Teaching    |    Research    |    Software/Online Calculators    |    Professional

Teaching (Recent Courses)

• STAT:3120 Probability and Statistics
• STAT:5100 Statistical Inference I
• STAT:5101 Statistical Inference II
• STAT:6510 Applied Generalized Regression
• ALPHA Seminar (1st year grad seminar)
• CSI: Crime Statistics Investigations  (freshman honors seminar)
• STAT:7510/BIOS:7410 Analysis of Categorical Data
• STAT:3101  Intro to Mathematical Statistics II
• STAT:1010  Statistics and Society (general education course)
• STAT:4100-1  Mathematical Statistics I and II

Research Interests

• Causal inference
• Copy detection on multiple-choice exams
• Fiducial inference
  
• Mean-minimum exact confidence intervals for binomial p
  
• Improved confidence and prediction intervals for contingency table parameters
• Statistical graphics
• Homogeneous linear predictor (HLP) regression modeling
• Multinomial-Poisson homogeneous (MPH) models for contingency tables
• ROC analysis using correlated data
• Analysis of crime and justice data
• Modeling multivariate categorical response data
• Generalized Linear Models
• Bayesian models for ordinal data

Software/Documentation and Online Calculators

• CI.binom  An R program to accompany "Mean-Minimum Exact Confidence Intervals,"  J.B. Lang, AmerStatist 2017.
• mph.fit  An R program for maximum likelihood fitting of multinomial-Poisson homogeneous (MPH) models for contingency tables.
• ci.table  An R program for computing Score, Likelihood-Ratio (aka Profile Likelihood), Power Divergence, and Wald confidence intervals for contingency table parameters. 
• Probability Calculator   An online calculator that computes probabilities and quantiles for several common distributions.
  

Professional

• Statistical Modelling--An International Journal (Associate Editor)
• Statistical Papers  (Associate Editor)
  
• Iowa Chapter of the American Statistical Association (Secretary/Treasurer, through 2014)

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Page Last Updated: Feb 26, 2018  (Joseph B. Lang)