The Data Lunex Blog

Practical guides to data for everyday business

Plain-English articles on spreadsheets, SQL, dashboards, KPIs and data storytelling, written for people who don't code.

  • Data Analytics Basics
  • Excel & Google Sheets
  • SQL for Beginners
  • Business Dashboards
  • Marketing Analytics
  • Small Business Reporting
  • Data Storytelling
  • Career Skills

Featured

Professional reviewing a spreadsheet and bar chart on a laptop at a sunny desk
Data Analytics Basics

What Is Data Analytics for Business Beginners?

A plain-English introduction to data analytics for non-technical professionals: what it is, the four types of analysis, and how it helps everyday business decisions.

Laptop showing an Excel sales spreadsheet with highlighted profit cells and a line chart
Excel & Google Sheets

How to Analyze Sales Data in Excel

Learn a simple, repeatable process for analyzing sales data in Excel: cleaning, key formulas, pivot tables and charts that answer real business questions.

Person studying online at a laptop while writing notes in a notebook
Excel & Google Sheets

Essential Google Sheets Formulas for Business

The Google Sheets formulas business professionals use most: SUM, AVERAGE, IF, SUMIF, COUNTIF, XLOOKUP, QUERY and more, with practical examples.

Data Analytics Basics

Professional reviewing a spreadsheet and bar chart on a laptop at a sunny desk
Data Analytics Basics

What Is Data Analytics for Business Beginners?

A plain-English introduction to data analytics for non-technical professionals: what it is, the four types of analysis, and how it helps everyday business decisions.

Excel & Google Sheets

Laptop showing an Excel sales spreadsheet with highlighted profit cells and a line chart
Excel & Google Sheets

How to Analyze Sales Data in Excel

Learn a simple, repeatable process for analyzing sales data in Excel: cleaning, key formulas, pivot tables and charts that answer real business questions.

Person studying online at a laptop while writing notes in a notebook
Excel & Google Sheets

Essential Google Sheets Formulas for Business

The Google Sheets formulas business professionals use most: SUM, AVERAGE, IF, SUMIF, COUNTIF, XLOOKUP, QUERY and more, with practical examples.

Spreadsheet on a laptop screen with highlighted summary cells and a chart
Excel & Google Sheets

Pivot Tables Explained for Non-Technical Professionals

Pivot tables explained without jargon. Learn what rows, columns, values and filters do, and build your first business summary in minutes.

SQL for Beginners

Learner with headphones studying SQL concepts on a laptop at home
SQL for Beginners

SQL Basics for People Who Don't Code

A friendly SQL introduction for non-programmers. Understand tables, SELECT, WHERE, GROUP BY and ORDER BY with simple business examples.

Business Dashboards

Three colleagues reviewing a business dashboard with charts on a large monitor
Business Dashboards

How to Build Your First Business Dashboard

A step-by-step guide to planning and building a simple, useful business dashboard: choosing metrics, layout, charts and filters.

Marketer presenting a printed performance report with charts to a manager
Business Dashboards

What Is Looker Studio and How Is It Used?

An introduction to Looker Studio for beginners: what it does, common business uses, key building blocks and how to get started with a spreadsheet source.

Marketing Analytics

Marketing professional explaining a performance report with bar charts to a colleague
Marketing Analytics

How to Understand Marketing Performance Reports

Learn to read marketing performance reports with confidence. Clear explanations of impressions, CTR, conversion rate, CPA and ROAS with worked examples.

Small Business Reporting

Small business owner checking sales numbers on a tablet at a shop counter
Small Business Reporting

Important Business KPIs Every Manager Should Know

A practical guide to the business KPIs managers use most: revenue growth, gross margin, average order value, retention, CAC and more, with simple formulas.

Close-up of a business spreadsheet on a laptop with highlighted totals
Small Business Reporting

Common Spreadsheet Mistakes in Business Reporting

Avoid the spreadsheet errors that quietly break business reports: hard-coded numbers, inconsistent data, broken ranges, mixed units and more.

Data Storytelling

Professional presenting data findings from a printed report to a manager
Data Storytelling

How to Explain Data Insights Without Technical Jargon

Practical techniques for explaining data findings to managers and clients: lead with the answer, use plain language, pick honest charts and end with a recommendation.

Career Skills

Adult learner studying data analytics online with a laptop and notebook
Career Skills

How to Start Learning Data Analytics Without a Technical Background

A realistic roadmap for non-technical professionals who want practical data analytics skills: what to learn first, how to practice and what to expect.

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