Chemical Science and Technology Laboratory
Automation of Anomaly Detection
NIST/TRC
SOURCE
Anomaly Detection
Anomalous Data Report
·Chemical identification
·Data points
·Rejection flag
·Anomalous data value
·Weighted-average value
Correctness of Property values ·Physically meaningful data ·Property values lie within a normal range ·Single-property data consistency ·Multiple-property data consistency
Database
Rectification
Database Traceability :
·Reasons why changes were made
·Corrective actions taken
·Reference source used
·Person who made changes
·Chronology (date and time) for all corrections