Attribute Charts for Monitoring a Dependent Process. - Deborah K. Shepherd; Charles W. Champ; Steven E. Rigdon; Howard T. Fuller (Qual. Reliab. Eng. Int., 2007)

Properties of the Markov-Dependent Attribute Control Chart with Estimated Parameters. - Deborah K. Shepherd; Charles W. Champ; Steven E. Rigdon (Qual. Reliab. Eng. Int., 2016)

To shrink or not to shrink: Hotelling's T2 chart based on shrunken covariance estimates. - Deborah K. Shepherd; L. Allison Jones-Farmer; Steven E. Rigdon; Kevin M. Bodden (Qual. Reliab. Eng. Int., 2018)

Are principal components with estimated parameters feasible in multivariate process control? - Deborah K. Shepherd; Steven E. Rigdon (Qual. Reliab. Eng. Int., 2022)