Category: Analytics
Chart chooser for real life
Pick the chart for the question, not the template gallery. Use comparison, trend, composition, and distribution on purpose, plus a short never-do-this list for pies, 3D effects, and…
What is this chart for?
A chart is a job, not decoration. Learn explore versus explain versus persuade so the next deck chart answers a real decision instead of filling a slide with…
Documenting quality so others trust you
Trust needs a light paper trail, not a bureaucracy. Publish a simple data quality scorecard with owner, metrics, known issues, and next check so teammates can rely on…
Validation checks you can automate
Automated checks catch bad data before leadership does. Build small scripts for row counts, referential integrity, freshness, and yesterday versus last week sanity so every number you ship…
Dates, time zones, and fiscal calendars
Time zones and fiscal calendars quietly break dashboards people trust. Learn to store UTC, display local time, separate calendar months from fiscal periods, and cast dates safely in…
