American Statistical Association
New York City
Metropolitan Area Chapter

Mailman School of Public Health
Columbia University
Department of Biostatistics Colloquium



CLUSTERING AND CLASSIFICATION OF FUNCTIONAL DATA

by

Prof. Surajit Ray
Boston University
Department of Mathematics and Statistics
Boston University


Abstract

Functional approaches to modeling dynamics of biological systems, trends in financial cycle, seasonal measurements of spectral bands in remote sensing, are becoming increasingly popular as a data analysis tool. On the other hand a recent approach aims at reducing the dimension of large $p$ small $n$ problems using a functional embedding of the p-dimensional vector (Talk by Hans-George Muller at JSM 2008). Clustering and classification is often an important final objective of functional data analysis, but most current techniques rely on a two step approach of first finding the functional basis and then performing clustering or classification based on these functions. In this research, we will discuss the challenges and provide directions towards developing a comprehensive functional clustering approach. Applications in Landclass classification using remote sensing data will be presented during the talk.


Date: Thursday, November 20, 2008
Time: 4:00 - 5:00 P.M.
Location: Mailman School of Public Health
Department of Biostatistics
722 West 168th Street
Biostatistics Computer Lab
6th Floor - Room 656
New York, New York

RESERVATIONS ARE NOT REQUIRED

Refreshments will be served at 3:30 P.M. in the
Biostatistics Conference Room (R627).


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