[ABE-L] Seminários em Estatística e Ciência de Dados - Departamento de Estatística da UFBA

[Paulo C Rodrigues]

Prezados Colegas,

Apenas para relembrar do seminário de hoje às 18h00, ministrado pelo Prof.
Daniel Jeske (informação completa abaixo).

Um abraço,
Paulo.





On Thu, Nov 11, 2021 at 10:19 AM Paulo C Rodrigues <paulocanas em gmail.com>
wrote:

> Prezados Colegas,
>
> Na próxima terça-feira, dia* 16 de novembro, às 18h00*, vamos dar
> continuidade aos Seminários em Estatística e Ciência de Dados da
> Universidade Federal da Bahia.
>
> Este seminário será ministrado pelo *Professor Daniel Jeske*,
> do Department of Statistics, University of California, Riverside, USA.
>
> Daniel Jeske is a Professor in the department of statistics at the
> University of California, Riverside (USA), where he served as the
> department chair during 2008-2015.  He is also a Vice-Provost of Academic
> Personnel at UCR, and previously was Vice Provost of Administrative
> Resolution.  He is an elected fellow of the American Statistical
> Association and served on the board of directors during 2014-2016  He is
> the current President for the International Society of Business and
> Industrial Statistics (ISBIS), a society of the International Statistical
> Institute (ISI).  He is the past Editor-in-Chief of The American
> Statistician.  His research interests include classification and prediction
> methodologies, statistical process control methodologies, biostatistics
> applications, and reliability modeling.
>
>
> Os detalhes do seminários são os seguintes:
>
> ====================================================
> *Title*: Sample size calculations for mixture alternatives in a control
> group vs. treatment group design
>
> *Abstract*: We consider a control group versus treatment group
> experimental design and assert that powering the design for a potential
> treatment effect that is represented by a pure shift of the control group
> distribution is usually unrealistic. Instead, we propose the use of a
> mixture model as the design alternative in anticipation that there might be
> a sub-population in the treated population whose responses come from the
> same control group distribution. When the responses in the treatment group
> follow a mixture model, the sample size found by the traditional pure shift
> alternative based method is demonstrated to be underpowered. We develop a
> new sample size formula for the Wilcoxon test statistic and propose a more
> general definition of the treatment effect. Method of moment estimators of
> the treatment effect are proposed and their bias and mean squared error
> properties are evaluated. [Joint work with Bradley Lubich and Weixin Yao]
>
> *Data*: 18h00 do dia 16 de novembro de 2021
>
> *Transmissão ao vivo online em*: https://meet.google.com/ssj-cdnb-nbo
>
> ====================================================
>
> Partilhem com os vossos colegas!
>
> São todos bem-vindos!
>
> Um abraço,
> Paulo Canas Rodrigues
> Paulo Henrique Ferreira
>
>
> ----------------------------------------------------------------------------------------------------
> ----------
> Paulo Canas Rodrigues
> *Professor* at Federal University of Bahia <http://ufba.br>, Brazil
> *President*, Brazilian Region of the International Biometric Society
> <http://www.rbras.org.br>
> *President-Elect, International Society for Business and
> <https://www.isbis-isi.org/>**Industrial* *Statistics*
> <https://www.isbis-isi.org/>
> *(Founding) Chair,SIG on Data Science, of the International Statistical
> Institute <https://www.isi-web.org/>*
> *Vice-Coordinator*, Specialization in Data Science and Big Data
> <http://ecd.ufba.br>
> *Member of the Board of Directors, *Brazilian Statistical Association
> <https://www.redeabe.org.br/>
> *Editor for*: CompStat <https://www.springer.com/journal/180>, SOIC
> <http://www.iapress.org/index.php/soic>, Biom. Letters
> <http://www.up.poznan.pl/biometrical.letters/>, Rev.Bras.Biom.
> <http://www.biometria.ufla.br/index.php/BBJ>
>
> *CV Lattes*: http://lattes.cnpq.br/0029960374321970
> *Web*: www.paulocanas.org
>
> ----------------------------------------------------------------------------------------------------
> ----------
>
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