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DeWayne r derryberry, Ph. D mathematics Department, Idaho State University

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DeWayne R Derryberry, Ph. D

Mathematics Department, Idaho State University

The 2013 COMAP mathematics modeling team from Idaho State University that earned a meritorious designation. From left to right: Garrett Castle, Douglas Walker, Dr. Derryberry (coach), and Damon Herrera.

Tuesday, March 15, 2011

I believe sanity and realism can be restored to the teaching of Mathematical Statistics most easily and directly by entrusting such teaching largely to men and women who have had personal experience of research in the Natural Sciences”. Sir R. A. Fisher
Associate Professor, Idaho State University, Pocatello, ID

Fall 2012 – present

Assistant Professor, Idaho State University, Pocatello, ID

Fall 2006 – Spring 2012

Assistant Professor, University of Puget Sound, Tacoma, WA

Fall 2000 – Spring 2006

Visiting Assistant Professor, College of Business, Oregon State University, Corvallis, OR

Fall 1998 – Summer 2000

Research statement:
I may begin by noting that for much of my teaching life (shared about evenly between education and psychology) I have led a double life, teaching (without entire conviction) reluctant undergraduates how to use t and F to reject restrictive hypotheses, and teaching (also without entire conviction) not-so-reluctant graduates how to use goodness-of-fit indicators…to retain restrictive hypotheses.” Roderick P. McDonald
Like Dr. McDonald, I find that most of my teaching focuses on hypothesis tests and confidence intervals, but I am increasing taken by how rarely they are the right tool for research questions. Often the questions as are: Which model best fits the data?, How well does the model fit the data?, and Why is the data sometimes saying things that make no sense?

The vast majority of my publications involve working with scientists. This has recently included working with 1) Dr. St.Hilaire and Rakesh Mandel on possible links between climate, the distribution of endocrine disruptors, and prostate and estrogen response positive breast cancer, 2) Dr. Brey and his graduate students and the physiology of radiation in humans, and 3) Dr. Glenn and her graduate students on the use of lidar to estimate landscape characteristics in semi-arid environments.

"Numerical quantities focus on expected values, graphical summaries on unexpected values." John Tukey
Doctor of Philosophy in Statistics (Dec. 1998) College of Science, Oregon State University

Dissertation topic: Parametric Extensions of the Cox Regression Model

Further graduate study: Arizona State University (1990 –93): Mathematics, Microeconomics, Statistics, Management Science, Operations Management
Master of Science in Management Science (1990) College of Business, Arizona State University. Focus: Optimization, Decision Analysis, Applied Probability

Applied Project: Constrained Quadratic Programming Using an Interior Point Method

Bachelor of Science in Mathematics (1988) College of Liberal Arts, Arizona State University

Focus: Numerical Methods, Differential Equations

Courses taught:
All manner of introductory and intermediate applied statistics, regression, optimization, mathematical modeling, time series, calculus, probability, and mathematical statistics.

"An approximate answer to the right problem is worth a good deal more than an exact answer to an approximate problem." John Tukey
I am currently working on a book tentatively titled: Basic Data Analysis for Time Series with R: Regression and Model Selection with AR(m) Filters. For better or worse, it will unlike any other book I have seen on time series and will focus on the analysis of data, rather than using data to demonstrate mathematical models.
"The aim of science is to seek the simplest explanation of complex facts... Seek simplicity and distrust it." A. N. Whitehead
Aho, Ken, Derryberry, DeWayne, and Peterson, Teri. “Model selection for ecologists: the worldview of AIC and BIC” Ecology, to appear in a special issue on information criteria versus p-values.
Khalaf M, Brey RR, Harris JT, Derryberry D, Tabatadze G. “Monte Carlo Simulation of In-vivo Measurement of the Most Suitable Knee Position for the Optimal Measurement of the Activity”. Health Physics Journal In press.
“Evaluation of Am-241 Deposited in Different Parts of the Leg and Skeleton to Justify In-vivo Measurements of the Knee for Estimating Total Skeletal Activity” Khalaf, M., Brey, R., Derryberry D. Health Physics, January 2013, 57-62

“Remote sensing of sagebrush canopy nitrogen” Jessica J. Mitchell, Nancy F. Glenn, Temuulen T. Sankey, DeWayne R. Derryberry, Matthew J. Germino Remote Sensing of Environment, Volume 124, September 2012, Pages 217-223

“Spectroscopic detection of nitrogen concentrations in sagebrush” Jessica J. Mitchell, Nancy F. Glenn, Temuulen T. Sankey, DeWayne R. Derryberry,Matthew O. Anderson, Ryan C. Hruska, Remote Sensing Letters, Vol. 3, No. 4, July 2012, 285–294

“Estrogen receptor positive breast cancers and their association with environmental factors”

Sophie St-Hilaire, Rakesh Mandal, Amy Commendador, Sylvio Mannel and DeWayne Derryberry, International Journal of Health Geographics, May 10, 2011.

