NSF Math Sciences and Digital Government Products: David W. Scott

Software:

Functions for robust density and regression fitting.

Available for both S-Plus and R systems. Download here:

Publications:

2005

Scott, D.W. (2005) ``Clustering by Local Skewering,'' Proceedings of the U.S. Army Conference on Applied Statistics, in press. (pdf)

Christian, B., Shaw, C., Noyola-Martinez, J., Gustin, M., Scott, D., Guerra, R. (2005). ``Chromosomal spatial correlation of gene expression in P. falciparum,'' Methods of Microarray Data Analysis V, Springer-Verlag, New York, to appear.

2004

Scott, D.W. (2004), ``Outlier Detection and Clustering by Partial Mixture Modeling,'' Proceedings of COMPSTAT 2004, Prague, in press. (pdf)

Scott, D.W. and Sain, S.R.(2004), ``Multi-Dimensional Density Estimation,'' in Handbook of Statistics---Vol 23: Data Mining and Computational Statistics, Edited by C.R. Rao and E.J. Wegman, Elsevier, Amsterdam. (pdf)

Scott, D.W. (2004), ``Partial Mixture Estimation and Outlier Detection in Data and Regression,'' in Theory and Applications of Recent Robust Methods, edited by M. Hubert, G. Pison, A. Struyf and S. Van Aelst, Series: Statistics for Industry and Technology, Birkhauser, Basel, pp.~297--306. (pdf)

Scott, D.W. (2004). ``Alternatives to Mixture Modeling in High Dimensions,'' Invited talk, Proceedings Interface of Computing Science and Statistics. Baltimore, MD, May 28, 2004.

Scott, D.W. (2004), ``Multivariate Density Estimation and Visualization,'' in Handbook of Computational Statistics: Concepts and Methods, Edited by J.E.~Gentle, W. Haerdle, and Y. Mori, Springer, New York, pp.~517--538. (postscript)

2003

Scott, D.W. and Christian, J.B. (2003). ``Finding Outliers in Models of Spatial Data.'' Proceedings of the Third National Conference on Digital Government, E Hovy, Ed., Digital Government Research Center, Boston, pp. 33-38. (pdf)

Scott, D.W. (2003), ``The Case for Statistical Graphics,'' Amstat News, September issue. (word)

Scott, D.W. (2003), ``Computational Issues in Nonlinear Optimization for Robust Estimation and Outlier Detection Using a Multivariate Minimum Distance Criterion,'' Bulletin of the International Statistical Institute 54th Session: Proceedings, Berlin, pp. 1-3. (postscript)

Whittaker, G., Fare, R., Srinivasan, R. and Scott, D.W. (2003), ``Spatial Evaluation of Alternative Nonpoint Nutrient Regulatory Instruments,'' Water Resources Research, 39, 1079--1088.

2002

Sain, S.R. and Scott, D.W. (2002). ``Zero-Bias Bandwidths for Locally Adaptive Kernel Density Estimation,'' Scandinavian Journal of Statistics, 29, 441--460. (postscript)

Christian, J.B. and Scott, D.W. (2002). ``A Theory and Implementation of Smooth Conditional Maps.'' Proceedings of the Second National Conference on Digital Government, E Hovy, Ed., Digital Government Research Center, Los Angeles, 69-74. (pdf)

Christian, J.B. and Scott, D.W. (2002). ``Conditional Maps in Arcview.'' Proceedings of the Second National Conference on Digital Government, E Hovy, Ed., Digital Government Research Center, Los Angeles, 399-402. (pdf)

2001

Scott, D.W. (2001), ``Parametric Statistical Modeling by Minimum Integrated Square Error,'' Technometrics, 43, 274--285. (pdf)

Scott, D.W. (2001), ``Probability Density Estimation,'' International Encyclopedia of the Social and Behavioral Sciences, N. J. Smelser and Paul B. Baltes, eds., Pergamon, Oxford, pp. 12095-12099. (postscript)

Scott, D.W. and Szewczyk, W.F. (2001), ``The Stochastic Mode Tree and Clustering,'' J. Comp. Graph. Stat., tentatively accepted.

Scott, D.W. and Wojciechowski, W.C. (2001), ``Conditioning Multiple Maps,'' Proceedings of the First National Conference on Digital Government, E Hovy, Ed., Digital Government Research Center, Los Angeles, pp. 33-39. (pdf)

2000

Wojciechowski, W.C. and Scott, D.W. (2000), ``High-Dimensional Visualization Using Continuous Conditioning,'' Computing Science and Statistics, 32, 267--274 (with movies).

