[ABE-L] Seminários PIPGEs

[Michel H. Montoril]

Caros,

Gostaríamos de convidar a todos para o próximo seminário conjunto UFSCar/ICMC-USP, que ocorrerá no dia 25/06, às 14h. Seguem informações abaixo. Devido a problemas de invasões que têm ocorrido em alguns eventos online, o link do evento será divulgado apenas no dia [AQUI <http://www.pipges.ufscar.br/seminars/25-06-2021-online-updating-of-survival-analysis-speaker-jing-wu-university-of-rhode-island>].

Sintam-se à vontade para divulgar (arquivo em anexo) entre eventuais interessados.

Saudações,
Michel

Scheduled for:
Jun 25, 2021, at 2:00 pm
(GMT-03:00) Brasilia Standard Time - Sao Paulo
 
Streaming:
Google Meet
 
Speaker:
Jing Wu (University of Rhode Island)
 
Title:
Online Updating of Survival Analysis
 
Abstract: 
When large amounts of survival data arrive in streams, conventional estimation methods become computationally infeasible since they require access to all observations at each accumulation point. We develop online updating methods for carrying out survival analysis under the Cox proportional hazards model in an online-update framework. Our methods are also applicable with time-dependent covariates. Specifically, we propose online-updating estimators as well as their standard errors for both the regression coefficients and the baseline hazard function. Extensive simulation studies are conducted to investigate the empirical performance of the proposed estimators. A large colon cancer data set from the Surveillance, Epidemiology, and End Results (SEER) program and a large venture capital (VC) data set with time-dependent covariates are analyzed to demonstrate the utility of the proposed methodologies.

Bio:
Jing Wu is an assistant professor at the University of Rhode Island, USA. She received her Ph.D. in Statistics from the University of Connecticut, USA.  Her research interests primarily lie in missing data, big data, survival, and longitudinal data. Dr. Wu has published research articles in Journal of Computational and Graphical Statistics, Statistics in Medicine, Statistica Sinica, Technometrics, JAMA Oncology, and Journal of Clinical Oncology, among others.

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/* Michel H. Montoril, 
 * Assistant Professor,
 * Department of Statistics,
 * Federal University of São Carlos,
 * São Carlos, SP, 13565-905, Brazil
 */

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