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Sarah J. Ratcliffe
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All published works
Action
Title
Year
Authors
+
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102 CUBE: A Collaborative Undergraduate Biostatistics Experience to Bring Diversity and Awareness to the Field of Collaborative Biostatistics
2024
Genevieve R. Lyons
Monica Ahrens
Jennie Ma
Sarah J. Ratcliffe
Alexandra L. Hanlon
Alicia Lozano
+
Time-to-Event Analysis with Unknown Time Origins via Longitudinal Biomarker Registration
2022
Tianhao Wang
Sarah J. Ratcliffe
Wensheng Guo
+
COVID-19 vaccine uptake in United States counties: geospatial vaccination patterns and trajectories towards herd immunity
2021
Pavel Chernyavskiy
Jeanita W. Richardson
Sarah J. Ratcliffe
+
PDF
Chat
Reflection on modern methods: Dynamic prediction using joint models of longitudinal and time-to-event data
2021
EleniâRosalina Andrinopoulou
Michael O. Harhay
Sarah J. Ratcliffe
Dimitris Rizopoulos
+
Bringing Data Science Directly to Patients with Advanced Lung Disease: A Partnered Approach to Predictive Model Development Using a Discrete Choice Experiment
2019
Gary E. Weissman
Kuldeep N. Yadav
Trishya L. Srinivasan
S. Szymanski
Florylene Capulong
Victoria J. Madden
Katherine R. Courtright
Joanna L. Hart
David A. Asch
Sarah J. Ratcliffe
+
PDF
Chat
A random pattern mixture model for ordinal outcomes with informative dropouts
2015
Chengcheng Liu
Sarah J. Ratcliffe
Wensheng Guo
+
PDF
Chat
The estimation of branching curves in the presence of subjectâspecific random effects
2014
Angelo Elmi
Sarah J. Ratcliffe
Wensheng Guo
+
A B-Spline Based Semiparametric Nonlinear Mixed Effects Model
2011
Angelo Elmi
Sarah J. Ratcliffe
Samuel Parry
Wensheng Guo
+
Statistical Consulting with Limited Resources: Applications to Practice
2010
Mark E. Glickman
Rick Ittenbach
Todd G. Nick
Ralph OâBrien
Sarah J. Ratcliffe
Justine Shults
+
Factor Analysis
2010
Mary D. Sammel
Sarah J. Ratcliffe
Benjamin E. Leiby
+
PDF
Chat
Analysis of multi-level correlated data in the framework of generalized estimating equations via xtmultcorr procedures in Stata and qls functions in Matlab
2009
Sarah J. Ratcliffe
Justine Shults
+
<b>GEEQBOX</b>: A<i>MATLAB</i>Toolbox for Generalized Estimating Equations and Quasi-Least Squares
2008
Sarah J. Ratcliffe
Justine Shults
+
PDF
Chat
Improved Generalized Estimating Equation Analysis via xtqls for QuasiâLeast Squares in Stata
2007
Justine Shults
Sarah J. Ratcliffe
Mary B. Leonard
+
Improved generalized estimating equation analysis via xtqls for implementation of quasi-least squares in Stata
2006
Justine Shults
Sarah J. Ratcliffe
Mary B. Leonard
+
Joint Modeling of Longitudinal and Survival Data via a Common Frailty
2004
Sarah J. Ratcliffe
Wensheng Guo
Rth Ho
+
A Random Pattern-Mixture Model for Longitudinal Data With Dropouts
2004
Wensheng Guo
Sarah J. Ratcliffe
Thomas Ten Have
+
Deviations from the population-averaged versus cluster-specific relationship for clustered binary data
2004
Rth Ho
Sarah J. Ratcliffe
Beth A. Reboussin
Michael E. Miller
+
Functional data analysis with application to periodically stimulated foetal heart rate data. II: Functional logistic regression
2002
Sarah J. Ratcliffe
Gillian Z. Heller
Leo R. Leader
Common Coauthors
Coauthor
Papers Together
Wensheng Guo
6
Justine Shults
4
Mary B. Leonard
2
Rth Ho
2
Angelo Elmi
