Kristopher Kapphahn

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All published works
Action Title Year Authors
+ PDF Chat COVIDNearTerm: A simple method to forecast COVID-19 hospitalizations 2022 Adam B. Olshen
Ariadna Garcia
Kristopher Kapphahn
Yingjie Weng
Jason Vargo
John Pugliese
David Crow
Paul Wesson
George W. Rutherford
Mithat Gönen
+ COVIDNearTerm: A Simple Method to Forecast COVID-19 Hospitalizations 2021 Adam B. Olshen
Ariadna Garcia
Kristopher Kapphahn
Yingjie Weng
Paul Wesson
George W. Rutherford
Mithat Gönen
Manisha Desai
+ The COVID-19 Outpatient Pragmatic Platform Study (COPPS): Study design of a multi-center pragmatic platform trial 2021 Bryan Bunning
Haley Hedlin
Natasha Purington
Vandana Sundaram
Kristopher Kapphahn
Yingjie Weng
Kristen Cunanan
Yvonne Maldonado
Upinder Singh
Chaitan Khosla
+ PDF Chat Clinical trials in a COVID-19 pandemic: Shared infrastructure for continuous learning in a rapidly changing landscape 2021 Haley Hedlin
Ariadna Garcia
Yingjie Weng
Ziyuan He
Vandana Sundaram
Bryan Bunning
Vidhya Balasubramanian
Kristen Cunanan
Kristopher Kapphahn
Santosh Gummidipundi
+ Missing data strategies for time‐varying confounders in comparative effectiveness studies of non‐missing time‐varying exposures and right‐censored outcomes 2019 Manisha Desai
Maria E. Montez‐Rath
Kristopher Kapphahn
Vilija R. Joyce
Maya B. Mathur
Ariadna Garcia
Natasha Purington
Douglas K Owens
+ PDF Chat Guidelines for generating right-censored outcomes from a Cox model extended to accommodate time-varying covariates 2017 Maria E. Montez‐Rath
Kristopher Kapphahn
Maya B. Mathur
Aya Mitani
David J. Hendry
Manisha Desai
+ Simulating realistically complex comparative effectiveness studies with time-varying covariates and right-censored outcomes 2017 Maria E. Montez‐Rath
Kristopher Kapphahn
Maya B. Mathur
Natasha Purington
Vilija R. Joyce
Manisha Desai
Common Coauthors
Commonly Cited References
Action Title Year Authors # of times referenced
+ Comparison of algorithms to generate event times conditional on time‐dependent covariates 2007 Marie‐Pierre Sylvestre
MichaƂ Abrahamowicz
3
+ A generalized-growth model to characterize the early ascending phase of infectious disease outbreaks 2016 CĂ©cile Viboud
Lone Simonsen
Gerardo Chowell
2
+ Time-Dependent Hazard Ratio: Modeling and Hypothesis Testing with Application in Lupus Nephritis 1996 MichaƂ Abrahamowicz
Todd A. MacKenzie
John M. Esdaile
2
+ PDF Chat Initial Simulation of SARS-CoV2 Spread and Intervention Effects in the Continental US 2020 Sen Pei
Jeffrey Shaman
2
+ Impacts of social distancing policies on mobility and COVID-19 case growth in the US 2021 Gregory A. Wellenius
Swapnil Vispute
Valeria Espinosa
Alex Fabrikant
Thomas C. Tsai
Jonathan Hennessy
Andrew M. Dai
Brian Williams
Krishna Gadepalli
Adam Boulanger
2
+ Forecasting COVID-19 2020 MatjaĆŸ Perc
Nina Goriơek Miksić
Mitja Slavinec
AndraĆŸ StoĆŸer
2
+ A scenario modeling pipeline for COVID-19 emergency planning 2020 Joseph C. Lemaitre
Kyra H. Grantz
Joshua Kaminsky
Hannah R. Meredith
Shaun Truelove
Stephen A. Lauer
Lindsay T. Keegan
Sam Shah
Josh Wills
Kathryn Kaminsky
2
+ Forecasting hospitalization and ICU rates of the COVID-19 outbreak: an efficient SEIR model 2020 Jan‐Diederik van Wees
