presentations (W.L.)

On acceleration of major transitions in evolution (talk, Shanghai Jiao Tong University, Center for Systems Biomedicine, Shanghai, China, July 2010)
On acceleration of major transitions in evolution (talk, Workshop on Evolutionary Theory, Cuernavaca, Mexico, August 2009) [powerpoint]
Partial correlation analysis indicates causal relationships between GC-content, exon density and recombination rate variation in the human genome
(talk, APBC'09, Beijing, China, January 2009)
Detection of regions with copy-number-variation or copy-number-alteration by cumulative plots
(talk, APBC'09, Beijing, China, January 2009)
Genetic diagnosis: are we there yet?
(talk, Feinstein Institute for Medical Research, December 2008) [powerpoint]
Copy number variation: a new type of genetic marker in whole-genome association studies
(talk, Northwestern University, October 2008) [powerpoint]
Partial correlation analysis indicates causal relationships between GC-content, exon density and recombination rate variation in the human (co-authors: Jan Freudenberg, Mingyi Wang, Yaning Yang)
(poster, Feinstein Institute for Medical Research retreat, September 2008)
Population genomic analysis of the human extended MHC region (co-authors: Jan Freudenberg, Peter K Gregersen)
(poster, Feinstein Institute for Medical Research retreat, September 2008)
Selecting the disease causing polymorphism among several disease-associated SNPs that are in strong linkage disequilibrium (co-authors: Elaine F Remmers, Peter K Gregersen)
(poster, Feinstein Institute for Medical Research retreat, September 2008)
Detection of regions with copy-number-variation or copy-number-alteration by cumulative plots (co-aothors: Annette Lee, Nicholas Chiorazzi, Peter K gregersen)
(poster, Feinstein Institute for Medical Research retreat, September 2008)
Selecting the more powerful tests in genetic associatin studies using phase diagram
(talk, Department of Epidemiology and Population Health, Albert Einstein College of Medicine, December 2007)
Possible age-effects on gene expression in normal samples (poster, Feinstein Institute for Medical Research retreat, September 2007)
Two new concepts in single-marker case-control genetic association tests: fractional degrees of freedom and phase diagram (poster, Feinstein Institute for Medical Research retreat, September 2007)
Causal Inference in Genetics
(talk, NSF Sponsored International Conference on Bioinformatics, Hangzhou, China, Jun 2007) [powerpoint]
Genotype-based case-control analysis, violation of Hardy-Weinberg equilibrium, and phase diagram (talk, co-author Young Ju Suh) (APBC'07, Hong Kong, China, January 2007)
Using pedigree founders only or using all pedigree members? -- A comparison of SNP-expression regression results, (co-authors: YJ Suh, HS Lee, F Batliwalla)
(poster, Genetic Analysis Workshop 15, St. Pete Beach, FL, November 2006) [PDF]
Genotype-based case-control analysis, violation of Hardy-Weinberg equilibrium, and phase diagrams (poster, North Shore LIJ retreat, October 2006) [PDF]
Inferring causal relationships among intermediate phenotypes and biomarkers: a case study of rheumatoid arthritis (poster, North Shore LIJ retreat, October 2006) [PDF]
Causal Inference for Genetic and Microarray Data
(talk, International Workshop on Exploring the Mechanisms and Landscapes of Cellular Networks, Telluride, CO, August 2006)
Causal Inference of Intermediate Phenotypes and Biomarkers in Rheumatoid Arthritis: An Application of Machine Learning Techniques in Genetic Epidemiology
(talk, Fuwai Hospital/Chinese National Human Genome Ceneter, Beijing, China, May 2006) [MS PowerPoint]
A Study of 500kb Oscillation of GC% in Human Chromosome 21
(talk, Center for Theoretical Biology, Beijing University, Beijing, China, May 2006)
Ohno's Evolution by Duplication and DNA Correlation
(talk, Institute of Botany, Chinese Academy of Science, Beijing, China, May 2006)
A Study of 500kb Oscillation of GC% in Human Chromosome 21
(talk, Institute of Biophysics, Hebei University of Technology, Tianjing, China, May 2006)
"The less, the better": another trend in genomic and genetic analysis
