Exact Inference

Confidence Interval of the Difference of Two Independent Binomial Proportions Using Weighted Profile Likelihood

Vivek Pradhan and Tathagata Banerjee
Communications in Statistics - Simulation and Computation (2008)

Small-Sample Comparisons of Confidence Intervals for the Difference of Two Independent Binomial Proportions

Thomas J. Santner, Vivek Pradhan, Pralay Senchaudhuri, Cyrus R. Mehta and Ajit Tamhane
Computational Statistics & Data Analysis 51, 5791 – 5799, August (2007)

Choice of Test for Association in Small Sample Unordered R x C Tables

S. Lydersen, V. Pradhan, P. Senchaudhuri and P. Laake
Statistics in Medicine; 26:4328–4343, February (2007)

Association and Haplotype Analysis of the Insulin Degrading Enzyme IDE Gene

Christopher J. Groves, Steven Wiltshire, Damian Smedley, Katherine R. Owen, Timothy M. Frayling, Mark Walker, Graham A. Hitman, Jonathan C. Levy, Stephen O'Rahilly, Stephan Menzel, Andrew T. Hattersley and Mark I. McCarthy
StatXact referenced in Diabetes, May (2003)

Aspirin Prophylaxis in Patients at Low Risk for Cardiovascular Disease: A Systematic Review of All Cause Mortality

John M. Boltri, Mark R. Akerson and Robert L. Vogel
StatXact referenced, Journal of Family Practice, August (2002)

Statistical Techniques for Comparing Measurers and Methods of Measurement: A Critical Review

John Ludbrook, Univ. of Melbourne, Parkville, Victoria, Australia.
Clinical and Experimental Pharmacology and Physiology (2002) 29, pp 527-536.

Exact Level and Power of Permutation, Bootstrap and Asymptotic Tests of Trend

Christopher D.Corcoran, Utah State University; and Cyrus R.Mehta, Harvard University and Cytel Software Corporation
Journal of Modern Statistical Methods (2001)

Exact Inference for Categorical Data

Cyrus R. Mehta and Nitin R. Patel
Harvard University and Cytel Software Corporation (1997)

Exact Permutational Tests for Group Sequential Clinical Trials

Cyrus Mehta, Nitin Patel, Pralay Senchaudhuri and Anastesies Tsiatis
Biometrics (1994)

SPSS 7.0 Exact Tests for Windows

Cyrus R. Mehta and Nitin R. Patel
SPSS (1989, 2011)

Importance Sampling for Estimating Exact Probabilities in Permutational Inference

Cyrus R. Mehta, Nitin R. Patel and Pralay Senchaudhuri
Journal of the American Statistical Association (1988)

On Computing an Exact Confidence Interval for the Common Odds Ratio in Several 2 x 2 Contingency Tables

Cyrus R. Mehta and Nitin R. Patel
Journal of the American Statistical Association (1985)

A Network Algorithm for Performing Fisher’s Exact Test in R x C Contingency Tables

Cyrus R. Mehta, Nitin R. Patel and Robert Gray
Journal of the American Statistical Association (1983)

Logistic Regression

Comparing MLE, MUE and Firth Estimates for Logistic Regression

Nitin Patel, Cytel Co-Founder, CTO, Chairman
American Staitstical Association's Joint Statistical Meeting (2013) Accepted Presentation

Bias Reduction and a Solution for Separation of Logistic Regression with Missing Covariate

Tapabrata Maiti and Vivek Pradhan
Biometrics (2008)

A Preliminary Investigation of Maximum Likelihood Logistic Regression versus Exact Logistic Regression

Elizabeth N. King and Thomas P. Ryan
The American Statistician, August (2002), Vol. 56, No. 3, pp 163-170z

A Modified Score Function Estimator for Multinomial Logistic Regression in Small Samples

Shelley B. Bull, Carmen Mak and Celiea M.T. Greenwood
Computational Statistics and Data Analysis, 39 pp 57-74 (2002)

Efficient Monte Carlo Methods for Conditional Logistic Regression

Cyrus R. Mehta, Nitin R. Patel and Pralay Senchaudhuri
Journal of the American Statistical Association, March (2000), Vol. 95, No. 449, Theory and Methods, pp 99-108

Exact Logistic Regression - Theory and Examples

Cyrus R. Mehta and Nitin Patel
Statistics in Medicine (1995)