Chemical Science and Technology
Laboratory
Key Issue 2 –
Data Integrity
Data
Integrity
– the correctness of the
information stored in the database, and selection has to be made based
on the clean data
Current
Status of Database Quality – a large-scale numeric database without critical
evaluation may have an error rate of 2-5%.
Major
Error Types –
• Typographical errors
• Unit-conversion errors
• Report interpretation errors
• Metadata compilation errors
• Original report errors
Systematic
and iterative approach
