Calculating the density and distribution function for the singly and doubly noncentral F. - Ronald W. Butler; Marc S. Paolella (Stat. Comput., 2002)

Approximation of power in multivariate analysis. - Ronald W. Butler; Andrew T. A. Wood (Stat. Comput., 2005)

The adaptive coherence estimator: a uniformly most-powerful-invariant adaptive detection statistic. - Shawn Kraut; Louis L. Scharf; Ronald W. Butler (IEEE Trans. Signal Process., 2005)

Exact distributional computations for Roy's statistic and the largest eigenvalue of a Wishart distribution. - Ronald W. Butler; Robert L. Paige (Stat. Comput., 2011)

Laplace approximation of Lauricella functions F A and F D. - Ronald W. Butler; Andrew T. A. Wood (Adv. Comput. Math., 2015)

Distribution results for a multi-rank version of the Reed-Yu detector. - Pooria Pakrooh; Louis L. Scharf; Ronald W. Butler (ACSSC, 2017)

Asymptotic expansions and saddlepoint approximations using the analytic continuation of moment generating functions. - Ronald W. Butler (J. Appl. Probab., 2019)

A MIMO Version of the Reed-Yu Detector and Its Connection to the Wilks Lambda and Hotelling $T^2$ Statistics. - Ronald W. Butler; Pooria Pakrooh; Louis L. Scharf (IEEE Trans. Signal Process., 2020)

Laplace approximations for hypergeometric functions with Hermitian matrix argument. - Ronald W. Butler; Andrew T. A. Wood (J. Multivar. Anal., 2022)

Distribution theory for dependent renewal-reward processes and their first-passage times using saddlepoint and residue expansions. - Ronald W. Butler (J. Appl. Probab., 2025)