Software

Christian Kleiber, Achim Zeileis (2025). AER: Applied Econometrics with R. R package version 1.2-15. doi:10.32614/CRAN.package.AER , https://CRAN.R-project.org/package=AER [ bib ]

Nikolaus Umlauf, Nadja Klein, Achim Zeileis, Thorsten Simon (2024). bamlss: Bayesian Additive Models for Location, Scale, and Shape (and Beyond). R package version 1.2-5. doi:10.32614/CRAN.package.bamlss , https://CRAN.R-project.org/package=bamlss [ bib ]

Nikolaus Umlauf, Daniel Adler, Thomas Kneib, Stefan Lang, Achim Zeileis (2026). BayesXsrc: Distribution of the ‘BayesX’ C++ Sources. R package version 3.0-7. doi:10.32614/CRAN.package.BayesXsrc , https://CRAN.R-project.org/package=BayesXsrc [ bib ]

Achim Zeileis, Francisco Cribari-Neto, Bettina Grün, Ioannis Kosmidis (2025). betareg: Beta Regression. R package version 3.2-4. doi:10.32614/CRAN.package.betareg , https://CRAN.R-project.org/package=betareg [ bib ]

Jan Verbesselt, Dainius Masiliūnas, Achim Zeileis, Marius Appel (2025). bfast: Breaks for Additive Season and Trend. R package version 1.7.1. doi:10.32614/CRAN.package.bfast , https://CRAN.R-project.org/package=bfast [ bib ]

Achim Zeileis, Ioannis Kosmidis, Susanne Koell (2024). brtobit: Bias-Reduced Tobit Regression. R package version 0.1-2/r1796. https://R-Forge.R-project.org/projects/topmodels/ [ bib ]

Achim Zeileis, Nikolaus Umlauf, Reto Stauffer (2025). c403: Exam Tools for Department of Statistics (c403), Uni Innsbruck. R package version 0.9-3/r2935. https://R-Forge.R-project.org/projects/exams/ [ bib ]

Moritz N. Lang, Lisa Schlosser, Achim Zeileis (2020). circtree: Regression Trees and Forests for Circular Responses. R package version 0.1-0/r3132. https://R-Forge.R-project.org/projects/partykit/ [ bib ]

Alexander Hapfelmeier, Siranush Karapetyan, Achim Zeileis (2025). coat: Conditional Method Agreement Trees (COAT). R package version 0.2.2. doi:10.32614/CRAN.package.coat , https://CRAN.R-project.org/package=coat [ bib ]

Torsten Hothorn, Henric Winell, Kurt Hornik, Mark A. van de Wiel, Achim Zeileis (2023). coin: Conditional Inference Procedures in a Permutation Test Framework. R package version 1.4-3. doi:10.32614/CRAN.package.coin , https://CRAN.R-project.org/package=coin [ bib ]

Ross Ihaka, Paul Murrell, Kurt Hornik, Jason C. Fisher, Reto Stauffer, Claus O. Wilke, Claire D. McWhite, Achim Zeileis (2025). colorspace: A Toolbox for Manipulating and Assessing Colors and Palettes. R package version 2.1-2. doi:10.32614/CRAN.package.colorspace , https://CRAN.R-project.org/package=colorspace [ bib ]

Achim Zeileis, Christian Kleiber (2025). countreg: Count Data Regression. R package version 0.3-0/r247. https://R-Forge.R-project.org/projects/countreg/ [ bib ]

Achim Zeileis, Jakob W. Messner, Reto Stauffer (2025). crch: Censored Regression with Conditional Heteroscedasticity. R package version 1.2-2. doi:10.32614/CRAN.package.crch , https://CRAN.R-project.org/package=crch [ bib ]

Achim Zeileis, Kurt Hornik (2025). ctv: CRAN Task Views. R package version 0.9-7. doi:10.32614/CRAN.package.ctv , https://CRAN.R-project.org/package=ctv [ bib ]

