On line registration is now closed , please 
          register on site.
          Registration Fee is $100CDN. However, for students, postdoctoral fellows 
          and invited speakers there is no fee. 
        Format: 
          Two days of invited lectures and contributed papers prior to the Joint 
          Statistical Meetings 
        Overview:
          Modern data often includes some form of censorship or missing data. 
          Data imputation is a critical component of the analysis of such data 
          and crude methods for data imputation can lead to substantial bias in 
          the results and the conclusions. Missing data problems are common in 
          health research (e.g. retrospective and prospective studies), sample 
          surveys (e.g. nonresponse), and less obvious parts of any study in which 
          the data available is influenced by what is easy or feasible to collect. 
          Longitudinal studies which collect data on a set of subjects repeatedly 
          over time are subject to attrition, Subjects drop out because they move, 
          suffer side effects from drugs, or for other often unknown reasons. 
          Similarly in sampling, survey nonrespondents are often ignored, 
          although factors related to the objectives of the study such as income 
          may influence the completeness of a subjects response.
         
        Problems which involved missing data have historically been dealt with 
          using a complete-case analysis'' which ignores the missing data 
          and therefore biases conclusions. There have been many new computationally 
          intensive tools developed in recent years which can be applied to these 
          problems: likelihood and estimating function methodology, cross-validation, 
          the bootstrap and other simulation techniques, Bayes' and multiple imputation, 
          and the EM algorithm.
         
        The primary goal of the workshop is to provide impetus to the development 
          of mathematical and statistical tools for the analysis of data under 
          various patterns of censorship and mechanisms governing missingness 
          and data imputation. The workshop will be of interest to researchers 
          and graduate students in many different disciplines, including biostatistics 
          and sampling theory.
        Preliminary list of Speakers
        
         
           
            N. Breslow (Washington)
              S. Bull (Toronto)
              N. Chatterjee (NIH)
              Jinbo Chen (NIH)
              R. J. Cook (Waterloo)
              J.D. Kalbfleisch (Michigan)
              J.F. Lawless (Waterloo)
              R.J.A. Little (Michigan)
              D. L. McLeish (Waterloo)
              A. Rotnitzky (Harvard)
              D.B. Rubin (Harvard)
              D. Sharfstein (Johns Hopkins) 
              A. Scott (Auckland)
              C. A. Struthers (Waterloo)
              M. E. Thompson (Waterloo)
              C. Wild (Auckland)
              G. Y. Yi (Waterloo)
          
        
        Plus contributed sessions -
        
To submit 
        an abstract for invited or contributed talks (deadline June 15, 2004)
         
         Travel support 
        Funding support is available to cover part of the travel expenses of 
          graduate students. If you would like to apply for a travel funds please: 
        
        1) Register for the workshop
          2) Submit an abstract before June 15, 04 if you would like to give a 
          talk 
          3) Copy the text below, provide responses, and send the following information 
          to the organizers to Funding 
          Request with "Missing Data Workshop" in the subject line.
          (or rjcook@uwaterloo.ca and 
          dlmcleis@uwaterloo.ca)
        
         
           
            a) Name, Institution and Graduate Program
              b) Email
              c) Reason for attending the workshop
              d) Anticipated costs for travel and accomodation.
              e) Are you planning on giving a talk?
              f) Supervisor, Graduate Advisor, or other reference: Name, Telephone 
              Number or E-mail Address 
              (Please have your reference send an email in support of this application 
              to the workshop organizers by email indicating your research topic.)
          
        
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