"Application of Robust Statistics to Asset Allocation Models."

Welsch, Roy E. and Xinfeng Zhou. REVSTAT Vol. 5, No. 1 (2007): 97-114.

"Comparing Variable Selection Methods in Gene Selection and Classification of Microarray Data."

Roy E. Welsch and R. Menjoge. In 38th Symposium on the Interface of Statistics, Computing Science, and Applications 2006 (Interface 2006): Massive Data Sets and Streams, Atlanta, GA: May 2006.

"Algorithms for Robust Model Selection in Linear Regression."

S. Morgenthaler, A. Zenide and Roy E. Welsch. In Theory and Applications of Recent Robust Methods, edited by A. Struyf, G. Pison, M. Hubert, and S. Van Aelst. Basel, Switzerland: December 2004.

"Diagnostic Data Traces Using Penalty Methods."

Roy E. Welsch and L. McCann. In Proceedings in Computational Statistics: COMPSTAT 2004, edited by J. Antoch. Heidelberg, Germany: August 2004.

"High Dimensional Portfolio Risk Estimation."

Roy E. Welsch, G. Lauprete and A. Samarov. In Bulletin of the International Statistical Institute, The Hague, The Netherlands : December 2003.

"Collinearity Diagnostics: VIF’s Revisited."

Roy E. Welsch, E. Newton and A. Venetoulias. In Proceedings in Computational Statistics COMPSTAT 2002, edited by B. Ronz and W. Hardle. Heidelberg, Germany: August 2002.