Talks and presentations

See a map of all the places I've given a talk!

The R Programming Language: Essential Tools for Academics

May 21, 2019

Talk, University of Wollongong, SMART Infrastructure Facility, Wollongong, Australia

The rapid expansion of the R statistical programming language has seen an explosion of tools to make researchers more productive. From giving talks and poster presentations to developing re-producible, version controlled research we take a tour of the latest and greatest tools and show you how to start using them today.

Unsupervised outlier detection systems for e-commerce

October 16, 2018

Talk, University of Wollongong, SMART Infrastructure Facility, Wollongong, Australia

For large e-commerce businesses, monitoring the rate at which users convert on their websites is essential. Given conversion rate data exhibits certain unique characteristics such as sub-daily time series, multiple seasonality, presence of trend and strictly non-negative values, detecting outliers by business users is non-trivial. We have explored a range of time series outlier detection methods to test and build a system for automatic outlier detection for e-commerce businesses.