Data Processing Specialist Course
Master sales data processing in this specialist course. Learn hands-on cleaning, validation, and automation techniques using Excel, Python, and R. Produce trustworthy datasets that support precise analytics, dashboards, and key business choices with confidence.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
This course teaches you to clean and validate sales transaction data efficiently. You'll master fixing text fields, managing missing values, standardising dates, and recalculating totals accurately. Gain skills in identifying data quality problems, using business rules, documenting processes, and creating repeatable workflows with spreadsheets, Python, and R for dependable datasets.
Elevify advantages
Develop skills
- Clean sales data swiftly: correct text, dates, emails, and errors.
- Perform quality checks: spot duplicates, invalid ranges, and schema issues quickly.
- Use pandas and R effectively: create simple, repeatable cleaning processes.
- Recalculate transaction figures: handle totals, discounts, and computed fields reliably.
- Generate audit-ready results: record changes, mark issues, and output clean CSVs for teams.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workloadWhat our students say
Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to change platforms... I thank you for everything you do, I've already recommended you to other people...

Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.

Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!

Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos help a lot with learning.

André FelipePrompt Engineering Student
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