Research interests

• Computing environments for statistics
• Statistical computing
• Statistical graphics

Selected professional memberships 

• American Statistical Association
• Association for Computing Machinery
• IEEE
• Institute for Operations Research and the Management Sciences (INFORMS)
• International Society for Bayesian Analysis (ISBA)
• International Statistical Institute

Selected awards and honors

• Statistical Computing and Graphics Award, Sections on Statistical Computing and Statistical Graphics of the American Statistical Association, United States, 2019
• Elected Member of ISI, 1994
• Elected Member of Oper. Res. Soc. of Amer, 1992
• Awarded Guggenheim Fellowship, 1992
• Elected Fellow of ASA, 1991
• Elected Fellow of IMS, 1988

Selected publications

• Tierney, L. (2021). Forward pipe operator and function shortcut syntax.
• Tierney, L. (2020). Reference counting in R.
• (2019). Improved discrete uniform sampling for R.
• (2018). Alternate Representations of Basic R Objects.
• Tierney, L. (2017). Just In Time Compilation for R. Iowa City .
• Tierney, L. (2017). Dynamic and Interactive Graphics in Lisp-Stat. pp. 134-140. Alexandria, VA: JSM Proceedings, Statistical Graphics Section: American Statistical Association.
• Tierney, L. (2016). Improvements to Byte Code Compilation in R.
• Tierney, L., Jarjour, R. (2015). proftools 0.99-0 package -- major update.
• Tierney, L. (2014). Initial work on reference counting in R.
• Tierney, L. (2014). Parallel Vectorized Math Functions in R.

Selected presentations

• Tierney, L. (2019, July) `Some Thoughts on Languages for Statistical Computing and Graphic. Invited Lecture presented at Joint Statistical Meetings, American Statistical Association, Institute of Mathematical Statistics, Biometric Society, Denver, Colorado.
• Tierney, L. (2019, July) The R Bytecode Compiler and VM. Conference Presentation presented at Riot 2019, Toulouse, France.
• Tierney, L. (2018, July) ALTREP: Alternate Representations of Basic R Objects. Invited Lecture presented at Directions in Statistical Computing, R Foundation, Brisbane, Australia.
• Tierney, L. (2017, December) ALTREP: A framework to support alternate representations of basic R objects. Keynote/Plenary Address presented at Annual Meeting of the NZSA, New Zealand Statistical Association, Auckland, New Zealand.
• Tierney, L. (2017, July) Dynamic and Interactive Graphics in Lisp-Stat. Invited Lecture presented at Joint Statistical Meetings, Iowa City.