# Improvement of principal component analysis modeling for plasma etch processes through discrete wavelet transform and automatic variable selection

> Research article (Computers & Chemical Engineering, 2016) · cited 18× · AI/ML

**Wikidata**: [openalex:W2517333941](https://www.wikidata.org/wiki/openalex:W2517333941)  
**Source**: https://4ort.xyz/entity/improvement-of-principal-component-analysis-modeling-for-plasma-etch-processes-through-discrete-wavelet-transform-and-au