Sander Osinga
Martijn van der Kuip
Michael W.T. Tanck
Maurice Hanegraaf
Maarten Pluymaekers
O. Leeuwenburgh
Lonneke van Bijsterveldt
Jaap Zindler
A. Marceline van Furth
2
+ PDF Chat Modeling COVID-19 scenarios for the United States 2020 Robert C. Reiner
Ryan M Barber
James K. Collins
Peng Zheng
Christopher Adolph
James Albright
Catherine M Antony
Aleksandr Y. Aravkin
Steven D Bachmeier
Bree Bang-Jensen
2
+ PDF Chat Inter-Series Attention Model for COVID-19 Forecasting 2021 Xiaoyong Jin
Yuxiang Wang
Xifeng Yan
2
+ Comparison of ARIMA, ETS, NNAR, TBATS and hybrid models to forecast the second wave of COVID-19 hospitalizations in Italy 2021 Gaetano Perone
2
+ PDF Chat Data generation for the Cox proportional hazards model with time-dependent covariates: a method for medical researchers 2013 David J. Hendry
2
+ COVID-19: Short-term forecast of ICU beds in times of crisis 2021 Marcel Goić
Mirko S. Bozanic‐Leal
Magdalena Badal
Leonardo J. Basso
2
+ A Proportional Hazards Model for the Subdistribution of a Competing Risk 1999 Jason P. Fine
Malcolm H. Ray
2
+ Multiple imputation of discrete and continuous data by fully conditional specification 2007 Stef van Buuren
2
+ Maximum Likelihood Methods for Cure Rate Models with Missing Covariates 2001 Ming‐Hui Chen
Joseph G. Ibrahim
1
+ Missing data methods in longitudinal studies: a review 2009 Joseph G. Ibrahim
Geert Molenberghs
1
+ PDF Chat Missing Covariates in Generalized Linear Models When the Missing Data Mechanism is Non-ignorable 1999 Joseph G. Ibrahim
Stuart R. Lipsitz
Ming‐Hui Chen
1
+ BinNor: An R Package for Concurrent Generation of Binary and Normal Data 2013 Hakan DemirtaƟ
Anup Amatya
Beyza Doğanay Erdoğan
1
+ Adding Missing-Data-Relevant Variables to FIML-Based Structural Equation Models 2003 John W. Graham
1
+ The design of simulation studies in medical statistics 2006 Andrea Burton
Douglas G. Altman
Patrick Royston
Roger Holder
1
+ PDF Chat On the use of robust estimators for standard errors in the presence of clustering when clustering membership is misspecified 2012 Manisha Desai
Susan W. Bryson
Thomas N. Robinson
1
+ Multivariate Normal and t Distributions 2016 Alan Genz
Frank Bretz
Tetsuhisa Miwa
Xuefei Mi
Torsten Hothorn
1
+ Interaction of treatment with a continuous variable: simulation study of power for several methods of analysis 2014 Patrick Royston
Willi Sauerbrei
1
+ PDF Chat Generating survival times to simulate Cox proportional hazards models 2005 Ralf Bender
Thomas Augustin
Maria Blettner
1
+ PDF Chat Generating survival times to simulate Cox proportional hazards models with time‐varying covariates 2012 Peter C. Austin
1
+ PDF Chat Simulating biologically plausible complex survival data 2013 Michael J. Crowther
Paul C. Lambert
1
+ Practical methods for competing risks data: A review 2011 Giorgos Bakoyannis
Giota Touloumi
1
+ Modelling for Survival Data in Medical Research 1995 1
+ On robustness of marginal regression coefficient estimates and hazard functions in multivariate survival analysis of family data when the frailty distribution is mis‐specified 2007 Li Hsu
Malka Gorfine
Kathleen E. Malone
1
+ PDF Chat Much Ado About Nothing 2007 Nicholas J. Horton
