Volume 12/1

Articles published in the June 2020 issue

Complete issue

Table of contents

Michael J. Kane 4

Contributed Research Articles

gk: An R Package for the g-and-k and Generalised g-and-h Distributions
Dennis Prangle 7

NlinTS: An R Package For Causality Detection in Time Series
Youssef Hmamouche 21

Mapping Smoothed Spatial Effect Estimates from Individual-Level Data: MapGAM
Lu Bai, Daniel L. Gillen, Scott M. Bartell and Verónica M. Vieira 32

mudfold: An R Package for Nonparametric IRT Modelling of Unfolding Processes
Spyros E. Balafas, Wim P. Krijnen, Wendy J. Post and Ernst C. Wit 49

tsmp: An R Package for Time Series with Matrix Profile
Francisco Bischoff and Pedro Pereira Rodrigues 76

Individual-Level Modelling of Infectious Disease Data: EpiILM
Vineetha Warriyar K. V., Waleed Almutiry and Rob Deardon 87

SurvBoost: An R Package for High-Dimensional Variable Selection in the Stratified Proportional Hazards Model via Gradient Boosting
Emily Morris, Kevin He, Yanming Li, Yi Li and Jian Kang 105

CoxPhLb: An R Package for Analyzing Length Biased Data under Cox Model
Chi Hyun Lee, Heng Zhou, Jing Ning, Diane D. Liu and Yu Shen 118

SortedEffects: Sorted Causal Effects in R
Shuowen Chen, Victor Chernozhukov, Iván Fernández-Val and Ye Luo 131

npordtests: An R Package of Nonparametric Tests for Equality of Location Against Ordered Alternatives
Bulent Altunkaynak and Hamza Gamgam 147

lspartition: Partitioning-Based Least Squares Regression
Matias D. Cattaneo, Max H. Farrell and Yingjie Feng 172

Skew-t Expected Information Matrix Evaluation and Use for Standard Error Calculations
R. Douglas Martin, Chindhanai Uthaisaad and Daniel Z. Xia 188

rcosmo: R Package for Analysis of Spherical, HEALPix and Cosmological Data
Daniel Fryer, Ming Li and Andriy Olenko 206

Tools for Analyzing R Code the Tidy Way
Lucy D’Agostino McGowan, Sean Kross and Jeffrey Leek 226

spinifex: An R Package for Creating a Manual Tour of Low-dimensional Projections of Multivariate Data
Nicholas Spyrison and Dianne Cook 243

ari: The Automated R Instructor
Sean Kross, Jeffrey T. Leek and John Muschelli 258

CopulaCenR: Copula based Regression Models for Bivariate Censored Data in R
Tao Sun and Ying Ding 266

mistr: A Computational Framework for Mixture and Composite Distributions
Lukas Sablica and Kurt Hornik 283

difNLR: Generalized Logistic Regression Models for DIF and DDF Detection
Adéla Hladká and Patrícia Martinková 300

BayesMallows: An R Package for the Bayesian Mallows Model
Øystein Sørensen, Marta Crispino, Qinghua Liu and Valeria Vitelli 324

Variable Importance Plots—An Introduction to the vip Package
Brandon M. Greenwell and Bradley C. Boehmke 343

SimilaR: R Code Clone and Plagiarism Detection
Maciej Bartoszuk and Marek Gagolewski 367

Linear Fractional Stable Motion with the rlfsm R Package
Stepan Mazur and Dmitry Otryakhin 386

The R package NonProbEst for estimation in non-probability surveys
M. Rueda, R. Ferri-García and L. Castro 406

ProjectManagement: an R Package for Managing Projects
Juan Carlos Gonçalves-Dosantos, Ignacio García-Jurado and Julián Costa 419

The Rockerverse: Packages and Applications for Containerisation with R
Daniel Nüst, Dirk Eddelbuettel, Dom Bennett, Robrecht Cannoodt, Dav Clark, Gergely Daróczi, Mark Edmondson, Colin Fay, Ellis Hughes, Lars Kjeldgaard, Sean Lopp, Ben Marwick, Heather Nolis, Jacqueline Nolis, Hong Ooi, Karthik Ram, Noam Ross, Lori Shepherd, Péter Sólymos, Tyson Lee Swetnam, Nitesh Turaga, Charlotte Van Petegem, Jason Williams, Craig Willis and Nan Xiao 437

Special Articles

S, R, and Data Science
John M. Chambers 462

Provenance of R’s Gradient Optimizers
John C. Nash 477

News and Notes

Conference Report: Why R? 2019
Michał Burdukiewicz, Filip Pietluch, Jarosław Chilimoniuk, Katarzyna Sidorczuk, Dominik Rafacz, Leon Eyrich Jessen, Stefan Rödiger, Marcin Kosin ́ski and Piotr Wójcik 484

Changes on CRAN
Kurt Hornik, Uwe Ligges and Achim Zeileis 485

R Foundation News
Torsten Hothorn 498