Tech Skills

Data Analytics & Business Intelligence

Excel, SQL, Power BI, Tableau — turn raw data into business decisions

12,524
lessons
Skills in this topic
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Data Literacy
beginner
Write SELECT queries with JOIN and GROUP BY
Excel & Spreadsheets
beginner
Build a dynamic dashboard with pivot tables and slicers
SQL Analytics
intermediate
Write window functions (ROW_NUMBER, LAG, LEAD)
BI Tools
intermediate
Build an interactive dashboard from a SQL source
Python for Data
intermediate
Clean and transform a messy dataset with pandas
Data Storytelling
intermediate
Build a stakeholder dashboard with a narrative structure
ML for Analytics
advanced
Build a churn prediction model
All Reads (3,063) Articles (1100)Blog Posts (1716)Tutorials (236)Research Papers (2)News (9)
Why Does Visibility Change Behavior? The Science Behind Metrics That Move People
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Why Does Visibility Change Behavior? The Science Behind Metrics That Move People
Understanding the psychology that turns dashboards into action Continue reading on Medium »
Building a Flight Data Pipeline Without Trusting AI
Medium · Python 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Building a Flight Data Pipeline Without Trusting AI
A few months ago I was cleaning up my GitHub and found this repo — https://github.com/dat-a-ish/data-gov. It was built at that weird… Continue reading on Medium
The Geography of Climate-Mortgage Risk: Why Zip Codes Matter More Than Credit Scores
Medium · Machine Learning 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
The Geography of Climate-Mortgage Risk: Why Zip Codes Matter More Than Credit Scores
For decades, mortgage credit risk has been told as a story about the borrower. Credit score, debt-to-income ratio, loan-to-value, payment… Continue reading on M
What Matters Next Week in Equities
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
What Matters Next Week in Equities
Markets don’t move in straight lines — they move in regimes. Continue reading on Medium »
I Built an Open-Source Firebase Analytics Alternative Because I Hit 1M Events/Day Once Too Many
Hackernoon 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
I Built an Open-Source Firebase Analytics Alternative Because I Hit 1M Events/Day Once Too Many
A few years ago I was the data engineer on a mobile game soft launch when Firebase Analytics quietly started dropping events past its 1M/day cap. We didn't catc
Launch Your Career with a Data Analyst Course: The Smart Choice for Future Professionals
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Launch Your Career with a Data Analyst Course: The Smart Choice for Future Professionals
In today’s data-driven world, organizations rely on data to make informed decisions, improve business performance, and identify new… Continue reading on Medium
Medium · Python 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
EDA
xploratory Data Analysis (EDA) on the Iris Dataset Continue reading on Medium »
The Overloaded Equals Sign
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
The Overloaded Equals Sign
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
Journal Figure Replication | Plotting SHAP Interaction Matrix Heatmaps with Python
Medium · Python 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Journal Figure Replication | Plotting SHAP Interaction Matrix Heatmaps with Python
SHAP Interaction Matrix Heatmaps Continue reading on Top Python Libraries »
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Why are we ignoring the boring stuff
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
The Numbers Know Before Draft Night
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
The Numbers Know Before Draft Night
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
Why Data Mining Matters (And How It Actually Works)
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Why Data Mining Matters (And How It Actually Works)
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
GridDB TimeSeries and Java Timestamps: The UTC/DST Traps That Return Empty Results
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
GridDB TimeSeries and Java Timestamps: The UTC/DST Traps That Return Empty Results
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 »
Stop Saying Half of 2026 US Datacenter Capacity Is Canceled
Semi Analysis 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Stop Saying Half of 2026 US Datacenter Capacity Is Canceled
Don't Believe The Vibecoded Estimates, Go Through Every Individual Filing Instead
Tips/Tricks for sports data infrastructure
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Tips/Tricks for sports data infrastructure
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 »
How We Automated SQL Alert Creation for 1000+ Databricks Tables
Medium · Python 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
How We Automated SQL Alert Creation for 1000+ Databricks Tables
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
How We Automated SQL Alert Creation for 1000+ Databricks Tables
Medium · DevOps 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
How We Automated SQL Alert Creation for 1000+ Databricks Tables
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
Why Simplicity Is Harder Than Complexity in Data Work
Medium · AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Why Simplicity Is Harder Than Complexity in Data Work
Anyone can make something complicated. Making it simple takes more. Continue reading on Medium »
Case Study: AI‑Powered Patient Journey & Claims Analytics for Australian Hospitals
Medium · Machine Learning 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Case Study: AI‑Powered Patient Journey & Claims Analytics for Australian Hospitals
Why Patient Journey Analytics Matters in Australian Hospitals Continue reading on Medium »
From Intuition to Algorithm: How We “Tamed” Production Time Estimates at Mecasys s.r.o.
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
From Intuition to Algorithm: How We “Tamed” Production Time Estimates at Mecasys s.r.o.
Most manufacturing companies today face the same challenge as we do: how to accurately estimate the production time of a component when we… Continue reading on
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Data Engineering: The Invisible Superpower Behind Every Data-Driven Company
Data Engineering: The Invisible Superpower Behind Every Data-Driven Company Continue reading on Medium »
Dev.to AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Beyond One-Click Approval: Building Multi-Step Data Product Governance on Snowflake
Modern data platforms are getting serious about governed data sharing . Snowflake's Internal Marketplace lets you publish data products once and let teams acros
What It Takes to Become an Apache SeaTunnel Committer: Doyeon Kim’s Story
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
What It Takes to Become an Apache SeaTunnel Committer: Doyeon Kim’s Story
