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Biostatistics Seminars

Department of Biostatistics Seminar Series


The Department of Biostatistics presents a regular speaker series each semester, generally on Thursday afternoon each week. Diverse experts lecture on their work in biostatistics.

Upcoming Biostats Seminars

Biostatistics Seminar Series

Nonparametric Procedures for Testing Order Among Multivariate Distributions - Shyamal D. Peddada

Thursday 2/15 3:30PM - 4:30PM
Public Health Auditorium (G23)

Shyamal D. Peddada, PhD, Professor & Chair, Department of Biostatistics, will present, "Nonparametric procedures for testing order among multivariate distributions."

Comparison of two or more ordered experimental groups on the basis of multivariate data is a common problem of interest in a wide range of applications such as in economics, finance, toxicology, clinical trials, etc.  Marginally, not only are the data not normally distributed, the shape of the distribution may even change with population (or experimental groups).  Thus the data are not likely to be multivariate normally distributed. Secondly, from an application point of view, often researchers are not only interested in determining whether the experimental groups are different from each other but whether they are “ordered” (in some sense) in the response vector.  Since the shape of the distribution may change over the experimental groups, it may not be sufficient or even meaningful to compare the mean vectors.  For example, even though the population means are identical the probability distributions could be very different. Consequently, standard multivariate methods such as the multivariate analysis of variance (MANOVA) may not suitable.   In this talk we describe some notions of stochastic ordering of multivariate random vectors and develop methodologies for testing such orders.  Resulting methodologies are illustrated using some examples from toxicology.  Time permitting, we shall discuss multivariate tests for the case of nearly singular distributions that can occur due to high dimensionality.  

Last Updated On Monday, February 12, 2018 by Temp, GSPH Marketing & Development
Created On Tuesday, February 06, 2018

Previous Biostats Seminars

Thu 6/14/2018
Biostatistics Seminar: Jenna Carlson, University of Pittsburgh Biostatistics Seminar Series
Biostatistics Seminar: Jenna Carlson, University of Pittsburgh
Thu 6/14/2018 3:00PM - 4:00PM
1149 Public Health, Foster Conference Room

Biostatistics guest speaker, Jenna Carlson, University of Pittsburgh, will present, "Population-Specific Reference Panels and Genetic Association Studies in Sāmoans."
Tue 5/29/2018
Biostatistics Seminar: Zeda Li, City University of New York Biostatistics Seminar Series
Biostatistics Seminar: Zeda Li, City University of New York
Tue 5/29/2018 2:00PM - 3:00PM
1149 Public Health, Foster Conference Room

Zeda Li, Paul H. Chook Department of Information Systems and Statistics, City University of New York, will present, “Adaptive Bayesian Time-Frequency Analysis of Multivariate Time Series”.

Thu 4/19/2018
Dynamic functional clustering with applications to the MAPP Study-Wensheng Guo-UPenn Biostatistics Seminar Series
Dynamic functional clustering with applications to the MAPP Study-Wensheng Guo-UPenn
Thu 4/19/2018 3:30PM - 4:30PM
Public Health Lecture Hall (A115)

Biostatistics guest speaker, Wensheng Guo, University of Pennsylvania, will present, "Dynamic functional clustering with applications to Multidisciplinary Approach to the Study of Chronic Pelvic Pain (MAPP) study."
Thu 4/12/2018
Biostatistical Methods for Wearable and Implantable Technology-Ciprian Crainiceanu-Johns Hopkins Biostatistics Seminar Series
Biostatistical Methods for Wearable and Implantable Technology-Ciprian Crainiceanu-Johns Hopkins
Thu 4/12/2018 3:30PM - 4:30PM
Public Health Auditorium (G23)

Biostatistics guest speaker, Ciprian Crainiceanu, Johns Hopkins University, will review some of the most used and useful sensors in Health Sciences and the ever expanding WIT (Wearable and Implantable Technology) analytic environment.

Thu 4/5/2018
A Logistic Regression Measurement Error Model For High-Dimensional Longitudinal Predictors Biostatistics Seminar Series
A Logistic Regression Measurement Error Model For High-Dimensional Longitudinal Predictors
Thu 4/5/2018 3:30PM - 4:30PM
Public Health Auditorium (G23)

Biostatistics guest speaker, Seonjoo Lee, Columbia University, will present, "A Logistic regression measurement error model for high-dimensional longitudinal predictors."
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Contact

For information on seminars and events in the department, contact:

Bernadette Kapko
bkapko@pitt.edu
412-624-3022

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