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Emily Fox

Emily Fox

Distinguished Engineer, Apple & Professor, University of Washington

Emily Fox leads the Health AI team at Apple, where she is a Distinguished Engineer. She is also the Amazon Professor of Machine Learning in the Paul G. Allen School of Computer Science & Engineering and Department of Statistics at the University of Washington. She received an S.B., M.Eng., and Ph.D. from EECS at MIT. Emily has been awarded a Presidential Early Career Award for Scientists and Engineers (PECASE), Sloan Research Fellowship, ONR Young Investigator award, and NSF CAREER award. Her research interests are in large-scale Bayesian dynamic modeling, interpretability and computations, with applications in health and computational neuroscience.​

 

 “The joys and perils of leveraging mechanistic models in health ML: from Type 1 diabetes to COVID-19”

We are increasingly faced with the need to analyze complex data streams; for example, sensor measurements from wearable devices have the potential to transform healthcare. Machine learning — and moreover deep learning — has brought many recent success stories to the analysis of complex sequential data sources, including speech, text, and video. However, in health we are often limited to observing only a small subset of variables at play in an intricate physiological process. The result can be under-identifiability of the system, even in the presence of a lot of data. Using standard machine learning approaches in these cases can then result in clinically implausible predictions and inferences.

In some cases, aspects of the underlying mechanism are well understood and approximately modeled via a mechanistic model, such as a set of differential equations or a compartmental model. Unfortunately, mechanistic models often likewise bake in unrealistic assumptions that do not generalize well to broad populations or scenarios.

We explore hybrid approaches that combine the domain knowledge of mechanistic models with the flexibility and expressivity of machine learning methods. We also discuss when relying on the inductive bias provided by a mechanistic model can break down.

We explore these ideas through two use cases: Glucose forecasting in Type 1 diabetes and modeling the relationship between mobility and transmission in the COVID-19 pandemic.

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Fri. Oct 1 | 11:25 am – “The joys and perils of leveraging mechanistic models in health ML: from Type 1 diabetes to COVID-19“

WiDS Villach is an independent event organized by Olivia Pfeiler and Anita Kloss-Brandstätter in cooperation with AI Carinthia as part of the annual WiDS Worldwide conference organized by Stanford University and an estimated 200+ locations worldwide, which features outstanding women doing outstanding work in the field of data science. All genders are invited to attend all WiDS Worldwide conference events.

Join us in the heart of the Alps-Adriatic-region at Carinthia University of Applied Sciences!

office@widsvillach.org

Europastraße 4, 9524 Villach, Austria

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