Research Fellow at Monash University
2013-18 PhD (Statistics), Queensland University of Technology. Supervisor: Kerrie Mengersen.
Award APA ($24,500 Annually for 4 years) ; IDTC Top Up ($10,000 Annually for 4 years) .
Research Research covers model-based exploration methods of missing data, Bayesian longitudinal modelling of individual and group health in a mining site, optimal placement of Automatic Electronic Defibrillators (AEDs), modelling geospatial cardiac risk, and the production of R packages to facilitate research impact.
2008-12 B. PsychSc (Honours), University of Queensland. Supervisor: Philip Grove.
Research Conducted psychophysical research on whether sharpness of a leading edge in a 3D environment improves under specific scenarios of monocular occlusion in the thesis: “How Sharp is Sharp?: The Effect of Monocular Texture on Enhancing Sharpness.” Awarded first class honours.
2010 Exchange semester, McGill University. Studied History of Personality Theory, Abnormal Psychology, Psychology of Interpersonal Relationships, Ethics, and Intermediate French.
2015 “Statistical Methods for Science”. Developed computer lab material with RMarkdown, produced instructional videos, and taught workshops.
2015 Overall University Winner “The Joy of Stats” Sessional Teaching and Reflection Showcase (STARS)(Presentation).
2015 Vice-Chancellor’s Performance Award for innovation in teaching in SEB113 ($2,500).
2015- naniar: Extend ggplot to account for missing data.
2016- visdat: Visualise a whole dataframe at once.
2016- maxcovr: Tools for solving the Maximal Covering Location Problem in R.
2016- treezy: Tools for working with decision trees in R.
2018 “Bayesian Approaches to Modelling Occupational Health.” Tierney, N.J. Mengersen, K., Harden, F., Harden, M. BMJ Open. Submitted.
2018 Tierney, NJ., Reinhold, J., Mira, A., Weiser, M., Burkart, R., Benvenuti, C., Aurrichio, A. “Novel relocation methods for automatic external defibrillator improve out-of-hospital cardiac arrest coverage under limited resources” Resuscitation , Volume 125 , 83 - 89. doi: 10.1016/j.resuscitation.2018.01.055
2017 Tierney, Nicholas J. “visdat: Visualising Whole Data Frames”, The Journal of Open Source Software 2 (16) doi: 10.21105/joss.00355
2016 “Visualisation and statistical modelling techniques for the management of inventory stock levels” Sweatman, W.L., McGree, J., Carstens, C.J., Foster, K.J., Liu, S., Tierney, N.J., Trednick, E., Zaitouny, A. ANZIAM Journal 57, 130-162.
2016 “S3 Methods: A Simple Guide.” Tierney, N.J. arxiv.
2015 “Using Decision Trees to Understand Structure in Missing Data.” Tierney, N.J., Mengersen, K., Harden, F., Harden M. BMJ Open 5 (6). doi:10.1136/bmjopen-2014-007450.
2017 UseR! Narnia: Data structures and functions for consistent exploration of missing data, Brussels, Belgium
2017 Angletr “Narnia: Data structures and functions for consistent exploration of missing data” Anglet, France
2017 Wombat / MeDaScin Tidy Approaches to Missing Data, Melbourne, Australia
2016 Gates Cambridge group “Interactive Maps in R: Getting a lay of the land”, Nicholas Tierney, Cambridge University, UK.
2016 Università della Svizzera italiana Lugano “Data Mining Mining Data: Statistical Approaches in Occupational Health for a Mining Site” Nicholas Tierney.
2016 Workshop Organised by Monash Business Analytics Team (WOMBAT) “Be a Hawk Not a Turkey: How A Bird’s Eye View can Streamline Data Analysis”, Tierney, N.J. Melbourne Zoo, Melbourne, Australia.
2014 ASC / IMS Meeting Tierney, N.J., Mengersen, K., Pitchforth, J. “Understanding Missing Data: The Use of Classification and Regression Trees, and Boosted Regression Trees”, Sydney, Australia.
2018 “Tidy Principles for Missing Data Exploration using
naniar” Tierney, NJ. rstudioconf18, San Diego, USA. PDF
2017 “Now you see it? Now you don’t? The role of graphics in identifying MCMC convergence” Tierney, NJ., Cook, D, McBain, M. Bayes on the Beach, Gold Coast, Australia. PDF
2016 “Bayesian Approaches in Occupational Health Surveillance” Tierney, N.J., Mengersen, K., Clifford, S., Drovandi, C., Harden, F., Harden, M. World Meeting for the International Society for Bayesian Analysis.
