Presentations

2022

SJ Walsh. An Effective and Efficient Computational Approach to Constructing the Pareto Frontier for Multi-Objective Optimal Experimental Design. Utah State University Department of Mathematics and Statistics. USU Datascience and Statistics Seminar. Tuesday, September 13, 2022. 

SJ Walsh. A Novel Particle Swarm Algorithm based on the Aitchison Geometry for Generating Exact Optimal Mixture Experiment Designs. (remote) Invited Talk: KU Leuven Design of Experiments Research Group. June 15, 2022.

SJ Walsh. Computing Advances in Generating Optimal Experimental Designs. Invited Talk: Los Alamos National Laboratory CCS-6. May 25, 2022.

SJ Walsh. The Elements of Bayesian Optimization. Utah State University, Department of Mathematics and Statistics. Weekly Machine Learning Group Seminar, June 20, 2022.

SJ Walsh Overview of Optimal Design of Experiments and Survey of Expanse of Application in Agricultural Studies. Conference on Applied Statistics in Agriculture and Natural Resources. Utah State University, May 17, 2022.

SJ Walsh. Extension and Adaptation of Particle Swarm Optimization to Optimal Design of Experiments. MAE/ECE Colloquium. Utah State University, April 7, 2022.

2021

SJ Walsh. Particle Swarm Optimization, Mixture Experimentas, and the Optimal Design Problem. Utah State University, Department of Mathematics and Statistics. Weekly Machine Learning Group Seminar, October 12, 2021.

SJ Walsh. Modern Research in Experimental Design. Utah State University, Department of Mathematics and Statistics. New Graduate Student Seminar, September 13, 2021.

SJ Walsh. Ph.D. Defense: Development and Applications of Particle Swarm Optimization for Generating Optimal Experimental Designs. Montana State University Department of Mathematical Sciences. March 24, 2021


2020 

PD Whitney, AM White, SJ Walsh. Human Behavioral Modeling for Threat Assessments, PNNL. Conference on Data Analysis. Sante Fe, NM. February 25-27, 2020. 

SJ Walsh, DK Fagan, A Heredia-Langner, Scott Cooley, D Hodges. Statistical Support for Design of Experiments, Quality Control, and Process Capability Assessment, and Data Analysis in a Uranium Fuel Fabrication Process, PNNL. Conference on Data Analysis. Sante Fe, NM. February 25-27, 2020 

2019 

SJ Walsh. Ph.D. Thesis Proposal: Development and Applications of Particle Swarm Optimization for Generating Optimal Experimental Designs. Montana State University open public presentation. Bozeman, MT. December 10, 2019. 

SJ Walsh and J Borkowski. Opportunities for Particle Swarm Optimization in Statistics. Meeting of the Montana Chapter of the American Statistical Association. Bozeman, MT. October 11, 2019. 

2018 

SJ Walsh and DK Fagan. Statistics Work Supporting the Development of a New Uranium Fuel Fabrication Process for High Performance Research Reactors, PNNL. MT PEAKS program public technical meeting. Bozeman, MT. September 27, 2018. 

SJ Walsh, DK Fagan, KK Anderson. Statistical Tools for QA in a Uranium Fuel Fabrication Process. PNNL. Meeting of the Montana Chapter of the Americal Statistical Association. Bozeman, MT. September 21, 2018. 

2017 

SJ Walsh and A Venzin. Variance components estimation for precision studies, data pathologies and mitigation strategies. Seibersdorf Scientific Seminar. Seibersdorf, Austria. March 13, 2017.

 2016

SJ Walsh, A Venzin, D Wegrzynek, C Mansoux. Using Reproducibility to Test the Adequacy of GUM Based Uncertainty Quantification. American Nuclear Society: Advances in Nuclear Nonproliferation Technology and Policy Conference: Bridging the Gaps in Nuclear Nonproliferation. Sante Fe, New Mexico, September 25 - 30 2016. 

SJ Walsh, A Venzin, D Wegrzynek . State-of-Practice Benchmarking Following International Quality Standards: Estimating Measurement Uncertainty via Reproducibility. Technical Meeting on Bulk Analysis of Environmental Samples for Safeguards. International Atomic Energy Agency, Vienna, Austria, August 30 - September 1 2016. 

A Venzin and SJ Walsh . 2015 US DOE Sponsored Proficiency Test for Bulk Analysis of Environmental Swipe Samples. Technical Meeting on Bulk Analysis of Environmental Samples for Safeguards. International Atomic Energy Agency, Vienna, Austria, August 30 - September 1 2016. 

D Wegrzynek and SJ Walsh . Significance of Detection Concept for Environmental Sample Bulk Analysis. Technical Meeting on Bulk Analysis of Environmental Samples for Safeguards. International Atomic Energy Agency, Vienna, Austria, August 30 - September 1 2016. 

A Venzin and SJ Walsh . IAEA 2015 Blind Interlaboratory Comparison - Determination of Low Level U and Pu in ES Swipes by Bulk Analysis. Technical Meeting on Bulk Analysis of Environmental Samples for Safeguards. International Atomic Energy Agency, Vienna, Austria, August 30 - September 1 2016. 

A Venzin and SJ Walsh. Consensus Value Estimation for Blank Swipes in Current production lot. Technical Meeting on Bulk Analysis of Environmental Samples for Safeguards. International Atomic Energy Agency, Vienna, Austria, August 30 - September 1 2016. 

S Boulyga, A Koepf, J Hiess, JA Cunningham, U Repinc, SD Balsley, A Venzin, SJ Walsh, D Wegrzynek, S Vogt. Mass Spectrometric Analysis of Pu in Nuclear Material Samples for Safeguards. ASTM C26 Nuclear Fuel Cycle Workshop. Vienna, Austria, June 13-14 2016. 

