Christopher R. Bilder, Ph.D.
University of Nebraska-Lincoln
Department of Statistics
340 Hardin Hall North, East Campus
Lincoln, NE 68583-0963
Phone: (402) 472-2903
Website: www.chrisbilder.com
E-mail: and
Programs -
OTC_examples.R (provides many examples of how to find the OTC for a variety of group testing
algorithms) and OTC_Functions.zip (programs that contain functions
used by OTC_examples.R)
Wang, D., McMahan, C., Tebbs, J., and Bilder, C. (2018). Group testing case identification with
biomarker information. Computational Statistics and Data Analysis 122, 156-166.
Warasi, M., McMahan, C., Tebbs, J., and Bilder, C. (2017).
Group testing regression models with dilution submodels. Statistics in Medicine 36(30), 4860-4872.
Warasi, M., Tebbs, J., McMahan, C., and Bilder, C. (2016).
Estimating the prevalence of multiple diseases from two-stage hierarchical pooling. Statistics in Medicine
35(21), 3581-3864.
Black, M., Bilder, C., and Tebbs, J. (2015).
Optimal retesting configurations for hierarchical group testing. Journal of the Royal Statistical Society:
Series C (Applied Statistics) 64(4), 693-710.
web_examples.R - Code to duplicate a few examples from Sections 3 and 4
Tebbs, J., McMahan, C., and Bilder, C. (2013). Two-stage hierarchical group
testing for multiple infections with application to the Infertility Prevention Project.
Biometrics 69(4), 1064-1073.
McMahan, C., Tebbs, J., and Bilder, C. (2013). Regression models for group testing data with pool
dilution effects. Biostatistics 14(2), 284-298.
Application.R - Fit the
model; Notes: 1) Additional code is given to simulate a data set and 2) We
do not provide examples of estimating the biomarker distribution
Bilder, C. and Tebbs, J. (2012). Pooled testing procedures for screening high volume clinical
specimens in heterogeneous populations. Statistics in Medicine
31(27), 3261-3268.
Histograms of the estimated individual probabilities
Bilder, C. and Tebbs, J. (2011). Informative Retesting Procedures to Assay High Volume
Clinical Specimens. Paper for the 58th World Statistics Congress of the International Statistical
Institute.
Histograms of the estimated individual probabilities
Bilder, C. and Tebbs, J. (2009). Bias, efficiency, and agreement for
group-testing regression models.Journal of Statistical Computation and Simulation 79(1), 67-80.
Bilder, C. and Tebbs, J. (2005). Empirical Bayesian estimation of the disease transmission probability in
multiple-vector-transfer designs.Biometrical Journal 47(4), 502-516.
RB_RE.R - Finds the relative bias and relative efficiency
swallow1985.txt - Values of p, n, and s in Table 1 of Swallow (1985)
Coverage.R - Calculates the coverage levels for equal-tail, HPD,
and Wald intervals; Summary of the coverage
Ornaghi.R - Calculates the estimates for the example from Ornaghi et al. (Maydica,
1999)
Tebbs, J. and Bilder, C. (2004). Confidence interval procedures for the probability of disease transmission in
multiple-vector-transfer designs. Journal of Agricultural, Biological, and Environmental Statistics
9(1), 75-90.
exact_coverage_revised_no_restrict6.R
- Finds the exact coverage probabilities, mean lengths, MAD_{1-a},
and P_{1-a} for each confidence interval method
Ornaghi_example_revised5.R - Calculates the confidence intervals
for the example from Ornaghi et al. (Maydica, 1999)
Journal articles without supplementary material
McMahan, C., Tebbs, J., Hanson, T., and Bilder, C. (2017). Bayesian regression for group testing data.
Biometrics 73(4), 1443-1452.
McMahan, C., Tebbs, J., and Bilder, C. (2015). Rejoinder to "A note on the evaluation of group testing algorithms in the presence of misclassification."
Biometrics 72(1), 303-304.
Zhang, B., Bilder, C., and Tebbs, J. (2013). Group
testing regression model estimation when case identification is a goal. Biometrical Journal 55(2), 173-189.
Black, M., Bilder, C., and Tebbs, J. (2012). Group
testing in heterogeneous populations by using halving algorithms. Journal of the Royal Statistical Society: Series C (Applied Statistics)
61(2), 277-290.
Chen, P., Tebbs, J., and Bilder, C. (2009). Global Goodness-of-fit for Group Testing Regression Models.