“Small-footprint LiDAR estimations of sagebrush canopy characteristics”, Mitchell, J., Glenn, N.F., Sankey, T., Derryberry, D.R., Anderson, M.O., Hruska, R., Photogrammetric Engineering and Remote Sensing, May 2010, 521-530.

“Errors in LiDAR-derived shrub height and crown area on sloped terrain” Nancy F Glenn; Lucas Spaete; Temuulen Sankey; DeWayne R Derryberry; Stuart Hardegree; Jessica J Mitchell to appear in Journal of Arid Environments 2011, 75 (4), 377-382
“Vegetation and slope effects on accuracy of a LiDAR-derived DEM in the sagebrush steppe”, Spaete, L., Glenn, N.F. , Derryberry, D.R., Sankey, T., Mitchell, J., Hardegree, S. Remote Sensing Letters 2011, 2 (4), 317-326

“Correlations between meteorological parameters and prostate cancer” S.St-Hilaire, S. Mannel, A. Commendador, R. Mandal, and D. Derryberry, International Journal of Health Geographics, April 21, 2010.

“Teaching Rank-based Tests by Emphasizing Structural Similarities to Corresponding Parametric Tests”.  DeWayne R. Derryberry, Sue B. Schou and W. J. Conover, Journal of Statistics Education, March 2010.
“Spatial trends of breast and prostate cancers in the United States between 2000 and 2005” Rakesh Mandal, Sophie St-Hilaire, John G Kie and DeWayne Derryberry
International Journal of Health Geographics 2009, 8:53.

New Interatheres (Mammalia, Notoungulata) from the Late Oligocene Salla Beds of Bolivia”, Ralph B. Hitz, Guillaume Billet and DeWayne Derryberry Journal of Paleontology; May 2008; v. 82; no. 3; p. 447-469; DOI: 10.1666/07-022.1

“A Scale-Location Adjustment for Proportional Hazards Deviance Residuals”, DeWayne R. Derryberry and Paul A.Murtaugh. Communications in Statistics: Theory and Methods (Vol. 29, Iss. 11, 2000).
“Models of Connectance in Food Webs”, Paul A. Murtaugh and DeWayne R. Derryberry. Biometrics (Vol. 54, page 54-61, June 1998).
JMP case study library
My 12 cases added to this library will appear soon..
Idaho Technology Incentive Grant (PI Robert Fisher)
Summer 2007-Spring 2008 ($78,100), Summer 2008-Spring 2009 Idaho ($93,400)

WILDEST program. The purpose of the grant being to train high school teachers to teach dual enrollment and AP statistics. The main effort involved a six weeks of training each of two summers. Some involvement with the high school teachers was maintained throughout the school year.

Invited talks
"Maturity is the capacity to endure uncertainty." John Finley
Oregon State University, Statistics Department Seminars, March 4, 2013.

“An Analysis of Wolf’s Sunspot Numbers (1700-1988)”.

Oregon State University, Statistics Department Seminar, May 17, 2010.

“Spatial relationships between breast and prostate cancer: Patterns and possible explanations”.

University of Puget Sound, Thompson Hall Science Seminar Series, March 2009,

“The Statistics of Cranial Plasticity Reconsidered, Again: Meta-analysis Shows Boas was Right”

Conferences and workshops
"The only relevant test of the validity of a hypothesis is comparison of its predictions with experience." Milton Friedman
R, Beyond the Basics, Brigham Young University, Department of Statistics, June19-21, 2013

Fourth Seattle Symposium in Biostatistics: Clinical Trials. University of Washington Biostatistics and the Fred Hutchinson Cancer Research Center, Seattle, WA Nov. 22-23, 2010

American Statistical Association – Joint Statistical Meetings, Salt Lake City, UT, July 29-August 3, 2007.
Mathematical Association of America – Pacific Northwest Section meeting. University of Puget Sound. April 2005.

Justus F. Seely Memorial Conference on Linear Models, Oregon State University

Corvallis, OR July 31 & August 1, 2003
Mathematical Association of America – Pacific Northwest Section meeting. Portland State University, June 2002.
Mathematical Association of America – Pacific Northwest Section meeting. Seattle Pacific University, May 2001.
Mathematical Association of America – Pacific Northwest Section meeting. University of British Columbia, June 2000.

Resume – DeWayne Derryberry

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