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- Describing high-order statistical dependence using "concurrence topology," with application to functional MRI brain data. Homology, Homotopy and Applications 2014. 16:245-264 .
- An algorithm for unconstrained quadratically penalized convex optimization. Communications in Statistics: Simulation and Computation 2011. 40:1006-1029 .
- When a Constant Classifier is as Good as Any Linear Classifier. Communications in Statistics: Theory and Methods 2011. 40:3800-3811 .
- Temporal Dependence and Bias in Meta-Analysis. Communications in Statistics: Theory and Methods 2009. 38:2453-2462 .
- An algorithm for unconstrained quadratically penalized convex optimization. .
- Instability of statistical factor analysis. Proceedings of the American Mathematical Society 2004. 132:1805-1822 .
- Instability in nonlinear estimation and classification: Examples of a general pattern. .
- Blind deconvolution when noise is symmetric: Existence and examples of solutions. Annals of the Institute of Statistical Mathematics 2002. 54:758-767 .
- Singularity and outliers in linear regression with application to least squares, least absolute deviation, and least median of squares linear regression. METRON 2000. 58:121-129 .
- Reply to comment on ``Instability of least squares, least absolute deviation and least median of squares linear regression''. Statistical Science 1998. 13:347-350 .
- Instability of least squares, least absolute deviation and least median of squares linear regression (Disc: p344-350). Statistical Science 1998. 13:337-344 .
- Instability of least squares, least absolute deviation and least median of squares linear regression, with a comment by stephen portnoy and ivan mizera and a rejoinder by the author. Statistical Science 1998. 13:337-350 .
- Dimension of the singular sets of plane-fitters. The Annals of Statistics 1995. 23:490-501 .
- A note on the smoothness of $L^1$-estimators for the linear model. Sankhyā, Series A 1995. 57:221-226 .
- Measuring the local dimension of point clouds. Computational Statistics & Data Analysis 1994. 17:317-326 .
- Leverage and breakdown in $L_1$ regression. Journal of the American Statistical Association 1992. 87:143-148 .
- A note on the scope of distance-based methods. Sankhyā, Series A 1992. 54:464-471 .
- A metric representation for minimum chi square. Sankhyā, Series A 1991. 53:60-69 .
- Density estimation for point processes. Stochastic Processes and their Applications 1991. 39:345-358 .
- Topological aspects of the location problem for directional and axial data. International Statistical Review 1991. 59:389-394 .
- The singularities of fitting planes to data. The Annals of Statistics 1991. 19:1661-1666 .
- Measuring the local dimension of point clouds. .
- A geometric paradigm for exploratory data analysis. .
- Second-order approximation to the characteristic function of certain point-process integrals. Advances in Applied Probability 1987. 19:546-559 .
- A limit theorem for spatial point processes. Advances in Applied Probability 1986. 18:646-659 .