Alex Hayes, Ralph Moller-Trane, Daniel Jordan, Paul Northrop, Moritz N. Lang, Achim Zeileis (2025). distributions3: Probability Distributions as S3 Objects. R package version 0.2.3. doi:10.32614/CRAN.package.distributions3 , https://CRAN.R-project.org/package=distributions3 [ bib ]

Lisa Schlosser, Moritz N. Lang, Torsten Hothorn, Achim Zeileis (2025). disttree: Trees and Forests for Distributional Regression. R package version 0.2-0/r3319. https://R-Forge.R-project.org/projects/partykit/ [ bib ]

Achim Zeileis (2019). dynlm: Dynamic Linear Regression. R package version 0.3-6. doi:10.32614/CRAN.package.dynlm , https://CRAN.R-project.org/package=dynlm [ bib ]

Thomas Grubinger, Achim Zeileis, Karl-Peter Pfeiffer (2019). evtree: Evolutionary Learning of Globally Optimal Trees. R package version 1.0-8. doi:10.32614/CRAN.package.evtree , https://CRAN.R-project.org/package=evtree [ bib ]

Achim Zeileis, Bettina Gruen, Friedrich Leisch, Nikolaus Umlauf, Niels Smits (2025). exams: Automatic Generation of Exams in R. R package version 2.4-3. doi:10.32614/CRAN.package.exams , https://CRAN.R-project.org/package=exams [ bib ]

Achim Zeileis (2022). exams2learnr: Interface for ‘exams’ Exercises in ‘learnr’ Tutorials. R package version 0.1-0. doi:10.32614/CRAN.package.exams2learnr , https://CRAN.R-project.org/package=exams2learnr [ bib ]

Achim Zeileis, Yves Croissant (2023). Formula: Extended Model Formulas. R package version 1.2-5. doi:10.32614/CRAN.package.Formula , https://CRAN.R-project.org/package=Formula [ bib ]

Achim Zeileis, R Community (2016). fortunes: R Fortunes. R package version 1.5-4. doi:10.32614/CRAN.package.fortunes , https://CRAN.R-project.org/package=fortunes [ bib ]

Achim Zeileis (2020). fxregime: Exchange Rate Regime Analysis. R package version 1.0-4. doi:10.32614/CRAN.package.fxregime , https://CRAN.R-project.org/package=fxregime [ bib ]

Marjolein Fokkema, Achim Zeileis (2024). glmertree: Generalized Linear Mixed Model Trees. R package version 0.2-6. doi:10.32614/CRAN.package.glmertree , https://CRAN.R-project.org/package=glmertree [ bib ]

Achim Zeileis, Roger Koenker, Philipp Doebler (2024). glmx: Generalized Linear Models Extended. R package version 0.2-1. doi:10.32614/CRAN.package.glmx , https://CRAN.R-project.org/package=glmx [ bib ]

Achim Zeileis, Thomas Windberger (2022). glogis: Fitting and Testing Generalized Logistic Distributions. R package version 1.0-2. doi:10.32614/CRAN.package.glogis , https://CRAN.R-project.org/package=glogis [ bib ]

Achim Zeileis (2014). ineq: Measuring Inequality, Concentration, and Poverty. R package version 0.2-13. doi:10.32614/CRAN.package.ineq , https://CRAN.R-project.org/package=ineq [ bib ]

John Fox, Christian Kleiber, Achim Zeileis (2025). ivreg: Instrumental-Variables Regression by ‘2SLS’, ‘2SM’, or ‘2SMM’, with Diagnostics. R package version 0.6-5. doi:10.32614/CRAN.package.ivreg , https://CRAN.R-project.org/package=ivreg [ bib ]

Martin Wagner, Achim Zeileis (2026). lagsarlmtree: Spatial Lag Model Trees. R package version 1.0-2. doi:10.32614/CRAN.package.lagsarlmtree , https://CRAN.R-project.org/package=lagsarlmtree [ bib ]