Do you remember the young contributor from South Korea whom we featured last year? Continue reading on Medium »
Sentiment Analysis: Understanding the Data and Defining the Modeling Strategy
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Sentiment Analysis: Understanding the Data and Defining the Modeling Strategy
Last week, we explored why sentiment analysis matters and how machine learning automates the process of understanding customer opinions at… Continue reading on
From Goldsmiths to Modern Money
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
From Goldsmiths to Modern Money
Long before modern banks existed, people stored their gold with trusted goldsmiths. Continue reading on Medium »
Data Governance: Focus on What Is Essential
Medium · AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Data Governance: Focus on What Is Essential
Data Governance, Unfiltered. | Part 2 of 7 Continue reading on Data Governance, Unfiltered »
What Is Health Informatics and Why Should You Care?
Medium · AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
What Is Health Informatics and Why Should You Care?
Most people have never heard of Health Informatics. But it affects every single time you walk into a hospital. Continue reading on Medium »
What Is Health Informatics and Why Should You Care?
Medium · JavaScript 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
What Is Health Informatics and Why Should You Care?
Most people have never heard of Health Informatics. But it affects every single time you walk into a hospital. Continue reading on Medium »
Reddit r/datascience 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Data Directors - what’s your next step?
For anyone who has had a director of data or data director title in the past - where are you now? Similar role at a different company? Same role? Eventually C s
How to Analyze A/B Test Results: Beyond the Dashboard
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
How to Analyze A/B Test Results: Beyond the Dashboard
Learn why dashboard metrics alone can mislead your A/B test analysis. Discover how to verify results across multiple data sources… Continue reading on Medium »
Dev.to AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Jitterbit at Gartner Application Innovation Summit
Jitterbit at Gartner Application Innovation Summit Jitterbit - a data integration and automation platform - has been presenting at the Gartner Application Innov
How to Become a Data Engineer in 2026
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
How to Become a Data Engineer in 2026
The exact skills, free and paid resources, and books to go from zero to hired. Continue reading on Towards Data Engineering »
How to Become a Data Engineer in 2026
Medium · Programming 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
How to Become a Data Engineer in 2026
The exact skills, free and paid resources, and books to go from zero to hired. Continue reading on Towards Data Engineering »
Medium · Machine Learning 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Various sources of Data
What are the sources of the datas or facts Continue reading on Medium »
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Various sources of Data
What are the sources of the datas or facts Continue reading on Medium »
Best Monitor Setup for Machine Learning in 2026: Dual Monitors vs Ultrawide vs Triple Screens
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Best Monitor Setup for Machine Learning in 2026: Dual Monitors vs Ultrawide vs Triple Screens
Final Verdict: What Monitor Setup Should AI Developers Actually Buy, Based on Their Workflow Continue reading on Medium »
Data Segmentation for A/B Tests: Finding Hidden Winners
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Data Segmentation for A/B Tests: Finding Hidden Winners
Discover how to uncover segment-level insights hidden within overall A/B test results. Continue reading on Medium »
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Learning Databricks Taught Me the Value of Asking Better Questions
Why curiosity has become one of the most important skills in my learning journey Continue reading on Medium »
10 free playlists that
actually build job-ready skills
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
10 free playlists that actually build job-ready skills
Recruiters don’t care how many courses you’ve completed. They care what you’ve built. Continue reading on Medium »
Data Leaders Don't Defend Anymore—They Deliver
Forbes Innovation 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Data Leaders Don't Defend Anymore—They Deliver
The job has stopped being about supporting IT delivery and started being about owning business outcomes that happen to need data and AI to work.
Einblicke in den MxMH-Datensatz
Medium · Python 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Einblicke in den MxMH-Datensatz
I hope this can help us beginners to have one more outlook on how to analyst a dataset Continue reading on Medium »
Turn Data Into Opportunity: Why Choosing a Data Science Course in Trivandrum Can Shape Your Future
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 1w ago
Turn Data Into Opportunity: Why Choosing a Data Science Course in Trivandrum Can Shape Your Future
The world is changing faster than ever, and one of the biggest forces driving this transformation is data. Every online search, digital… Continue reading on Med
Construction Site Supervisors Spend Too Much Time Rebuilding the Day
Medium · AI 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
Construction Site Supervisors Spend Too Much Time Rebuilding the Day
Construction projects generate hundreds of small events every day. Continue reading on Medium »
Medium · Python 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
How to Fix Out-of-Order Data When Subscribing to Multiple Forex Pairs
When building real-time forex quote systems or quantitative trading programs, developers often subscribe to multiple currency pairs via a… Continue reading on M
How I Analyzed a Retail Sales Performance.
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
How I Analyzed a Retail Sales Performance.
My analysis on a Retail sales performance with SQL and Excel. Continue reading on Medium »
How to Improve Sensitivity in A/B Experiments
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
How to Improve Sensitivity in A/B Experiments
Step-wise Guide to Covariate Adjustment Continue reading on Data Science Collective »
Can NFL Running Backs Get Overworked?
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
Can NFL Running Backs Get Overworked?
Christian McCaffery’s 2019 season saw him explode for 1387 yards on 287 carries. Combined with passing game, he was catapulted to the top… Continue reading on M
Power BI vs. Tableau in 2026: What Indian Companies Are Actually Hiring For
Medium · Data Science 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2w ago
Power BI vs. Tableau in 2026: What Indian Companies Are Actually Hiring For
A junior analyst messaged me last month, genuinely stressed. Continue reading on Medium »