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Mary Gregg (Fed)

Mathematical Statistician

Mary Gregg received a M.S. and a Ph.D. in Biostatistics from the University of Louisville, where her dissertation work focused on reweighting methods that correct for informative cluster size and informative intra-cluster group sizes in the analysis of clustered observations. Mary joined NIST in the fall of 2020 as a National Research Council postdoctoral associate, and as a permanent employee in 2022.  Her work at NIST includes interdisciplinary research relating to forensics, wireless communication, and statistical machine learning applications.

Awards

  • 2024 ITL Outstanding Collaboration, NIST
    For initiating and leading a productive collaboration across multiple NIST disciplines to advance the metrology of terrestrial laser scanners.
  • 2020-2022 Postdoctoral Associateship, National Academy of Science/National Research Council

SELECTED EXTERNAL PUBLICATIONS

Gregg, M, Datta, S., Lorenz, D. (2022). htestClust: A Package  for Marginal Inference of Clustered Data Under Informative Cluster Size. The R Journal. 14(2), 54-66. DOI:10.32614/RJ-2022-024.

Gregg, M., Datta, S., Lorenz, D. (2020). Variance Estimation in Tests of Clustered Categorical Data with Informative Cluster Size. Statistical Methods in Medical Research. 29(11), 3396-3408. DOI: 10.1177/0962280220928572.

Gregg, M., Datta, S., Lorenz, D. (2018). A Log Rank Test for Clustered Data with Informative Within-Cluster Group Size. Statistics in Medicine. 37(27), 4071-4082. DOI: 10.1002/sim.7899.

Publications

Report on the May 2025 NIST Measurement Week: Realization of an OSAC draft Interim Performance Assessment for Terrestrial Laser Scanners Used by Law Enforcement Agencies

Author(s)
Balasubramanian Muralikrishnan, Katharine Shilling, Mary Gregg, Vincent Lee, Jason Keller, Erin Casey, Eugene Liscio, Bryon O'Neil, Mike Russ, Toby Terpstra
This report describes a terrestrial laser scanner (TLS) testing event, the NIST Measurement Week, held at the National Institute of Standards and Technology

Data and Software Publications

Stabilograms for a Cellular Communication Anomaly Detection Experiment

Author(s)
Michael Frey, Mary Gregg, Jacob Rezac, Jason Coder, Aziz Kord, Melissa Midzor, Jeanne Quimby, Alec Weiss
Dataset includes stabilograms associated to a cellular communications anomaly detection experiment detailed in the publication Frey M, Gregg M, Rezac JD, Coder JB, Kord A, Otterstetter A, Quimby J
Created August 3, 2020, Updated August 6, 2024
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