Table of Contents
To check which package version is loaded in R, you can use the packageVersion() function. This function takes the name of the package as its argument and returns the version of the package that is loaded in the current R session. For example, packageVersion(“ggplot2”) will return the version of the ggplot2 package that is currently loaded.
You can use the following functions to check which package version is loaded in R:
#display package version packageVersion("ggplot2") #display the date when this package version was released packageDate("ggplot2") #display description of the package packageDescription("ggplot2")
The following example shows how to use these functions in practice.
Example: Check which Package Version is Loaded in R
Suppose we load the ggplot2 package in our current R environment:
library(ggplot2) We can use the packageVersion() function to check which version of ggplot2 is loaded:
#display package version packageVersion("ggplot2") [1] '3.3.2'
We can see that version 3.2.2 is loaded.
To find out when this version was released, we can use the packageDate() function:
#display the date when this package version was released packageDate("ggplot2") [1] "2020-06-17"
We can see that this version was released on June 17, 2020.
And to view a description of the package, we can use the packageDescription() function:
#display description of the package packageDescription("ggplot2") Package: ggplot2 Version: 3.3.2 Title: Create Elegant Data Visualisations Using the Grammar of Graphics Description: A system for 'declaratively' creating graphics, based on "The Grammar of Graphics". You provide the data, tell 'ggplot2' how to map variables to aesthetics, what graphical primitives to use, and it takes care of the details. Authors@R: c( person("Hadley", "Wickham", , "[email protected]", "aut", comment = c(ORCID = "0000-0003-4757-117X")), person("Winston", "Chang", , role = "aut", comment = c(ORCID = "0000-0002-1576-2126")), person("Lionel", "Henry", , role = "aut"), person("Thomas Lin", "Pedersen", , "[email protected]", role = c("aut", "cre"), comment = c(ORCID = "0000-0002-5147-4711")), person("Kohske", "Takahashi", role = "aut"), person("Claus", "Wilke", role = "aut", comment = c(ORCID = "0000-0002-7470-9261")), person("Kara", "Woo", role = "aut", comment = c(ORCID = "0000-0002-5125-4188")), person("Hiroaki", "Yutani", role = "aut", comment = c(ORCID = "0000-0002-3385-7233")), person("Dewey", "Dunnington", role = "aut", comment = c(ORCID = "0000-0002-9415-4582")), person("RStudio", role = c("cph", "fnd")) ) Depends: R (>= 3.2) Imports: digest, glue, grDevices, grid, gtable (>= 0.1.1), isoband, MASS, mgcv, rlang (>= 0.3.0), scales (>= 0.5.0), stats, tibble, withr (>= 2.0.0) Suggests: covr, dplyr, ggplot2movies, hexbin, Hmisc, knitr, lattice, mapproj, maps, maptools, multcomp, munsell, nlme, profvis, quantreg, RColorBrewer, rgeos, rmarkdown, rpart, sf (>= 0.7-3), svglite (>= 1.2.0.9001), testthat (>= 2.1.0), vdiffr (>= 0.3.0) Enhances: sp License: GPL-2 | file LICENSE URL: http://ggplot2.tidyverse.org, https://github.com/tidyverse/ggplot2 BugReports: https://github.com/tidyverse/ggplot2/issues LazyData: true Collate: 'ggproto.r' 'ggplot-global.R' 'aaa-.r' 'aes-colour-fill-alpha.r' ..... VignetteBuilder: knitr RoxygenNote: 7.1.0.9000 Encoding: UTF-8 NeedsCompilation: no Packaged: 2020-06-17 06:03:58 UTC; thomas Author: Hadley Wickham [aut] (<https://orcid.org/0000-0003-4757-117X>), Winston Chang [aut] (<https://orcid.org/0000-0002-1576-2126>), Lionel Henry [aut], Thomas Lin Pedersen [aut, cre] (<https://orcid.org/0000-0002-5147-4711>), Kohske Takahashi [aut], Claus Wilke [aut] (<https://orcid.org/0000-0002-7470-9261>), Kara Woo [aut] (<https://orcid.org/0000-0002-5125-4188>), Hiroaki Yutani [aut] (<https://orcid.org/0000-0002-3385-7233>), Dewey Dunnington [aut] (<https://orcid.org/0000-0002-9415-4582>), RStudio [cph, fnd] Maintainer: Thomas Lin Pedersen <[email protected]> Repository: CRAN Date/Publication: 2020-06-19 13:00:03 UTC Built: R 4.0.3; ; 2020-11-20 18:07:33 UTC; unix -- File: /usr/lib/R/site-library/ggplot2/Meta/package.rds
The description includes a brief explanation of what the package does, the authors of the package, where to report bugs, the publication date, and much more.
The following tutorials explain how to perform other common tasks in R: