Tech Skills
Data Analytics & Business Intelligence
Excel, SQL, Power BI, Tableau — turn raw data into business decisions
Skills in this topic
7 skills — Sign in to track your progress
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

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Clustering Mixed Data with Hierarchical Methods: A Comparison with K-Means
From structure to stability: validating mixed-data segments with hierarchical clustering. Continue reading on DataDrivenInvestor »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Hidden Cost of Bad Data Architecture
Most data engineering discussions revolve around tools. Continue reading on DataDrivenInvestor »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
How Network Metrics Can Hide Opportunities For Improvement
Imagine you are responsible for inventory planning at a consumer packaged goods (CPG) company. Your planning process relies on a set of… Continue reading on Dat

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
EDA Series Part 6: Gropby and Aggregation, Pivot tables, Joins, Randomness
Welcome back to Part 6 of the EDA series! Continue reading on DataDrivenInvestor »

Medium · NLP
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
What 2,835 UK Data Job Postings Taught Me — About the Market, and About Doing Analysis Honestly
An end-to-end NLP project on the UK data job market: the findings, the moment the data fought back, and the methodology mistake I’m glad I… Continue reading on

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Your Data Warehouse Isn’t Dying. It’s Getting Promoted.
Everyone’s writing the obituary for enterprise data infrastructure in the age of AI. Continue reading on 3K Global AI »

Medium · Startup
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Data View House — The Data Governance Intelligence Platform.
From being redundant to the founder of the platform that operationalises data governance on the ground. From discovery to governed, on one… Continue reading on
Reddit r/datascience
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Are there any Data Science Communities for those in the field you all recommend joining?
I'm a few years into my career and am realizing that the data science area in my company is incredibly insular. While that speaks highly of them that they attra

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Python for Data Science — Mini Project: Full Exploratory Data Analysis on a Dataset
Over the last several articles, we’ve moved beyond learning tools and started learning how analysts think. Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Python for Data Science — Mini Project: Full Exploratory Data Analysis on a Dataset
Over the last several articles, we’ve moved beyond learning tools and started learning how analysts think. Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Almost Built My Project Around the Wrong Dataset — Here’s the Lesson
I was about ten minutes away from naming my new project “Travel Recovery Analysis.” Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Almost Built My Project Around the Wrong Dataset — Here’s the Lesson
I was about ten minutes away from naming my new project “Travel Recovery Analysis.” Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Python for Data Science — How to Write Observations from Data Like a Professional
Hope you enjoyed my last blog on Categorical Data Analysis That Actually Matters Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Python for Data Science — How to Write Observations from Data Like a Professional
Hope you enjoyed my last blog on Categorical Data Analysis That Actually Matters Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Web Scraping in 2026: The Complete Guide to Extracting Data from Any Website
Why Web Scraping Matters in 2026 Continue reading on Medium »
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
A Practical Framework for Customer Segmentation and Retention Analytics in Subscription-Based…
Introduction Customer retention remains one of the most critical drivers of long-term business success in subscription-based industries… Continue reading on Med
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
A Practical Framework for Customer Segmentation and Retention Analytics in Subscription-Based…
Introduction Customer retention remains one of the most critical drivers of long-term business success in subscription-based industries… Continue reading on Med

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Self-Healing Data Pipelines: Where the Marketing Ends and the Engineering Begins
“Most self-healing pipelines automate retries and schema-drift detection, covering maybe 20% of real failures. Real resilience is an… Continue reading on Medium
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
I Consumed Hundreds of Books, Movies and Podcasts — Then Realized I Remembered Almost None of Them
Why keeping track of what I consume changed the way I learn Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Wealth vs Money Supply
Why Is U.S. Wealth So Much Larger Than the Money Supply? Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Q1 2026 US Lending Data Live on Tigzig.
Q1 2026 US lending data is live on Tigzig… ready for your AI Agent (Claude Cowork, Claude Code, Codex, Cursor etc). Loans, delinquency… Continue reading on Medi

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Partition Exchange Load (PEL) in Oracle — | Best of mrcaption49 | 45
Partition Exchange Load (PEL) is an Oracle ETL technique used to load large volumes of data efficiently into partitioned tables. Data is… Continue reading on Me

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Building a Real‑Time Metrics Dashboard with Elasticsearch, Flask, and Vue + Chart.js
A hands‑on, end‑to‑end tutorial: store time‑series product metrics in Elasticsearch, expose them through a Flask API, and visualize them… Continue reading on Me

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Descriptive Statistics Explained Through Factory Data: The Story Hidden Inside Every Production…
“Data doesn’t speak. Statistics gives it a voice.” Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
A Explosão da Complexidade: Como a IA Destruiu o Teto da Análise de Dados
Recentemente, liderei uma investigação profunda de dados que gerou exatamente 604 arquivos. Entre eles, havia 80 scripts em Python, 73… Continue reading on Medi

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Give Me a Break. AI Is Not Running Out of Data.
The internet is not the universe. Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Navigating the Fiscal Matrix: How Crisis, Income, and Policy Elasticity Shape Global Growth
Fiscal policy is rarely a one-size-fits-all solution. When an economy slows down, governments typically react by increasing spending… Continue reading on Medium
Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Belajar Penerapan Data Science dengan Microsoft Fabric — Dicoding
Mengupas Tuntas Analitik End-to-End dengan Microsoft Fabric Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Belajar Penerapan Data Science dengan Microsoft Fabric — Dicoding
Mengupas Tuntas Analitik End-to-End dengan Microsoft Fabric Continue reading on Medium »

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
What a Real Data Science Project Looks Like (No Kaggle Shortcuts)
From messy business problem to deployed model — a complete walkthrough with real tools, real decisions, and the parts Kaggle never teaches… Continue reading on

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
What a Real Data Science Project Looks Like (No Kaggle Shortcuts)
From messy business problem to deployed model — a complete walkthrough with real tools, real decisions, and the parts Kaggle never teaches… Continue reading on

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
What 70% Actually Means — Four Days Into the World Cup
What does a 70% prediction actually mean? First results, first upsets, and what probability really says Continue reading on Medium »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Polars vs Pandas in Production Pipelines
The tool that made Python data engineering accessible is quietly becoming the thing that slows it down. Continue reading on Medium »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Polars vs Pandas in Production Pipelines
The tool that made Python data engineering accessible is quietly becoming the thing that slows it down. Continue reading on Medium »

Medium · Machine Learning
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Statistics Every Data Scientist Must Know (Chapter 8)
⏱️ 5-min read | Beginner-friendly | Code-along recommended Continue reading on Medium »
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Top 20 SQL Interview Questions Every Beginner Should Master
When I first started learning SQL, I thought memorizing a few queries would be enough to crack interviews. However, after attending… Continue reading on Medium
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Becoming AI-Ready on Databricks: The Unsexy Work Every Successful Program Did First
Every executive wants to talk about AI. Continue reading on Medium »
Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
My Data Science Internship Experience at Prodigy InfoTech
I am currently pursuing a Data Science Internship at Prodigy InfoTech. This internship has been a valuable learning experience, helping me… Continue reading on

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Most Underrated Skill in Public Health? Knowing How to Communicate It
Health communication is not a soft skill. It is the infrastructure through which everything else in public health either works — or fails. Continue reading on M
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
GLM 5.2 released : Bye Kimi K2.7 Code
How to use GLM 5.2? Continue reading on Data Science in Your Pocket »

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Data Science & AIML: The New Age Strategy for Decisions Making
Data is just information — scattered, unstructured, unfiltered, everywhere Continue reading on Medium »

Forbes Innovation
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
The Unusual Alliances Tackling Weather Risk To The Insurance Industry
How universities, insurance companies and even NASA are coming together to address looming weather risks.

Forbes Innovation
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Why Insurers Are Turning To NASA To Understand Weather Risk
As extreme heat, hail, floods and storms drive up insurance losses, a new partnership involving NASA, universities and insurers aims to improve risk forecasting
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Day 25 of 32 Days of SQL Concepts — Database Sharding
Database sharding represents one of the most consequential architectural decisions in modern data systems. It embodies the principle that… Continue reading on M

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
9 Python Libraries That Made Me Faster Than My Teammates
Same hours. More output. Continue reading on Stackademic »

Medium · Python
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
SuiteQL: The SQL Dialect Most Developers Don’t Know Exists
Keywords: SuiteQL, NetSuite SQL, NetSuite query language, SuiteQL transactions, NetSuite data extraction, NetSuite saved search alternative Continue reading on
Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
Laporan Praktikum Basis Data : Prosedur, Fungsi dan Trigger
Halo teman-teman semuanya perkenalkan nama saya Cahyo Adi Nugroho, saya adalah mahasiswa teknologi informasi Universitas Tidar. Pada blog… Continue reading on M

Medium · Data Science
📊 Data Analytics & Business Intelligence
⚡ AI Lesson
3w ago
From Boxplot to Raincloud: Building a Better Distribution Plot in Python
Constructing a raincloud plot one layer at a time Continue reading on Data Science Collective »
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