[Ml-stat-talks] Fwd: Reminder: CSML Seminar: Amy Herring on Tuesday, November 10, 2015 at 12:30pm | Green Hall, Room 0-S-6

Barbara Engelhardt bee at princeton.edu
Fri Oct 30 13:19:27 EDT 2015


Talk of interest the Tuesday after Fall Break.

---------- Forwarded message ----------
Subject: Reminder: CSML Seminar: Amy Herring on Tuesday, November 10, 2015
at 12:30pm | Green Hall, Room 0-S-6
To: CSML-seminars at princeton.edu




Tuesday, November 10, 2015

Green Hall, Room 0-S-6

12:30pm-1:30pm

Amy Herring- University of North Carolina at Chapel Hill



*Title*: “Bayesian models for multivariate dynamic survey data: Sexual
fluidity in Add Health”



*Abstract*: Modeling and computation for multivariate longitudinal data
have proven challenging, particularly when data contain discrete
measurements of different types. The National Longitudinal Study of
Adolescent to Adult Health selected participants via stratified random
sampling, leading to discrepancies between the sample and population that
are further compounded by missing data.  Survey weights have been
constructed to address these issues, but including them in complex
statistical models is challenging.  Motivated by data on the fluidity of
sexuality from adolescence to adulthood, we propose a novel nonparametric
approach for mixed-scale longitudinal data.  The proposed approach relies
on an underlying variable mixture model with time-varying latent factors.
Bias arising  from the survey design and nonresponse is addressed using an
MCMC algorithm.  The approach is assessed via simulation and used to
address questions about the association among sexual orientation identity,
behaviors, and attraction over time.
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