Statistical analysis

News and Updates

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NIST Team Directs and Measures Quantum Drum Duet

May 6, 2021

Like conductors of a spooky symphony, researchers at the National Institute of Standards and Technology (NIST) have “entangled” two small mechanical drums and

Divide and Conquer: New Algorithm Examines Crime-Scene Bullets Segment by Segment

March 26, 2020

On the morning of March 22, 1915, residents of the small town of West Shelby, New York, awoke to a horrific scene. A woman clad only in a bloodied nightgown lay

NIST Quest for Climate-Friendly Refrigerants Finds Complicated Choices

February 17, 2017

BOULDER, Colo. – Researchers at the National Institute of Standards and Technology (NIST) have just completed a multiyear study to identify the “best”

Projects and Programs

Advanced Microwave Radiometer Metrology

The goal of the project is to improve calibration methodologies for microwave radiometers,particularly those employed on small satellites (termed

Uncertainty Estimation in Interlaboratory Studies

Statistical modeling and analysis of interlaboratory comparisons pose several fundamental questions about determination of the consensus value and its

Radiative Decay of the Neutron

Quantum electrodynamics (QED) predicts that a neutron will decay into a proton, electron and anti-neutrino. A small fraction of the time, this beta-decay

A Comparison of WD-EPMA Heterogeneity Testing Procedures

The heterogeneity of the four elements in a TiAl(NbW) SRM 2061 alloy were determined from five specimens with WD-EPMA (wavelength dispersive – electron probe

Publications

VEMOS: A GUI for Evaluation of Similarity Metrics on Complex Data Sets

June 7, 2021

Author(s)

Gunay Dogan, Eve Fleisig

Similarity and dissimilarity metrics are a fundamental component of many tasks requiring the analysis and comparison of complex, often visual data. Applications

Decision Tree for Key Comparisons

April 27, 2021

Author(s)

Antonio Possolo, Amanda Koepke, David Newton, Michael R. Winchester

This contribution describes a Decision Tree intended to guide the selection of statistical models and data reduction procedures in key comparisons (KCs). The

Generative Adversarial Network Performance in Low-Dimensional Settings

April 20, 2021

Author(s)

Felix M. Jimenez, Amanda Koepke, Mary Gregg, Michael R. Frey

A generative adversarial network (GAN) is an artificial neural network with a distinctive training architecture, designed to create examples that faithfully

The Geographic Footprint of NIST Cooperative Research and Development Agreements and Licenses: Fiscal Year 2019

March 10, 2021

Author(s)

Michael J. Hall, Nicole Gingrich

Software

Smart Investment Tool

June 16, 2021

This tool calculates metrics for investment analysis documented in NIST Advanced manufacturing Series 200-5. It calculates net present value, internal rate of

Extreme Winds and Wind Effects on Structures

The Engineering Laboratory has an established long-term collaboration with the NIST Statistical Engineering Division in the analysis of extreme wind speeds and