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Data Verification
Data Verification
What is data verification?
Data verification is the process of ensuring the accuracy and reliability of information by cross-checking it against various sources or validating it through predefined criteria. This crucial step aims to enhance data quality and trustworthiness.
How can you verify data?
- Double entry. Enter data twice and compare entries for consistency, aiding in error detection like typos.
- Sampling. Select a representative data sample to identify patterns and trends, verifying accuracy.
- Field checks. Verify data accuracy in specific fields or columns.
- Cross-referencing. Compare data from multiple sources to ensure consistency and accuracy.