Customer Churn Analysis Tutorial with Sample Data (2026)
step-by-step churn analysis tutorial with a real sample dataset. cohort retention, churn formulas, churn-by-segment pivots, and the fixes that actually retain.
Xavier Fok
Marketing Funnel Analysis Tutorial: Step by Step (2026)
step-by-step marketing funnel analysis tutorial. real sample dataset, conversion math, drop-off diagnosis, and the practical fixes that move the needle.
Building a Sales Tracker in Google Sheets: Complete Tutorial (2026)
step-by-step tutorial for building a working sales tracker in Google Sheets. real sample dataset, formulas, dashboard charts, and the metrics solopreneurs actually need.
Analyzing Customer Support Tickets in Excel: Real Tutorial (2026)
step-by-step Excel tutorial for analyzing customer support tickets. real sample dataset, formulas, pivot tables, and the patterns that actually drive product fixes.
Self-Teaching Data Analytics: A 12-Week Roadmap
Realistic 12-week self-taught data analytics roadmap for 2026. Week-by-week plan covering Excel, SQL, BI tools, Python, and portfolio for career changers.
Best Data Analyst Newsletters and Substacks 2026
Honest picks of the best data analyst newsletters and Substacks for 2026. Real practitioner recommendations across SQL, BI, career, and modern data stack content.
Best Data Analyst YouTube Channels 2026 (Practitioner Picks)
Honest picks of the best data analyst YouTube channels for 2026. Real practitioner recommendations covering SQL, BI, Python, career, and portfolio building.
Data Analyst Salary Guide 2026 (US/UK/SG/IN)
Real 2026 data analyst salary data across US, UK, Singapore, and India. Entry to senior ranges by city, industry, and experience level with named sources.
Data Analyst vs Business Analyst: 2026 Career Guide
Honest comparison of data analyst and business analyst roles in 2026. Day-to-day work, salaries, skill requirements, and which role fits your strengths.
How to Switch Careers to Data Analytics in 2026
Honest guide to switching careers to data analytics in 2026. Realistic timeline, leveraging existing experience, financial planning, and the path that actually works.