2015 “The Sharpest Tool in the Shed” Tierney, N.J., Mengersen, K., Harden, F., Harden, M. Bayes on the Beach.
2015 “Integrating Occupational Hygiene, Medicine and Engineering in a Mining Context.” Harden, M., Steer, C., Harden, F., Butler, G., Mengersen, K., Tierney, N.J., Ann. Occup. Hyg., Vol. 59, No. Supplement 1, 1–47 doi:10.1093/annhyg/meu119. (Peer Reviewed Poster).
2014 “Missingness, Mixtures, and Multiple Imputation” Tierney, N.J., Mengersen, K., Harden, F., Harden, M. Bayes on the Beach.
2013- I maintain a personal blog, njtierney.com, to share code and statistics, and to engage in dialogue with the statistics and r-programming communities.
2018 Missing Data Imputations, UseR!2018, Brisbane, Australia.
2017 Reproducible Reporting Using RMarkdown and GitHub, Angletr, Anglet, France.
2015 Developing Bayesian Models for Ranking Academic Papers, Bayes on the Beach, Gold Coast, Australia.
2018 Berkeley Institute of Data Science (BIDS), Berkeley, California, USA, Feb 5 - Feb 9. Collaboration with Dr Karthik Ram on best practices for publishing data sources, and current technology issues in modern data science.
2017 Inter-Disciplinary Institute of Data Science at Università della Svizzera italiana (USI), Lugano, Switzerland, July 10 - July 14. Continuing Collaboration with Professor Antonietta Mira of USI and Professor Angelo Auricchio of the Center for Computational Medicine in Cardiology (CCMC) on optimising placement of Automatic Electronic Defibrillators (AEDs) in Switzerland.
2016 Inter-Disciplinary Institute of Data Science at Università della Svizzera italiana (USI), Lugano, Switzerland, June 18 - July 9. Collaboration with Professor Antonietta Mira of USI and Professor Angelo Auricchio of the Center for Computational Medicine in Cardiology (CCMC) on optimising placement of Automatic Electronic Defibrillators (AEDs) in Switzerland.
2018 Genentech, California, USA. February 15. Presented a talk “Why is that missing, and what can we do about it? Tools for missing data and beyond”.
2016 Gates-Cambridge Group, Cambridge University, England. July 20 - July 23. Presented a 2-hour workshop on using R for the exploration and visualisation of geospatial data.
2016 “Science Meets Parliament”, Canberra, Australia, fully sponsored travel provided by SSA.
2013 “Statistics for Journalists”, Australian Science Media Centre Brisbane, Australia.
2018 Principal Organiser of the third rOpenSci Unconference in Australia.
2018 Member of the Organising Committee for UseR!2018, Brisbane, Australia.
2017 Principal Organiser of the second rOpenSci Unconference in Australia.
2016 Principal Organiser of the first rOpenSci Unconference in Australia.
Statistics Society of Australia
2017- SSA General Committee Member for Victorian Branch of SSA.
2013-16 SSA Assistant Chair of Biostatistics.
2013-16 SSA Young Statisticians Representative for Queensland.
2017- Meeting Chair for Non-Uniform Monash Business Analytics Team (NUMBAT), Monash.
2014 Meeting Chair for Bayesian Research and Applications Group (BRAG), QUT.
Talks (Outside of conferences)
2018 Why is that missing, and what can we do about it? Tools for missing data and beyond, Genentech, San Francisco, USA
2018 Oh no, why is that missing? Practical tools for missing data, BARUGS, San Francisco, USA
2017 ≥ 5 things you (maybe) didn’t know about the world of R and statistics
2017 Melbourne Maths and Science Meetup Missing Data Challenges, Melbourne, Australia
2016 “Reproducible Research: Now you can, too! Reproducible Research: Now you can, too!“, BURGr Meetup, Brisbane, Australia.
2013-16 Industry Doctoral Training Centre (IDTC) Student Conferences, Various.
2013-16 Bayesian Research and Applications Group (BRAG) Research Meetings, Various.
- Machine Learning
- Bayesian Statistics
- Data visualisation
- Reproducible Reporting
2014- Master of Ceremonies at State and National Climbing Championships.
2014- Archivist of the UQMC.
2015 Magazine Editor of the UQMC.
2012,14 Executive Committee of the University of Queensland Mountain Club (UQMC).
2014 Appointed Honourary Life Member of the UQMC.
2007-09 Volunteer at Edmund Rice Camps.
Available upon request
Last updated: February 2018