Presentations (abstracts)

2005

``Remarks on Mixtures of Regressions,'' Invited talk, ENAR, Austin, Texas, March 23, 2005. (abstract)

``Understanding and Visualization of Feature Spaces for Biometrics Applications,'' Invited Talk, National Academy of Sciences, Workshop on Technology, Policy, and Cultural Dimensions of Biometric Systems Washington, DC, March 15-16, 2005. (pdf)

``Visualization, Feature Discovery, and Uncertainty,'' Invited Talk, National Academy of Sciences, Workshop on Visualization of Uncertain Information, Washington, DC, March 3-4, 2005. (pdf)

2004

``Data Mining, Clustering, and Robust Partial Mixture Estimation,'' invited speaker, October 22, 2004, 12th Merck-Temple Conference, Philadelphia, PA. (abstract)

``Outlier Detection and Digital Government Applications,'' invited colloquium, October 12, 2004, National Center for Atmospheric Research, Boulder, Colorado.

``Robust Minimum Distance Mixture and Regression Modeling,'' invited colloquium, October 11, 2004, Department of Statistics, Colorado State University, Fort Collins.

``Mode-Based Clustering and Data Skewers,'' invited colloquium, October 8, 2004, Department of Mathematics, University of Colorado at Denver.

``Outlier Detection and Clustering by Partial Mixture Modeling,'' Invited talk, August 24, 2004, Compstat 2004, Prague, Czech Republic. (abstract)

``Data Mining by Skewering a Data Cloud,'' July 27, 2004, 6th World Congress of the Bernoulli Society, Barcelona, Spain. (postscript)

``Lectures on Density Estimation, Clustering, Visualization, and Discrimination,'' July 6-9, 2004, Rice University Summer Institute of Statistics, NSF/NSA REU, Javier Rojo, PI.

``Alternatives to Mixture Modeling in High Dimensions,'' Invited talk, Interface of Computing Science and Statistics, Baltimore, MD, May 28, 2004. (abstract)

``Gaussian Mixture Estimation With Incomplete Models,'' Invited talk, Fifth Biennial International Conference of the International Indian Statistical Association (IISA), Athens, GA, May 15, 2004. (abstract)

``Solving Unusual Problems in Statistics,'' Invited talk, Houston Area Chapter of the American Statistical Association, Houston, April 13, 2004. (abstract)

``Partial Mixture Estimation for Outlier Detection, Mapping, and Clustering of Large Datasets,'' invited talk, Sixth Annual Winter Workshop on Data Mining, Statistical Learning, and Bioinformatics, University of Florida, Gainesville, January 8-10, 2004. (abstract)

``Partial Mixture Estimation and Outlier Detection in Data and Regression,'' invited colloquium, Statistics Dept, U. of Iowa, March 4, 2004; invited colloquium, Statistics Dept, Carnegie Mellon U., January 26, 2004; invited colloquium, Statistics Dept, Rice U., October 27, 2003; invited colloquium, Wharton School, U. Penn, October 15, 2003; invited talk, IDA-CCS, Bowie, MD, July 24, 2003; invited talk, ICORS 2003, Antwerp, July 14, 2003; invited talk, CSE, Ottowa, Canada, June 5, 2003; invited talk, Sabre, Dallas, May 27, 2003. (abstract)

2003

``Computational Issues in Nonlinear Optimization for Robust Estimation and Outlier Detection Using a Multivariate Minimum Distance Criterion,'' invited talk, International Statistical Institute, Berlin, August 15, 2003. (postscript)

``Remarks on Outliers and Smoothing Conditional Maps,'' invited talk, Joint Statistical Meetings, San Francisco, August 4, 2003. (abstract)

``Finding Outliers in Models of Spatial Data,'' invited talk, Third National Conference on Digital Government, Boston, May 19, 2003. (abstract)

``Partial Mixture Estimation With Application to Clustering,'' Invited talk, ENAR, Tampa, Florida, March 31, 2003. (abstract)

``Model Building and Diagnostics for Massive Data Sets,'' Invited talk, Interface of Computing Science and Statistics, Salt Lake City, Utah, March 13, 2003. (abstract)

``Remarks on Fitting Mixtures of Regressions and Handling Outliers in Data and Regression,'' Invited Colloquium, Department of Statistics, North Carolina State University, Raleigh, January 17, 2003; Invited seminar, NIOHS/CDC, Morgantown, WV, March 10, 2003. (abstract)