SJ Walsh. Summary of SGAS Capabilities for Designing, Implementing and Analyzing Interlaboratory Comparisons: Past Tests and Future Directions. European Safeguards Research and Development Association, 38th Annual Meeting - Destructive Analysis Working Group, Luxembourg, May 24-27 2016. 

SJ Walsh (Scientific Secretary). Design and Evaluation of Results of the IAEA Interlaboratory Comparison for Analysis of Impurities in Uranium. Technical Meeting on Analysis of Impurities in Uranium Samples. International Atomic Energy Agency, Vienna, Austria, February 23-25 2016. 

SJ Walsh (Scientific Secretary). Quality Assurance Considerations in Homogeneity Studies: Preparation for the 2016 Interlaboratory Comparison in Impurity Analysis and Certification of Heterogeneity in the Test Samples. Technical Meeting on Analysis of Impurities in Uranium Samples. International Atomic Energy Agency, Vienna, Austria, February 23-25 2016. 

2015 

SJ Walsh. Results of the 2015 Interlaboratory Comparison for Environmental Sampling Particle Analysis - Performance Scoring by Mahalanobis Distance and the Multivariate z-score. Technical Meeting on Particle Analysis of Environmental Samples for Nuclear Safeguards Purposes. International Atomic Energy Agency, Vienna, Austria, November 10-13 2015. 

SJ Walsh, D. Wegrzynek. Summary of the 2015 Proficiency Test for Determination of Uranium and Plutonium Isotope Ratios in Nuclear Material Samples. Performance Assessment by Robust One-Way Analysis of Variance. Technical Meeting on Nuclear Material Round Robin. International Atomic Energy Agency, Vienna, Austria, October 7-9 2015. 

SJ Walsh, Z. Macsik. Experimental Design Considerations in precision studies, examples from the impurities homogeneity study. Safeguards Analytical Services Scientific Seminary. International Atomic Energy Agency, Seibersdorf, Austria, March 31 2015. 

2014 

SJ Walsh. Review of IAEA Conducted Quality Assurance for Bulk Analysis of Environmental Samples for Safeguards. Technical Meeting on Bulk Analysis of Environmental Samples for Nuclear Safeguards Purposes. International Atomic Energy Agency, Vienna, Austria, November 4-7 2014. 

SJ Walsh. Method for Estimating Consensus Values from Measurements of Blank Environmental Sample Swipes. Technical Meeting on Bulk Analysis of Environmental Samples for Nuclear Safeguards Purposes. International Atomic Energy Agency, Vienna, Austria, November 4-7 2014. 

SJ Walsh. Summary of the US DOE Sponsored Proficiency Test for Bulk Analysis and Establishment of Estimates of Reproducibility Precision. Technical Meeting on Bulk Analysis of Environmental Samples for Nuclear Safeguards Purposes. International Atomic Energy Agency, Vienna, Austria, November 4-7 2014. 

SJ Walsh. Comments on Methods for Computing Detection Limits: State-of-practice and Directions of the State-of-the-art. Technical Meeting on Bulk Analysis of Environmental Samples for Nuclear Safeguards Purposes. International Atomic Energy Agency, Vienna, Austria, November 4-7 2014. 

SJ Walsh. Results of the 2014 IAEA Proficiency Test for High Resolution Gamma Spectrometry. Technical Meeting on Bulk Analysis of Environmental Samples for Nuclear Safeguards Purposes. International Atomic Energy Agency, Vienna, Austria, November 4-7 2014. SJ Walsh and U Repinc. Quality Control in the IAEA Nuclear Material Laboratory. Technical Meeting Reference Materials for Destructive Analysis in the Nuclear Fuel Cycle. International Atomic Energy Agency, Vienna, Austria, September 2-4 2014. 

SJ Walsh. Quality Assurance Considerations in Interlaboratory Comparison: Status of the Homogeneity Study of Impurities in Uranium Bearing Material. Technical Meeting Reference Materials for Destructive Analysis in the Nuclear Fuel Cycle. International Atomic Energy Agency, Vienna, Austria, September 2-4 2014. 

SJ Walsh. Proficiency Test Assessment following ISO 13528 Guidelines for DOE Round-Robin 2013. United States Department of Energy Technical Meeting on Bulk Analysis of Environmental Samples for Nuclear Safeguards Purposes. Washington, DC. April 17- 18 2014. 

2013 

SJ Walsh. Results of the Blind Interlaboratory Comparison for Particle Analysis of Environmental Samples for Nuclear Safeguards Purposes. Technical Meeting on Particle Analysis of Environmental Samples for Nuclear Safeguards Purposes. International Atomic Energy Agency, Vienna, Austria, November 5-8 2013. 

SJ Walsh. Statistical Considerations in Calibration Problems: Taxonomy, Parameter Estimation, Error Propagation and GUM. Technical Meeting on Statistical Methodologies for Nuclear Safeguards. International Atomic Energy Agency, Vienna, Austria, October 16-18 2013. Presentations - International Technical Meetings (continued) 

2012 

SJ Walsh. Results of Measurements of IAEA QC Samples by the Network of Analytical Laboratories. Technical Meeting on Bulk Analysis of Environmental Samples for Nuclear Safeguards. International Atomic Energy Agency, Vienna, Austria, November 6-8 2013. 

SJ Walsh. NWAL Blank Results and Estimation of Detection Limits. Technical Meeting on Bulk Analysis of Environmental Samples for Nuclear Safeguards. International Atomic Energy Agency, Vienna, Austria, November 6-8 2013.