# An Enhanced Trace Ratio Linear Discriminant Analysis for Fault Diagnosis: An Illustrated Example Using HDD Data

> Research article (IEEE Transactions on Instrumentation and Measurement, 2019) · cited 18× · AI/ML

**Wikidata**: [openalex:W2921114990](https://www.wikidata.org/wiki/openalex:W2921114990)  
**Source**: https://4ort.xyz/entity/an-enhanced-trace-ratio-linear-discriminant-analysis-for-fault-diagnosis-an-illustrated-example-using-hdd-data