Tommy Jones

70% of the cars on the road are between 6 and 14 years old. Most aren't equipped with sensors allowing manufacturers, regulators, and the public to see when a vehicle platform develops a quality issue, but owners do complain about their cars online. Tommy will tell you about the process of detecting

Because language is one of the most abundant and information rich data sources that exists, Tommy dreams of a world where we can measure ideas and narratives with the same level of scientific rigor that we use to measure the economy, effects of medical interventions, and other quantitative phenomena

tidylda implements the Latent Dirichlet Allocation (LDA) topic model in a way that is fast, flexible, and most importantly tidy. Wait. Who needs another LDA implementation though? Tommy will talk us through what makes tidylda so unique and provide examples to stir your imagination on new ways you ca

Epidemics — as we have all come to see first-hand — are full of uncertainty. Diagnostic test results are no exception. Some tests are more accurate than others due to specific characteristics of the test, and in some cases it may be important to consider the trade-offs of various tests before deploy

Topic models are hard to evaluate as the variables they measure are latent, i.e. unobserved. Most topic model evaluation has focused on coherence metrics to mimic human judgment or preference. Yet topic models are often not used merely for the pleasure of the human eye. Instead, topic models are oft