UPenn Biostatistics Working Paper Series

Papers from 2009
"Implementation of quasi-least squares With the R package qlspack" (June 17, 2009) Jichun Xie and Justine Shults
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A Hidden Markov Random Field Model for Genome-wide Association Studies (January 5, 2009) HongZhe Li, zhi wei, and J M. Maris
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Papers from 2008
Analysis of Adverse Events in Drug Safety: A Multivariate Approach Using Stratified Quasi-least Squares (December 28, 2008) Hanjoo Kim, Justine Shults, Scott Patterson, and Robert Goldberg-Alberts
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A Network-constrained Empirical Bayes Method for Analysis of Genomic Data (October 29, 2008) Caiyan Li, zhi wei, and HongZhe Li
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"%QLS SAS Macro: A SAS macro for Analysis of Longitudinal Data Using Quasi-Least Squares". (August 5, 2008) Hanjoo Kim and Justine Shults
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On the designation of the patterned associations for longitudinal Bernoulli data: weight matrix versus true correlation structure? (June 26, 2008) Hanjoo Kim, Joseph M. Hilbe, and Justine Shults
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U-Statistics-based Tests for Multiple Genes in Genetic Association Studies (April 25, 2008) zhi wei, MingYao Li PhD, Timothy Rebbeck, and HongZhe Li
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Incorporation of Genetic Pathway Information into Analysis of Multivariate Gene Expression Data (April 14, 2008) zhi wei, Jane E. Minturn, Eric Rappaport, Garrett Brodeur, and HongZhe Li
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Papers from 2007
Network-constrained Regularization and Variable Selection for Analysis of Genomic Data (December 10, 2007) Caiyan Li and HongZhe Li
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Vertex Clustering in Random Graphs via Reversible Jump Markov Chain Monte Carlo (December 5, 2007) Stefano Monni and HongZhe Li
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A Hidden Spatial-temporal Markov Random Field Model for Network-based Analysis of Time Course Gene Expression Data (October 2, 2007) zhi wei and HongZhe Li
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Variable Selection for Nonparametric Varying-Coefficient Models for Analysis of Repeated Measurements (July 23, 2007) Lifeng Wang and Hongzhe Li
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Methodological Issues in the Study of the Effects of Hemoglobin Variability (June 19, 2007) Marshall Joffe, Wei Yang, Steve Brunelli, and Harold Feldman
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A Markov Random Field Model for Network-based Analysis of Genomic Data (March 29, 2007) Zhi Wei and HongZhe Li
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Statistical Methods for Inference of Genetic Networks and Regulatory Modules (March 21, 2007) HongZhe Li
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Group SCAD Regression Analysis for Microarray Time Course Gene Expression Data (January 31, 2007) Lifeng Wang, Guang Chen, and Hongzhe Li PhD
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Analysis of multi-level correlated data in the framework of generalized estimating equations via xtmultcorr procedures in Stata and qls functions in Matlab (January 11, 2007) Justine Shults and Sarah Radcliffe
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Papers from 2006
Conditional Likelihood Methods for Haplotype-based Association Analysis Using Matched Case-Control Data (September 8, 2006) Jinbo Chen and Carmen Rodriguez
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Improved generalized estimating equation analysis via xtqls for implementation of quasi-least squares in Stata (August 28, 2006) Justine Shults, Sarah J. Ratcliffe, and Mary Leonard
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Group Additive Regression Models for Genomic Data Analysis (August 25, 2006) Yihui Luan and Hongzhe Li
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Nested Markov Compliance Class Model in the Presence of Time-Varying Noncompliance (August 1, 2006) Julia Y. Lin, Thomas R. TenHave, and Michael R. Elliott
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Longitudinal Nested Compliance Class Model in the Presence of Time-Varying Noncompliance (June 21, 2006) Julia Y. Lin, Thomas R. TenHave, and Michael R. Elliott
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Sensitivity of the Hazard Ratio to Non-Ignorable Treatment Assignment in an Observational Study (March 23, 2006) Nandita Mitra and Daniel F. Heitjan
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Censored Data Regression in High-Dimension and Low-Sample Size Settings For Genomic Applications (March 16, 2006) Hongzhe Li
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On The Violation Of Bounds For The Correlation In Generalized Estimating Equation Analyses Of Binary Data From Longitudinal Trials (February 20, 2006) Justine Shults, Wenguang Sun, Xin Tu, and Jay Amsterdam
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Survival Analysis Methods in Genetic Epidemiology (February 20, 2006) Hongzhe Li
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Nonparametric Pathway-Based Regression Models for Analysis of Genomic Data (February 1, 2006) Zhi Wei and Hongzhe Li
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Use of Unbiased Estimating Equations to Estimate Correlation in Generalized Estimating Equation Analysis of Longitudinal Trials (January 19, 2006) Wenguang Sun, Justine Shults, and Mary Leonard
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Papers from 2005
Gradient Directed Regularization for Sparse Gaussian Concentration Graphs, with Applications to Inference of Genetic Networks (December 1, 2005) Hongzhe Li and Jiang Gui
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Casual Mediation Analyses with Structural Mean Models (November 15, 2005) Thomas R. TenHave, Marshall Joffe, Kevin Lynch, Greg Brown, and Stephen Maisto
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