RECENT TALKS AND LECTURES:

Link to Course Page for Statistics For Psychosocial Research I:  Measurement Models (Mental Hygiene 330.657)

Link to Course Page for Statistics For Psychosocial Research II:  Structural Equations (Biostatistics 140.658)

Some Novel Ideas In Phase II and Phase III designs.  Oncology Fellows Lecture Series (June 14, 2006) Media Clip

The Proportional Odds Model for Assessing Rater Agreement with Multiple Modalities.   Cancer Prevention and Control Colloquia, National Cancer Institute.  March 1, 2006. 

Power and Sample Size, Part II.  Guest lecture for Design and Analysis of Clinical Trials.  September 29, 2005.

A Nested Unsupervised Approach to Identifying Novel Molecular SubtypesPresented at the Institute of Mathematical Statistics meething "MCMSki:  The Past, Present and Future of Gibbs Sampling."  Bormio, Italy.  January 12-14, 2005.

The Role of Statisticians in Clinical Research TeamsPresented as a guest lecture in  "Topics in Clinical Investigation," part of the Graduate Training Program in Clinical Investigation, Johns Hopkins University.  December 15, 2004. 

Cancer Stem Cells:  Some Statistical Issues.  Presented at "Cancer Stem Cell Retreat", Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University.  September 30, 2004. 

Analysis Issues in Assessing Efficacy in Randomized Clinical Trials:  Intention to Treat and Compliance  (Epidemiology 340.613)
    Guest lecture in  Design and Conduct of Clinical Trials (B. Martin, Dept. of Epidemiology, Bloomberg School of Public Health)
 

Methods for Evaluating the Performance of Diagnostic Tests in the Absence of a "Gold Standard:"
       A Latent Class Model Approach
            Presented at CARMA, Virginia Commonwealth University, Richmond, VA
            March 5, 2004
 

Clustering Gene Expression Data:  The Good, the Bad, and the Misinterpreted
        Presented  as part of the "Top Ten Things to Know about Gene Expression Analysis" Series
        The Hopkins Expressionists
        November, 5 2003.

Statistical Issues in Clinical Studies Using Laboratory Endpoints
        Presented at the American College of Surgeons Oncology Group Meeting,
        June 5, 2003, Montreal Canada.

Statistical Issues in the Analysis of Patient Outcomes
        Guest lecture in Using Patient Outcomes to Improve the Quality of Health Care (D.Steinwachs and N.Powe,
        Dept. of Health Policy, Bloomberg School of Public Health, Johns Hopkins University)
        April 11, 2003

Methods for Evaluating the Performance of Diagnostic Tests in the Absence of a "Gold Standard:"
       A Latent Class Model Approach
            Presented at Brown University, Division of Biostatistics, Providence, RI
             December 9, 2002

A Statistical Framework for Expression-Based Molecular Classification
  Presented at the Joint Statistical Meetings of the American Statistical Association
  New York, NY, August 12, 2002.
 

Latent Class Regression Model Graphical Diagnostics Using an MCMC Estimation Procedure
   Presented at the Society for Prevention Research Annual Meeting, June 1, 2002.  Seattle, WA.

Lectures in "Clinical Trials in 20 Hours" Course, Spring, 2002
     Point Estimation:  Odds Ratios, Hazard Ratios, Risk Differences, Precision (March 20, 2002)
     Confidence Intervals (March 27, 2002)
     Interim Analyses (May 8, 2002)

Discussion of Biostatistics Grand Rounds (Richard Simon), March 13, 2002:
"More on Hierarchical Clustering Issues"

Oncology Center Journal Club 
     February 17, 2006:  Randomized Phase II Studies 
     December 16, 2005:  Surrogate Endpoints and Correlative Markers
     March 25, 2005:  Correlative Studies
     January 21, 2005:  Phase I Studies
     January 7, 2005:  Quality of Life
     May 28, 2004:  Design Considerations in Microarray Studies
     April 18, 2003:  Quality of Life

     March 21, 2003:  Prediction Models
     April 26, 2002:  Observational Studies
      April 5, 2002:  Randomization and Comparative Trials
     November 1, 2001
     January 12, 2001
 

Statistical Issues in Data Collection and Design For Community Research Programs
        Johns Hopkins Oncology Center, October 11, 2001

Lectures on Using StataMethods in Clinical Research:  A Two Week Intensive Course
July, 2001Johns Hopkins University:  Schools of Medicine and Public Health
           Introduction
           Confidence Intervals and Hypothesis Tests
           Epidemiologic Tables and Transforming Variables
           Proportions and Sample size
           Scatterplots and Correlation
           Linear Regression
           Survival Analysis
           Logistic Regression
 

Spring 2001
Epidemiology and Biostatistics Lecture Series for Kennedy Krieger Institute
     Statistical Overview
     Linear Regression
     Repeated Measures
     Analysis Issues in fMRI data
 

Assessing Estimability of Latent Class Models Using a Bayesian Estimation Approach
ENAR, March 26, 2001.  Charlotte, NC
 

Dissertation Defense Talk
February 2, 2000