R package dependencies
Erich Neuwirth
December 12, 2015
CRAN at the moment (2015-12-12 12:25:37) has 7610 R packages.
Quite a few of these packages are required by other packages (by Depends, Imports, or LinkingTo)
| Required by | Packages |
|---|---|
| 0 | 5791 |
| 1-9 | 1412 |
| 10-99 | 305 |
| 100-999 | 91 |
| 1000-1999 | 8 |
| 2000 | 3 |
So there are 3 packages required by 2000 or more other packages.
The 30 packages which are required by the highest numbers of other packages are:
These top 30 packages were written by the following authors:
| Package | Required by | Authors |
|---|---|---|
| lattice | 2377 | Deepayan Sarkar |
| Rcpp | 2044 | Dirk Eddelbuettel, Romain Francois, JJ Allaire, Kevin Ushey, Qiang Kou, Douglas Bates and John Chambers |
| MASS | 2022 | Brian Ripley, Bill Venables, Douglas M. Bates, Kurt Hornik (partial port ca 1998), Albrecht Gebhardt (partial port ca 1998), David Firth |
| Matrix | 1352 | Douglas Bates and Martin Maechler |
| magrittr | 1327 | Stefan Milton Bache and Hadley Wickham |
| stringi | 1283 | Marek Gagolewski and Bartek Tartanus (stringi source code); IBM and other contributors (ICU4C 55.1 source code); Unicode, Inc. (Unicode Character Database) |
| stringr | 1263 | Hadley Wickham, RStudio |
| digest | 1259 | Dirk Eddelbuettel with contributions by Antoine Lucas, Jarek Tuszynski, Henrik Bengtsson, Simon Urbanek, Mario Frasca, Bryan Lewis, Murray Stokely, Hannes Muehleisen, Duncan Murdoch, Jim Hester and Wush Wu. |
| plyr | 1171 | Hadley Wickham |
| colorspace | 1027 | Ross Ihaka, Paul Murrell, Kurt Hornik, Jason C. Fisher, Achim Zeileis |
| RColorBrewer | 1018 | Erich Neuwirth |
| reshape2 | 956 | Hadley Wickham |
| dichromat | 924 | Thomas Lumley, Scott Waichler |
| labeling | 923 | Justin Talbot |
| munsell | 923 | Charlotte Wickham |
| scales | 922 | Hadley Wickham, RStudio |
| proto | 915 | Louis Kates, Thomas Petzoldt |
| gtable | 908 | Hadley Wickham |
| ggplot2 | 895 | Hadley Wickham, Winston Chang |
| nlme | 802 | José Pinheiro (S version), Douglas Bates (up to 2007), Saikat DebRoy (up to 2002), Deepayan Sarkar (up to 2005), EISPACK authors (src/rs.f), R-core |
| cluster | 692 | Martin Maechler, Peter Rousseeuw (Fortran original), Anja Struyf (S original), Mia Hubert (S original), Kurt Hornik (port to R; maintenance(1999-2000)), Matthias Studer, Pierre Roudier |
| survival | 668 | Terry M Therneau, Thomas Lumley (original S->R port and maintainer until 2009) |
| codetools | 645 | Luke Tierney |
| mvtnorm | 607 | Alan Genz, Frank Bretz, Tetsuhisa Miwa, Xuefei Mi, Friedrich Leisch, Fabian Scheipl, Bjoern Bornkamp, Martin Maechler, Torsten Hothorn |
| iterators | 547 | Rich Calaway, Revolution Analytics, Steve Weston |
| foreach | 536 | Rich Calaway, Revolution Analytics, Steve Weston |
| zoo | 484 | Achim Zeileis, Gabor Grothendieck, Jeffrey A. Ryan, Felix Andrews |
| nnet | 466 | Brian Ripley, William Venables |
| xtable | 455 | David B. Dahl |
| R6 | 422 | Winston Chang |