sessionInfo

From utils v3.6.2 by R-core R-core@R-project.org

Collect Information About the Current R Session

Print version information about R, the OS and attached or loaded packages.

Keywords: misc

Usage

sessionInfo(package = NULL)
# S3 method for sessionInfo
print(x, locale = TRUE,
      RNG = !identical(x$RNGkind, .RNGdefaults), …)
# S3 method for sessionInfo
toLatex(object, locale = TRUE,
        RNG = !identical(object$RNGkind, .RNGdefaults), …)
osVersion

Arguments

package: a character vector naming installed packages, or NULL (the default) meaning all attached packages.
x: an object of class "sessionInfo".
object: an object of class "sessionInfo".
locale: show locale information?
RNG: show information on RNGkind()? Defaults to true iff it differs from the R version's default, i.e., RNGversion(*).
…: currently not used.

Value

sessionInfo() returns an object of class "sessionInfo" which has print and toLatex methods. This is a list with components

R.version

a list, the result of calling R.Version().

platform

a character string describing the platform R was built under. Where sub-architectures are in use this is of the form platform/sub-arch (nn-bit).

running

a character string (or possibly NULL), the same as osVersion, see below.

RNGkind

a character vector, the result of calling RNGkind().

matprod

a character string, the result of calling getOption("matprod").

BLAS

a character string, the result of calling extSoftVersion()["BLAS"].

LAPACK

a character string, the result of calling La_library().

locale

a character string, the result of calling Sys.getlocale().

basePkgs

a character vector of base packages which are attached.

otherPkgs

(not always present): a character vector of other attached packages.

loadedOnly

(not always present): a named list of the results of calling packageDescription on packages whose namespaces are loaded but are not attached.

Note

The information on ‘loaded’ packages and namespaces is the current version installed at the location the package was loaded from: it can be wrong if another process has been changing packages during the session.

`osVersion`

osVersion is a character string (or possibly NULL on bizarre platforms) describing the OS and version which it is running under (as distinct from built under). This attempts to name a Linux distribution and give the OS name on an Apple Mac.

It is the same as sessionInfo()$running and created when loading the utils package.

Windows may report unexpected versions: see the help for win.version.

How OSes identify themselves and their versions can be arcane: where possible osVersion (and hence sessionInfo()$running) uses a human-readable form.

Examples

library(utils)

# NOT RUN {
sI <- sessionInfo()
sI
# The same, showing the RNGkind, but not the locale :
  print(sI, RNG = TRUE, locale = FALSE)
toLatex(sI, locale = FALSE) # shortest; possibly desirable at end of report
# }

Documentation reproduced from package utils, version 3.6.2, License: Part of R 3.6.2

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