Marc Hofmann, Cristian Gatu, Erricos J. Kontoghiorghes, Ana Colubi, Achim Zeileis (2026). lmSubsets: Exact Variable-Subset Selection in Linear Regression. R package version 0.5-4. doi:10.32614/CRAN.package.lmSubsets , https://CRAN.R-project.org/package=lmSubsets [ bib ]

Torsten Hothorn, Achim Zeileis, Richard W. Farebrother, Clint Cummins (2022). lmtest: Testing Linear Regression Models. R package version 0.9-40. doi:10.32614/CRAN.package.lmtest , https://CRAN.R-project.org/package=lmtest [ bib ]

Heidi Seibold, Achim Zeileis, Torsten Hothorn (2024). model4you: Stratified and Personalised Models Based on Model-Based Trees and Forests. R package version 0.9-8. doi:10.32614/CRAN.package.model4you , https://CRAN.R-project.org/package=model4you [ bib ]

Torsten Hothorn, Friedrich Leisch, Achim Zeileis (2025). modeltools: Tools and Classes for Statistical Models. R package version 0.2-24. doi:10.32614/CRAN.package.modeltools , https://CRAN.R-project.org/package=modeltools [ bib ]

Florian Wickelmaier, Achim Zeileis (2024). mpt: Multinomial Processing Tree Models. R package version 1.0-0. doi:10.32614/CRAN.package.mpt , https://CRAN.R-project.org/package=mpt [ bib ]

Payton Jones, Thorsten Simon, Achim Zeileis (2021). networktree: Recursive Partitioning of Network Models. R package version 1.0.1. doi:10.32614/CRAN.package.networktree , https://CRAN.R-project.org/package=networktree [ bib ]

Heidi Seibold, Torsten Hothorn, Achim Zeileis (2020). palmtree: Partially Additive (Generalized) Linear Model Trees. R package version 0.9-1. doi:10.32614/CRAN.package.palmtree , https://CRAN.R-project.org/package=palmtree [ bib ]

Torsten Hothorn, Kurt Hornik, Carolin Strobl, Achim Zeileis (2025). party: A Laboratory for Recursive Partytioning. R package version 1.3-18. doi:10.32614/CRAN.package.party , https://CRAN.R-project.org/package=party [ bib ]

Torsten Hothorn, Achim Zeileis (2025). partykit: A Toolkit for Recursive Partytioning. R package version 1.2-24. doi:10.32614/CRAN.package.partykit , https://CRAN.R-project.org/package=partykit [ bib ]

Simon Jackman (2024). pscl: Political Science Computational Laboratory. R package version 1.5.9. doi:10.32614/CRAN.package.pscl , https://CRAN.R-project.org/package=pscl [ bib ]

Hannah Frick, Friedrich Leisch, Carolin Strobl, Florian Wickelmaier, Achim Zeileis (2024). psychomix: Psychometric Mixture Models. R package version 1.1-9. doi:10.32614/CRAN.package.psychomix , https://CRAN.R-project.org/package=psychomix [ bib ]

Achim Zeileis, Carolin Strobl, Florian Wickelmaier, Basil Komboz, Julia Kopf, Lennart Schneider, Rudolf Debelak (2025). psychotools: Psychometric Modeling Infrastructure. R package version 0.7-5. doi:10.32614/CRAN.package.psychotools , https://CRAN.R-project.org/package=psychotools [ bib ]

Achim Zeileis, Carolin Strobl, Florian Wickelmaier, Basil Komboz, Julia Kopf, Lennart Schneider, David Dreifuss, Rudolf Debelak (2025). psychotree: Recursive Partitioning Based on Psychometric Models. R package version 0.16-2. doi:10.32614/CRAN.package.psychotree , https://CRAN.R-project.org/package=psychotree [ bib ]

