About Us

Steph de Silva is the data scientist behind Rex Analytics. Steph holds a Ph.D. in Econometrics and is a former lecturer in the field at the University of Sydney she has also taught Economics, Statistics and Finance at Swinburne University’s online campus.

Steph has worked in analytic and statistical consulting roles for organisations including the National Parks and Wildlife Service, the Department of Communications and the Arts, industry and academic research groups, among others.

She spent four years consulting for the World Bank as part of the organisation’s Pacific education team. She worked on projects for countries such as Laos, Papua New Guinea, Tonga, Myanmar, Cambodia, Timor Leste and Vanuatu.

Steph is also a regular writer on business, investment and data science and has published with The Constant Investor. You can find her on twitter here and on LinkedIn here.

Steph has expertise across both data science and economics domains. She has worked on projects providing advice on machine learning, AI and digital productivity, database design and build, forecasting and modelling, randomised control trials and personal finance.

 Steph de Silva,   Selected Publications

    2016

2015

  • Tongan Early Grade Reading Assessment: Baseline Survey Report, World Bank Report.
  • Evaluation of two types of glucose sensor for use with a real-time continuous glucose monitor in dogs and cats,” coauthored with W. Agnew, Australian Veterinary Practitioner 45(4) December 2015, p. 146-152.
  • Evaluating the Enhanced Bushfire Management Program: A Study by Rex Analytics, internal report commissioned by the National Parks and Wildlife Service.

   2014

  • Western Highlands Province Early Grade Reading Assessment (EGRA) Survey, 2013 Diagnostic Results Report, World Bank Report, coauthored with M. Machuca-Sierra.
  • Laos Early Grade Reading Assessment, 2012 Baseline Report, World Bank Report, coauthored with M. Machuca-Sierra.
  • East New Britain (ENB) Early Grade Reading Assessment (EGRA) Survey, 2012 Diagnostic Results Report, World Bank Report, coauthored with M. Machuca-Sierra.
  • National Capital District (NCD) Early Grade Reading Assessment (EGRA) Survey, 2012 Diagnostic Results Report, World Bank Report, coauthored with M. Machuca-Sierra.
  • Madang Early Grade Reading Assessment (EGRA) Survey, 2011 Diagnostic Results Report, World Bank Report, coauthored with M. Machuca-Sierra.

   2009

   2008

  • On the Specificity and Performance of Panel Unit Root Tests, Ph.D. thesis. Supervisor: A. R. Tremayne.

   2007

  • A Panel Stationarity Test for Series with breaks in Either Level or Trend, a working paper presented at the Econometrics Society of Australasia Meeting, July 2007.
  • A Panel Unit Root Test for a Fractionally Integrated Alternative, a presentation to the Statistical Society of Australia J.B. Douglas Postgraduate Award (joint winner).