Spreadsheet Cleanup Lab

What you’ll learn

Clean a small spreadsheet dataset with explicit rules, visible exceptions, and a checkable reconciliation.

• Define columns and preserve identifiers while cleaning text
• Distinguish missing values, duplicates, and conflicting records
• Review AI-suggested rules and reconcile accepted, duplicate, and review rows

1. 01
   Define What Each Column Means10 min lesson + exercise estimate
   Free preview
2. 02
   Clean Text Without Breaking Identifiers12 min lesson + exercise estimate
3. 03
   Handle Missing Values and Duplicates15 min lesson + exercise estimate
4. 04
   Use AI to Propose Cleanup Rules15 min lesson + exercise estimate
5. 05
   Reconcile and Document the Cleaned File20 min lesson + exercise estimate

What you’ll need

A text editor or spreadsheet application that can open plain text files. No coding, API key, AI subscription, or hosted service is required. All proposed AI outputs are authored practice examples; using a live AI tool is optional.

How access works

1. Try the first lesson. Read the preview and complete its exercise before deciding.
2. Pay once through Stripe. The price is $15 USD for this course. There is no recurring subscription.
3. Keep your private order link. After payment confirmation, your order page unlocks the lessons and ZIP download. The browser also saves the purchase in My learning.

Download the course and workbook for offline study. Online access lasts while the service operates. Live tutoring, certificates, and external tool subscriptions are not included.

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