Data Validation Process

What is Data Validation?

Data Validation is the process of checking uploaded data for errors, inconsistencies, and compliance with expected formats.

Checks Performed

Format Validation

• Correct column headers
• Proper data types (numbers, dates, text)
• Required fields present

Value Validation

• Valid CMMI IDs (participant exists)
• Values within expected ranges
• Consistent units

Integrity Validation

• No duplicates
• Dates in logical order
• References exist

Error Messages

• Clear descriptions of issues
• Row/column locations
• Suggestions for fixes

Related Terms

• Bulk Upload: Where validation occurs
• Data Quality: Goal of validation