2
Monica Ahrens
1
Trishya L. Srinivasan
1
Mary D. Sammel
1
Mark E. Glickman
1
Victoria J. Madden
1
Genevieve R. Lyons
1
Gary E. Weissman
1
Todd G. Nick
1
Gillian Z. Heller
1
David A. Asch
1
Jeanita W. Richardson
1
Benjamin E. Leiby
1
Kuldeep N. Yadav
1
Alexandra L. Hanlon
1
Ralph OâBrien
1
Marilyn M. Schapira
1
Thomas Ten Have
1
Florylene Capulong
1
Joanna L. Hart
1
Justine Shults
1
Scott D. Halpern
1
Katherine R. Courtright
1
Pavel Chernyavskiy
1
Dimitris Rizopoulos
1
Samuel Parry
1
Michael O. Harhay
1
Tianhao Wang
1
Jennie Ma
1
Michael E. Miller
1
Chengcheng Liu
1
EleniâRosalina Andrinopoulou
1
S. Szymanski
1
Rick Ittenbach
1
Leo R. Leader
1
Beth A. Reboussin
1
Alicia Lozano
1
Commonly Cited References
Action
Title
Year
Authors
# of times referenced
+
Longitudinal data analysis using generalized linear models
1986
KungâYee Liang
Scott L. Zeger
5
+
Maximum Likelihood from Incomplete Data Via the <i>EM</i> Algorithm
1977
A. P. Dempster
N. M. Laird
Donald B. Rubin
4
+
Use of Quasi-Least Squares to Adjust for Two Levels of Correlation
2002
Justine Shults
Ardythe L. Morrow
4
+
An alternative approach to the analysis of longitudinal data via generalized estimating equations
1997
N. Rao Chaganty
4
+
Use of Unbiased Estimating Equations to Estimate Correlation in Generalized Estimating Equation Analysis of Longitudinal Trials
2006
Wenguang Sun
Justine Shults
Mary B. Leonard
4
+
Analysis of data with multiple sources of correlation in the framework of generalized estimating equations
2004
Justine Shults
Melicia C. Whitt
Shiriki Kumanyika
4
+
Analysis of Serially Correlated Data Using Quasi-Least Squares
1998
Justine Shults
N. Rao Chaganty
4
+
On eliminating the asymptotic bias in the quasi-least squares estimate of the correlation parameter
1999
N. Rao Chaganty
Justine Shults
4
+
On the use of a working correlation matrix in using generalised linear models for repeated measures
1995
Martin Crowder
3
+
Analysis of Longitudinal Data
2001
Peter J. Diggle
Patrick J. Heagerty
KungâYee Liang
Scott L. Zeger
3
+
Random-Effects Models for Longitudinal Data
1982
Nan M. Laird
James H. Ware
3
+
Analysis of repeated bouts of measurements in the framework of generalized estimating equations
2006
Justine Shults
Carissa A. Mazurick
J. Richard Landis
3
+
Estimation and Comparison of Changes in the Presence of Information Right Censoring by Modeling the Censoring Process.
1987
Margaret Wu
Raymond J. Carroll
3
+
Methods for the analysis of informatively censored longitudinal data
1992
Mark Schluchter
3
+
On the Accuracy of Efficiency of Estimating Equation Approach
2000
Brajendra C. Sutradhar
Kalyan Das
3
+
Modelling Progression of CD4-Lymphocyte Count and Its Relationship to Survival Time
1994
Victor De Gruttola
Xin Tu
3
+
Nonlinear Mixed Effects Models for Repeated Measures Data
1990
Mary J. Lindstrom
Douglas M. Bates
2
+
PDF
Chat
Pattern-Mixture Models for Multivariate Incomplete Data
1993
Roderick J. A. Little
2
+
Approximate Inference in Generalized Linear Mixed Models
1993
N. E. Breslow
David Clayton
2
+
A note on GaussâHermite quadrature
1994
Qing Liu
Donald A. Pierce
2
+
Approximations to the Log-Likelihood Function in the Nonlinear Mixed-Effects Model
1995
José C. Pinheiro
Douglas M. Bates
José C. Pinheiro
2
+
Approximate Inference in Generalized Linear Mixed Models
1993
N. E. Breslow
David Clayton
2
+
Correlated Binary Regression with Covariates Specific to Each Binary Observation
