our internship project, we knew we didn’t want to build “just another CRUD app.” We wanted something that… Continue reading on Me

From transactional systems to trusted analytical data products Continue reading on Level Up Coding »

Introduction Ask ten people what data science is and you'll hear things like...

Traffic to the world’s reference library has fallen by about a quarter in three years. The cause is stranger than the headlines suggest… Continue reading on Reg

Di era data saat ini, SQL dan Power BI menjadi dua keterampilan yang paling banyak dicari dalam bidang analisis data. SQL digunakan untuk… Continue reading on M

Let’s be real for a second. Aajkal har doosra insaan AI, machine learning, aur data science ki baat kar raha hai. It is easy to get… Continue reading on Medium

For the last decade, the workflow for Business Intelligence hasn't changed much: A business...

Why you are not getting any callbacks Continue reading on Data Science Collective »

Reading the Cortex one-pager, and why this is the textbook example of treating structured data as text. Continue reading on Data Science Collective »

A year ago, if someone had asked me what Data Science was, I probably would have given a vague answer involving artificial intelligence… Continue reading on Med

We live in the age of data. Every day, companies make millions of decisions backed by analysis, algorithms, and insights derived from vast… Continue reading on

What working on interpolation in MapServer taught me about maps, uncertainty, and the mathematics of the unseen. Continue reading on Medium »

Data structures sound scary. They are not. Let this simple project show you exactly what they are and why they matter. Continue reading on Medium »

Data Analytics vs Data Science vs Business Intelligence: Understanding the Differences and Choosing the Right Career Path Data is everywhere. Every online purch

When I first entered Data Science, I thought the profession was primarily about models. Continue reading on Medium »