2002

``Discussion and New Opportunities for Visualization,'' Invited talk, Data Visualization Workshop, Augsburg, Germany, October 6-9, 2002. (abstract)

``Partial Mixture Estimation For Handling Outliers in Data and Regression,'' Invited Colloquium, Department of Statistics, University of Michigan, Ann Arbor, September 27, 2002. (abstract)

``Rich Mixtures for Multidimensional Smoothing,'' Invited Talk (joint with Bill Szewczyk), Nonparametric Section, Joint Statistical Meetings, New York City, August 12, 2002. (abstract)

``After Maximum Likelihood, What? Some Insights on Handling Outliers in Data Mining and Regression,'' Invited Talk, NASA Faculty Fellowship Program (200 hundred faculty and students), NASA Langley Research Center, Hampton, Virginia, July 30, 2002; Invited Talk, Data Mining Workshop, CSE, Ottawa, Canada, November 13, 2002. (abstract)

``Multivariate Density Estimation and Visual Clustering,'' Invited Tutorial, Eighth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, Edmonton, Alberta, Canada, July 25, 2002; Invited Tutorial, CSE, Ottawa, Canada, November 14, 2002. (abstract)

``Assessing Risk and Fairness: The Role of Statistical Science in Policy,'' invited talk, Cleveland Chapter of the ASA, Cleveland State University, June 5, 2002. (abstract)

``A New Approach to Finding and Testing Clusters,'' Invited presentation, Workshop on Developments and Challenges in Mixture Models, Bump Hunting and Measurement Error Models, Case Western Reserve University, Cleveland, June 2, 2002; Invited Colloquium, Department of Statistics, University of West Virginia, Morgantown, WV, March 9, 2003. (abstract)

``Remarks on Handling Outliers in Data and Regression,'' Invited paper, Workshop on Statistical Modeling and Inference, Institute of Statistics, Louvain-la-Neuve, May 21, 2002, Belgium; Invited Colloquium, Department of Statistics, University of Chicago, October 14, 2002. (abstract)

``Modeling the Stochastic Frontier with a Nonparametric Criterion,'' Invited paper, Annual Meeting of the French Statistical Society, May 16, 2002, Brussels, Belgium. (abstract)

``Partial Component Regression,'' Interface 2002, Contributed paper, April 18, 2002, Montreal; Invited Colloquium, Sabre, April 12, 2002, Dallas. (abstract)

``Conditional Maps of Continuous Variables'' Interface 2002, Contributed paper, with Blair Christian, April 18, 2002, Montreal. (abstract)

``From Kernels to Mixtures to Clusters,'' Interface 2002, Contributed paper, with Bill Szewczyk, April 18, 2002, Montreal.

2001

``Outlier Detection in Maps,'' NSF Digital Government Workshop, Washington, DC, November 1-2, 2001.

``On a New Approach to Robust Estimation,'' Plenary Address, 7th US Army Conference on Applied Statistics, Santa Fe, October 24, 2001. (abstract)

``Finding Outliers in Regression Data,'' Contributed Talk, Joint Statistical Meetings, Atlanta, August 8, 2001. (abstract)

``After Maximum Likelihood, What?,'' Plenary Address, SIAM Annual Meetings, San Diego, July 10, 2001. (abstract)

``Outlier Detection and Minimum Distance Applications,'' Invited Minisymposium Talk (with Bill Szewczyk), SIAM Annual Meetings, San Diego, July 10, 2001. (abstract)

``Outlier Detection by a Minimum Distance Criterion,'' Invited talk, Southern Regional Conference on Statistics, St. Augustine, FL, June 4, 2001. (abstract)

``Visual Clustering with Mixture Models,'' Invited Talk, Data Visualization II Workshop, George Mason University, May 24, 2001.

``Conditioning Multiple Maps,'' Invited talk (with W. Wojciechowski), National Conference for Digital Government Research, Los Angeles, May 21, 2001. (pdf)

``Nonparametric Clustering for Data Mining,'' Colloquium, University of Texas, April 20, 2001. (abstract)

``Clustering by Partial Mixture Estimation,'' Invited talk, Nonlinear Estimation and Classification Workshop, Mathematical Science Research Institute, Berkeley, March 19, 2001 (video presentation) (abstract-postscript)

``Nonparametric Clustering,'' Invited talk, Conference on Nonparametrics in Large, Multidimensional Data Mining, SMU, Dallas, January 13, 2001; Colloquium, Case Western Reserve University, March 6, 2001; Invited Talk, 33rd Symposium on the Interface of Computing Science and Statistics, Los Angeles, June 14, 2001. (abstract)

2000