1988
Ross L. Prentice
2
+
Nonparametric Mixed Effects Models for Unequally Sampled Noisy Curves
2001
John A. Rice
Colin O. Wu
2
+
Smoothing Spline Models with Correlated Random Errors
1998
Yuedong Wang
2
+
<b>GEEQBOX</b>: A<i>MATLAB</i>Toolbox for Generalized Estimating Equations and Quasi-Least Squares
2008
Sarah J. Ratcliffe
Justine Shults
2
+
A B-Spline Based Semiparametric Nonlinear Mixed Effects Model
2011
Angelo Elmi
Sarah J. Ratcliffe
Samuel Parry
Wensheng Guo
2
+
Numerical Methods for Unconstrained Optimization and Nonlinear Equations
1996
J. E. Dennis
Robert B. Schnabel
2
+
Efficient Laplacian and Adaptive Gaussian Quadrature Algorithms for Multilevel Generalized Linear Mixed Models
2006
JosĂ© CirıÌaco Pinheiro
E. C. T. Chao
2
+
A Joint Model for Survival and Longitudinal Data Measured with Error
1997
Michael Wulfsohn
Anastasios A. Tsiatis
2
+
Mixed Effects Logistic Regression Models for Multiple Longitudinal Binary Functional Limitation Responses with Informative DropâOut and Confounding by Baseline Outcomes
2002
Rth Ho
Beth A. Reboussin
Michael E. Miller
Allen R. Kunselman
2
+
Mixed Effects Logistic Regression Models for Longitudinal Binary Response Data with Informative Drop-Out
1998
Rth Ho
Allen R. Kunselman
Erik Pulkstenis
J. Richard Landis
2
+
Finding the Observed Information Matrix When Using the <i>EM</i> Algorithm
1982
Thomas A. Louis
2
+
An Introduction to the Bootstrap
1994
Bradley Efron
Robert Tibshirani
2
+
On The Violation Of Bounds For The Correlation In Generalized Estimating Equation Analyses Of Binary Data From Longitudinal Trials
2006
Justine Shults
Wenguang Sun
Xin Tu
Jay D. Amsterdam
2
+
Semiparametric Nonlinear Mixed-Effects Models and Their Applications
2001
Chunlei Ke
Yuedong Wang
2
+
MIXTURE MODELS FOR THE JOINT DISTRIBUTION OF REPEATED MEASURES AND EVENT TIMES
1997
Joseph W. Hogan
Nan M. Laird
2
+
Modeling the Drop-Out Mechanism in Repeated-Measures Studies
1995
Roderick J. A. Little
2
+
Working correlation structure misspecification, estimation and covariate design: Implications for generalised estimating equations performance
2003
YouâGan Wang
2
+
Laplace's approximation for nonlinear mixed models
1993
Russ Wolfinger
2
+
Covariate measurement errors and parameter estimation in a failure time regression model
1982
Ross L. Prentice
1
+
Approximations to the Log-Likelihood Function in the Nonlinear Mixed-Effects Model
1995
José C. Pinheiro
Douglas M. Bates
1
+
PDF
Chat
Optimal smoothing in nonparametric mixed-effect models
2005
Chong Gu
Ping Ma
1
+
PDF
Chat
Flexible smoothing with B-splines and penalties
1996
Paul H.C. Eilers
Brian D. Marx
1
+
Unbiased Estimating Equations From Working Correlation Models for Irregularly Timed Repeated Measures
2004
YouâGan Wang
Vincent J. Carey
1
+
Some properties of smoothed principal components analysis for functional data
1993
SD Pezzulli
BW Silverman
1
+
Analysis of multivariate repeated measures data with a Kronecker product structured covariance matrix
2001
Dayanand N. Naik
Shantha S. Rao
1
+
Semiparametric Stochastic Mixed Models for Longitudinal Data
1998
Daowen Zhang
Xihong Lin
Jonathan Raz
MaryFran Sowers
1
+
Panel Data with Survival: Hospitalization of HIV-Positive Patients
1998
Tony Lancaster
Orna Intrator
1
+
Joint modelling of accelerated failure time and longitudinal data
2005
YiâKuan Tseng
Fushing Hsieh
Jane-Ling Wang
1