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James H. Yen (Fed)

James Yen has been a member of the Statistical Engineering Division since 1997. He works in statistical data analysis, modeling, and computing in a wide variety of areas, including applications in forensic sciences, information technology, and homeland security. He has a long-standing involvement with the NIST project on the identification of  firearms and toolmarks. In addition, he has worked with the Organic Chemical Metrology group in the certification of over three dozen food and supplement Standard Reference Materials.

Technical Areas of Research and Consulting:

  • Forensic sciences, including firearms and toolmarks
  • Standard Reference Materials
  • Data analysis
  • Applied probability

Professional Activities and Societies and Standards Activities:

  • American Statistical Association Member


Certification of Standard Reference Material® 2386 Avocado Powder

Melissa M. Phillips, Laura J. Wood, George Caceres, Grace Hahm, Karen E. Murphy, Rick L. Paul, Benjamin Place, James H. Yen
The National Institute of Standards and Technology (NIST) recently released SRM 2386 Avocado Powder which has value assignment for over 70 analytes. This

Thermal Properties of Pyroceram Code 9606

Daniel R. Flynn, James H. Yen, James J. Filliben, Robert R. Zarr, E M. Hohlfeld
In the late 1950s, Corning Glass Works measured the heat capacity, thermal diffusivity, and thermal expansion of Pyroceram Code 9606. In the early 1960s the

Production and Analysis of RM 8403 Cocoa Flavanol Extract

Catherine A. Rimmer, Katrice A. Lippa, James H. Yen, Ugo Bussy, Gregory Hewitt, Nicholas P. Anderson, Catherine Kwik-Uribe
NIST Reference Material 8403 is intended for use in harmonizing methods for the determination of cocoa flavanols monomers and their oligomers up to a degree of
Created October 9, 2019, Updated June 15, 2021