(talk, Hersey Computational Biology and Bioinformatics Seminar, Cold Spring Harbor Lab, Feb 2006) [powerpoint]
Universal 1/f spectra in DNA sequences (talk, Universaity of Central Florida, December 2005) [PDF]
The 500kb Oscillation of GC% and Its Possible Connection to Down Syndrome (talk, 6th Anton Dohrn Workshop on Evolutionary Genomics, Ischia, Naples, November 2005) [PDF]
Effective Sample Size of Affected Sib Pairs in Case-Control Analyses
(poster, North Shore LIJ retreat, September 2005) [PDF]
"The More, The Better" or "The Less, The Better"? Conflicting Trends in Genomic and Genetic Analysis
(talk, Department of Biomathematics, Mt. Sinai School of Medicine, May 2005) [power-point]
Ohno's evolution by duplication and DNA correlations
(talk, Instituto de Investigaciones Biomedicas, Universidad Nacional Autonoma de Mexico, March 2005) [MS PowerPoint]
Association studies to locate human disease genes
(talk, Symposium on pharmacogenomics, Guadalajara, Mexico, March 2005). [MS PowerPoint]
Some Recent Progresses in Genome-Wide DNA Sequence Analysis
(talk, Instituto de Fisica, Universidad Nacional Autonoma de Mexico, November 2004) [PDF]
1/f Spectrum is a Universal Feature of Human Genome DNA Sequences
(talk, Texas A&M, April 2004) [PDF]
Computer reconstructed haplotypes in pedigrees may not be trusted
(poster, North Shore LIJ retreat, May 2003) [PDF]
Gene Selection Criterion for Discriminant Microarray Data Analysis Based on Extreme Value Distributions
(talk, International Conference on Research in Computational Molecular Biology (RECOMB'2003, Berlin, April 2003) [PDF] [citation via google]
Zipf's Law in Importance of Genes for Cancer Classification Using Microarray Data
(talk, Second Conference of Chinese Bioinformatics Society, Beijing, China, July 2002) [PDF] (almost identical with my Barcelona talk)
Introduction to Microarray Data Analysis (talk, pre-CCB02 course, Beijing, China, June 2002) [PDF]
Statistical Properties of Human Isochore Sequences
(talk, International Workshop on Molecular Evolution, Beijing, June 2002)
Zipf's Law in Importance of Genes for Cancer Classification Using Microarray Data
(talk, UPF/IMIM, Barcelona, Spain, April 2002) [PDF]
Are Spectral Analyses Useful for DNA Sequence Analysis?
(talk, International Conference on DNA in Chromatin, Arcachon, France, March 2002) [PDF]
Low- and High-Level Analysis of Affymetrix Chip Data
(talk, Pharmacia Research Center, Nerviano/Milano, November 2001) [PDF]
Five Applications of Recursive Segmentation in DNA Sequence Analysis
(talk, Istituto Superiore di Sanita, Roma, October 2001) [PDF]
Are Isochore Sequences Homogeneous?
(talk, 5th Anton Dohrn Workshop on Natural Selection and the Neutral Theory, Ischia, Naples, October 2001) [PDF]
DNA Segmentation as a Model Selection Process
(talk, International Conference on Research in Computational Molecular Biology'2001, April 2001) [MS PowerPoint]
Gene Selection in Discriminant Microarray Data Analysis
(talk, Department of Physiology and Biophysics Seminar, Albert Einstein College of Medicine, April 2001) [MS PowerPoint]
How Many Genes Are Needed for a Discriminant Microarray Data Analysis?
(talk, Critical Assessment of Techniques for Microarray Data Mining Workshop, December 2000) [PDF]
Applications of Akaike and Bayesian Information Criteria in Epidemiology, Linkage analysis, Microarray Data Analysis, and DNA Sequence Analysis
(talk, Genetic Epidemiology Seminar, Columbia University, December 2000) [PDF]
Reducing Complexity in Biological and Genetic Data
(talk, Medical Informatics Seminar, Columbia University, November 2000) [PDF]
Selecting Mathematical Models of DNA Sequences by Akaike Information Criterion
(talk, Center for Bioinformatics, Beijing University, July 2000) [PDF ]
Applying Artificial Neural Networks in Pedigree Analysis of Complex Genetic Diseases
(talk, Beijing Bioinformatics Workshop, July 1999) [PDF]
Correlations, Domains, and Periodicities in DNA Sequences
(talk, Beijing Bioinformatics Workshop, July 1999) [PDF]
A Revised Li-Sacks Formula For Calculating the Probability of Identity-by-Descent Proportion
(poster, Annual Meeting of American Society of Human Genetics, Denver CO, Oct 1998) [PDF]