What are some effective data quality assurance methods?
Effective methods include data profiling, validation, cleansing, and regular audits to ensure accuracy.
Can you explain data profiling in more detail?
Data profiling involves analyzing data to understand its structure, content, and relationships, helping identify quality issues.
What tools can I use for data cleansing?
Popular tools for data cleansing include OpenRefine, Talend, and Trifacta, which help automate the process.
How often should I perform data quality audits?
It's recommended to perform data quality audits at least quarterly, but frequency can depend on your data usage.
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