M-estimation in a diffusion model with application to biosensor transdermal blood alcohol monitoring

02/13/2020
by   Maria Allayioti, et al.
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With the goal of well-founded statistical inference on an individual's blood alcohol level based on noisy measurements of their skin alcohol content, we develop M-estimation methodology in a general setting. We then apply it to a diffusion equation-based model for the blood/skin alcohol relationship thereby establishing existence, consistency, and asymptotic normality of the nonlinear least squares estimator of the diffusion model's parameter. Simulation studies show agreement between the estimator's performance and its asymptotic distribution, and it is applied to a real skin alcohol data set collected via biosensor.

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