data.table. Matt Dowle and Arun Srinivasan (2019). data.table: Extension of . R package version 1.12.2.

dplyr. Hadley Wickham, Romain François, Lionel Henry and Kirill Müller (2019). dplyr: A Grammar of Data Manipulation. R package version 0.8.3. https://CRAN.R-project.org/package=dplyr

ggplot2. Hadley Wickham, Winston Chang, Lionel Henry, Thomas Lin Pedersen, Kohske Takahashi, Claus Wilke, Kara Woo and Hiroaki Yutani (2019). ggplot2: Create Elegant Data Visualisations Using the Grammar of Graphics. R package version 3.2.0.

iml. Christoph Molnar (2019). iml: Interpretable Machine Learning. R package version 0.9.0. https://CRAN.R-project.org/package=iml

knitr. Yihui Xie (2019). knitr: A General-Purpose Package for Dynamic Report Generation in R. R package version 1.23.

memoise. Hadley Wickham, Jim Hester, Kirill Müller and Daniel Cook (2017). memoise: Memoisation of Functions. R package version 1.1.0. https://CRAN.R-project.org/package=memoise

mlr. Bernd Bischl, Michel Lang, Lars Kotthoff, Julia Schiffner, Jakob Richter, Zachary Jones, Giuseppe Casalicchio, Mason Gallo and Patrick Schratz (2019). mlr: Machine Learning in R. R package version 2.15.0.

mvtnorm. Alan Genz, Frank Bretz, Tetsuhisa Miwa, Xuefei Mi and Torsten Hothorn (2019). mvtnorm: Multivariate Normal and t Distributions. R package version 1.0-11. https://CRAN.R-project.org/package=mvtnorm

NLP. Kurt Hornik (2018). NLP: Natural Language Processing Infrastructure. R package version 0.2-0.

ParamHelpers. Bernd Bischl, Michel Lang, Jakob Richter, Jakob Bossek, Daniel Horn and Pascal Kerschke (2019). ParamHelpers: Helpers for Parameters in Black-Box Optimization, Tuning and Machine Learning. R package version 1.12. https://CRAN.R-project.org/package=ParamHelpers

pre. Marjolein Fokkema and Benjamin Christoffersen (2019). pre: Prediction Rule Ensembles. R package version 0.7.1.

readr. Hadley Wickham, Jim Hester and Romain Francois (2018). readr: Read Rectangular Text Data. R package version 1.3.1. https://CRAN.R-project.org/package=readr

rpart. Terry Therneau and Beth Atkinson (2019). rpart: Recursive Partitioning and Regression Trees. R package version 4.1-15.

tidyr. Hadley Wickham and Lionel Henry (2019). tidyr: Easily Tidy Data with ‘spread()’ and ‘gather()’ Functions. R package version 0.8.3. https://CRAN.R-project.org/package=tidyr

tm. Ingo Feinerer and Kurt Hornik (2018). tm: Text Mining Package. R package version 0.7-6.

viridisLite. Simon Garnier (2018). viridisLite: Default Color Maps from ‘matplotlib’ (Lite Version). R package version 0.3.0. https://CRAN.R-project.org/package=viridisLite