Statistics in Medicine 28(23), 2912-2928.
Tebbs, J. and Bilder, C. (2006). Hypothesis tests for and against a simple order among proportions
estimated by pooled testing. Biometrical Journal 48(5), 792-804.
Bilder, C. (2005). Group testing model estimation and inference. 2005 Proceedings of the American
Statistical Association, Biometrics Section [CD-ROM], Alexandria, VA: American Statistical Association, 177-182.
Bilder, C. and Tebbs, J. (2004). Empirical Bayesian estimation of the disease transmission probability in
multiple-vector-transfer designs. 2004Proceedings of the American Statistical Association, Biometrics Section [CD-ROM], Alexandria, VA: American Statistical Association,
277-284.
Tebbs, J., Bilder, C., and Moser, B.
(2003). An Empirical Bayes Group-Testing Approach to Estimating Small Proportions.
Communications in Statistics: Theory and Methods 32(5), 983-995.
Joyner, C., McMahan, C., Tebbs, J., and Bilder, C. "From mixed-effects modeling to spike and slab variable selection: a Bayesian regression,"
Contributed paper, IBS ENAR meeting, March 28, 2018; Atlanta, GA.
Mokalled, S., McMahan, C., Tebbs, J., and Bilder, C. "Acknowledging the dilution effect in group testing regression: a new approach,"
Contributed paper, IBS ENAR meeting, March 28, 2018; Atlanta, GA.
McMahan, C., Liu, Y., Tebbs, J., Bilder, C., and Gallagher, C."
A Bayesian generalized additive model for group testing data,"
Contributed paper, IBS ENAR meeting, March 26, 2018; Atlanta, GA.
Bilder, C., Tebbs, J., and McMahan, C. "Hierarchical group testing with multiplex assays in heterogeneous populations,"
Accepted contributed oral presentation, Royal Statistical Society International Conference,
September 6, 2017; Glasgow, Scotland.
Bilder, C., Tebbs, J., and McMahan, C. "Hierarchical group testing with multiplex assays in heterogeneous populations,"
Accepted contributed oral presentation, Joint Conference on Biometrics & Biopharmaceutical Statistics,
August 30, 2017; Vienna, Austria.
Bilder, C., Tebbs, J., and McMahan, C. "Informative group testing for multiplex assays,"
Contributed speed session presentation, Joint Statistical Meetings, July 31, 2017; Baltimore, MD.
Tebbs, J., McMahan, C., Hanson, T., and Bilder, C.
"Bayesian regression for group testing data," Contributed paper, Conference on Applied Statistics in Agriculture, April 24, 2017; Manhattan, KS.
Mou, X., Tebbs, J., McMahan, C., and Bilder, C. "Back-end disease screening using information theory,"
Contributed paper, IBS ENAR meeting, March 15, 2017; Washington, DC.
Bilder, C., Tebbs, J., McMahan, C., and Hitt, B. "Optimal pool sizes for group
testing," Contributed poster, IBS ENAR meeting, March 12, 2017; Washington, DC.
McMahan, C., Tebbs, J., and Bilder, C. "Bayesian regression of group testing data,"
Contributed poster, IBS ENAR meeting, March 12, 2017; Washington, DC.
Warasi, M., Tebbs, J., McMahan, C., and Bilder, C. "Using hierarchical group testing to estimate the prevalence of multiple diseases,"
Contributed poster, IBS ENAR meeting, March 12, 2017; Washington, DC.
Bilder, C., Tebbs, J., McMahan, C., and Hitt, B. "Objective functions for group testing,"
Accepted contributed paper, International Biometric Conference, July 15, 2016; Victoria, BC.
Hou, P., Tebbs, J., and Bilder, C. "Hierarchical group testing for multiple infections,"
Contributed paper, IBS ENAR meeting, March 17, 2015; Miami, FL. (Student travel award winning paper)
Tebbs, J., McMahan, C., and Bilder, C., "Group testing for multiple infections with application to the Infertility
Prevention Project," Topic contributed paper, Joint Statistical Meetings, August 4, 2013; Montreal, QC.
McMahan, C., Tebbs, J., Hanson, T., and Bilder,
C., "Bayesian regression models for group testing data," Topic contributed
paper, Joint Statistical Meetings, August 4, 2013; Montreal, QC.