Ken Kleinman
1
+ PDF Chat Multiple imputation for IPD meta‐analysis: allowing for heterogeneity and studies with missing covariates 2015 Matteo Quartagno
James R. Carpenter
1
+ Efficiencies of platform clinical trials: A vision of the future 2016 Benjamin R. Saville
Scott Berry
1
+ PDF Chat Multiple imputation by chained equations for systematically and sporadically missing multilevel data 2016 Matthieu Resche‐Rigon
Ian R. White
1
+ PDF Chat Basket Trials in Oncology: A Trade-Off Between Complexity and Efficiency 2017 Kristen Cunanan
Mithat Gönen
Ronglai Shen
David M. Hyman
Gregory J. Riely
Colin B. Begg
Alexia Iasonos
1
+ Multiple Imputation for Multilevel Data with Continuous and Binary Variables 2018 Vincent Audigier
Ian R. White
Shahab Jolani
Thomas P. A. Debray
Matteo Quartagno
James R. Carpenter
Stef van Buuren
Matthieu Resche‐Rigon
1
+ PDF Chat Master Protocols to Study Multiple Therapies, Multiple Diseases, or Both 2017 Janet Woodcock
Lisa M. LaVange
1
+ Adaptive platform trials: definition, design, conduct and reporting considerations 2019 1
+ Commentary on Ferguson, et al., “Impact of Non-pharmaceutical Interventions (NPIs) to Reduce COVID-19 Mortality and Healthcare Demand” 2020 Stephen Eubank
Irene Eckstrand
Bryan Lewis
Srinivasan Venkatramanan
Madhav Marathe
Christopher L. Barrett
1
+ PDF Chat Using simulation studies to evaluate statistical methods 2019 Tim P. Morris
Ian R. White
Michael J. Crowther
1
+ PDF Chat Predicting regional COVID-19 hospital admissions in Sweden using mobility data 2021 Philip Gerlee
Julia Karlsson
Ingrid Fritzell
Thomas Brezicka
Armin Spreco
Toomas Timpka
Anna Jöud
Torbjörn Lundh
1
+ Predicting the incidence of COVID-19 using data mining 2021 Fatemeh Ahouz
Amin Golabpour
1
+ PDF Chat Effects of short-term travel on COVID-19 spread: A novel SEIR model and case study in Minnesota 2021 Michael W. Levin
Mingfeng Shang
Raphael Stern
1
+ PDF Chat Clinical trials in a COVID-19 pandemic: Shared infrastructure for continuous learning in a rapidly changing landscape 2021 Haley Hedlin
Ariadna Garcia
Yingjie Weng
Ziyuan He
Vandana Sundaram
Bryan Bunning
Vidhya Balasubramanian
Kristen Cunanan
Kristopher Kapphahn
Santosh Gummidipundi
1
+ PDF Chat A scenario modeling pipeline for COVID-19 emergency planning 2021 Joseph C. Lemaitre
Kyra H. Grantz
Joshua Kaminsky
Hannah R. Meredith
Shaun Truelove
Stephen A. Lauer
Lindsay T. Keegan
Sam Shah
Josh Wills
Kathryn Kaminsky
1
+ Inter-Series Attention Model for COVID-19 Forecasting 2021 Xiaoyong Jin
Yu-Xiang Wang
Xifeng Yan
1
+ Risk Assessment and Prediction of COVID-19 Based on Epidemiological Data From Spatiotemporal Geography 2021 Xiong He
Chunshan Zhou
Yuqu Wang
Xiaodie Yuan
1
+ Unreliable predictions about COVID‐19 infections and hospitalizations make people worry: The case of Italy 2021 Fabio Divino
Massimo Ciccozzi
Alessio Farcomeni
Giovanna Jona Lasinio
Gianfranco Lovison
Antonello Maruotti
1
+ Spatio-temporal prediction of the COVID-19 pandemic in US counties: modeling with a deep LSTM neural network 2021 Behnam Nikparvar
Md. Mokhlesur Rahman
Faizeh Hatami
Jean‐Claude Thill
1
+ Epidemic tracking and forecasting: Lessons learned from a tumultuous year 2021 Roni Rosenfeld
Ryan J. Tibshirani
1