Achim Zeileis, Guan Yang (2013). pwt: Penn World Table (Versions 5.6, 6.x, 7.x). R package version 7.1-1. doi:10.32614/CRAN.package.pwt , https://CRAN.R-project.org/package=pwt [ bib ]

Achim Zeileis (2023). pwt10: Penn World Table (Version 10.x). R package version 10.01-0. doi:10.32614/CRAN.package.pwt10 , https://CRAN.R-project.org/package=pwt10 [ bib ]

Achim Zeileis (2017). pwt8: Penn World Table (Version 8.x). R package version 8.1-1. doi:10.32614/CRAN.package.pwt8 , https://CRAN.R-project.org/package=pwt8 [ bib ]

Achim Zeileis (2019). pwt9: Penn World Table (Version 9.x). R package version 9.1-0. doi:10.32614/CRAN.package.pwt9 , https://CRAN.R-project.org/package=pwt9 [ bib ]

Nikolaus Umlauf, Thomas Kneib, Stefan Lang, Achim Zeileis (2025). R2BayesX: Estimate Structured Additive Regression Models with ‘BayesX’. R package version 1.1-6. doi:10.32614/CRAN.package.R2BayesX , https://CRAN.R-project.org/package=R2BayesX [ bib ]

Lisa Schlosser, Reto Stauffer, Achim Zeileis (2020). RainTyrol: Precipitation Observations and NWP Forecasts from GEFS. R package version 0.2-0/r2952. https://R-Forge.R-project.org/projects/partykit/ [ bib ]

Achim Zeileis, Thomas Lumley (2024). sandwich: Robust Covariance Matrix Estimators. R package version 3.1-1. doi:10.32614/CRAN.package.sandwich , https://CRAN.R-project.org/package=sandwich [ bib ]

Michel Philipp, Carolin Strobl, Achim Zeileis, Thomas Rusch, Kurt Hornik, Lennart Schneider (2025). stablelearner: Stability Assessment of Statistical Learning Methods. R package version 0.1-7. doi:10.32614/CRAN.package.stablelearner , https://CRAN.R-project.org/package=stablelearner [ bib ]

Achim Zeileis, Friedrich Leisch, Kurt Hornik, Christian Kleiber (2024). strucchange: Testing, Monitoring, and Dating Structural Changes. R package version 1.5-4. doi:10.32614/CRAN.package.strucchange , https://CRAN.R-project.org/package=strucchange [ bib ]

Grant McDermott, Vincent Arel-Bundock, Achim Zeileis (2025). tinyplot: Lightweight Extension of the Base R Graphics System. R package version 0.6.0. doi:10.32614/CRAN.package.tinyplot , https://CRAN.R-project.org/package=tinyplot [ bib ]

Achim Zeileis, Moritz N. Lang, Reto Stauffer (2025). topmodels: Infrastructure for Forecasting and Assessment of Probabilistic Models. R package version 0.3-0/r1909. https://R-Forge.R-project.org/projects/topmodels/ [ bib ]

Ian H. Hutchinson, Friedrich Leisch, Achim Zeileis (2024). tth: TeX-to-HTML/MathML Translators TtH/TtM. R package version 4.16-0. doi:10.32614/CRAN.package.tth , https://CRAN.R-project.org/package=tth [ bib ]

David Meyer, Achim Zeileis, Kurt Hornik, Michael Friendly (2024). vcd: Visualizing Categorical Data. R package version 1.4-13. doi:10.32614/CRAN.package.vcd , https://CRAN.R-project.org/package=vcd [ bib ]

Achim Zeileis, Gabor Grothendieck, Jeffrey A. Ryan (2025). zoo: S3 Infrastructure for Regular and Irregular Time Series (Z’s Ordered Observations). R package version 1.8-15. doi:10.32614/CRAN.package.zoo , https://CRAN.R-project.org/package=zoo [ bib ]