Black, M., Bilder, C., and Tebbs, J. "Optimal
retesting configurations for hierarchical group testing," Topic
contributed paper, Joint Statistical Meetings, August 4, 2013; Montreal, QC.
McMahan, C., Tebbs, J., and Bilder, C.,
"Regression models for group testing data with pool dilution effects,"
Contributed paper, IBS ENAR meeting, March 11, 2013; Orlando, FL.
Zhang, B., Bilder, C., and Tebbs, J.,
"Incorporating retests into group testing regression model estimation,"
Contributed paper, Joint Statistical Meetings, August 2012; San Diego, CA.
McMahan, C., Tebbs, J., and Bilder, C.,
"Regression models for group testing data with pool dilution effects,"
Contributed paper, IBS ENAR meeting, April 1, 2012; Washington, DC.
Peng, Y., Tebbs, J., and Bilder, C., "Dorfman
group screening with multiple infections," Contributed paper, IBS ENAR
meeting, April 1, 2012; Washington, DC.
Zhang, B., Bilder, C., and Tebbs, J. "Group
testing regression models for multiple traits," Contributed poster,
Joint Statistical Meetings, August 2, 2011; Miami Beach, FL.
Bilder, C., Iwen, P., and Tebbs, J.,
"Alternative pooled testing procedures to evaluate high volume clinical
specimens," Accepted contributed poster, Association of Public Health
Laboratories Annual Meeting, June 6, 2011; Omaha, NE.
Bilder, C. and Tebbs, J., "Using pooled testing
to screen heterogeneous populations," Accepted contributed poster,
Thirteenth Biennial CDC Symposium on Statistical Methods, May 24, 2011;
Decatur, GA.
McMahan, C., Tebbs, J., and Bilder, C.
"Informative Dorfman screening," Contributed paper, IBS ENAR meeting,
March 22, 2011; Miami, FL. (Student travel award winning paper)
Black, M., Bilder, C., and Tebbs, J. "Group testing in heterogeneous populations using halving algorithms,"
Topic contributed paper, 2010 Joint Statistical Meetings, August 3, 2010;
Vancouver, BC.
McMahan, C., Tebbs, J., and Bilder, C.
"Informative array screening," Contributed poster, 2010 Joint Statistical
Meetings, August 2, 2010; Vancouver, BC.
Bilder, C., Zhang, B., Schaarschmidt, F., and
Tebbs, J. "binGroup: a package for group testing," Contributed paper, UseR! 2010, July 21, 2010; Gaithersburg, MD.
Bilder, C., Tebbs, J., and Chen, P. "Informative retesting," Contributed poster, 2009 Joint Statistical
Meetings, August 4, 2009; Washington, DC.
Tebbs, J., Chen, P., and Bilder, C. "Inference for variance components in generalized linear mixed models for
pooled binary response," Contributed paper, 2009 IBS ENAR meeting, March
18, 2009; San Antonio, TX.
Bilder, C. "Human or Cylon? Group testing on the
Battlestar Galactica to save humanity," Invited seminar, Department of
Statistics, Kansas State University, November 14, 2008; Manhattan, KS.
Bilder, C. "Cylon detection through group
testing," Invited seminar, Department of Statistics and Actuarial
Science, Simon Fraser University, April 13, 2007; Burnaby, BC.
Bilder, C. "Just group it!" Invited seminar,
Department of Preventive and Societal Medicine and Department of
Internal Medicine Section of Infectious Diseases, University of Nebraska
Medical Center, November 17, 2005; Omaha, NE. (This was an introduction
to group testing and a discussion of my NIH/NIAID grant proposal)
Bilder, C. "Just
group it!" Departmental seminar, Department of
Statistics, University of Nebraska-Lincoln, September 7, 2005; Lincoln,
NE. (This was just an introduction to group testing)
Bilder, C. and Tebbs, J. "Improved group
testing estimation of trait prevalence," Contributed poster, 2005 IBS ENAR meeting, March 20, 2005; Austin, TX.
Tebbs, J. and Bilder, C. "Confidence
interval procedures for the probability of disease transmission in
multiple-vector-transfer designs," Contributed paper, 2003 Joint
Statistical Meetings, August 5, 2003; San Francisco, CA.
Bilder, C. and Tebbs, J. "Estimating the
disease-transmission probability in multiple-vector transfer designs,"
Invited seminar, Oklahoma Chapter of the American Statistical
Association, April 10, 2003; Stillwater, OK.