withRepos

From R.utils v2.0.0 by Henrik Bengtsson

Evaluate an R expression with repositories set temporarily

Evaluate an R expression with repositories set temporarily.

Keywords: programming, IO

Usage

withRepos(expr, repos="[[mainstream]]", ..., envir=parent.frame())

Arguments

expr: The R expression to be evaluated.
repos: A character vector of repositories to use.
...: Additional arguments passed to useRepos().
envir: The environment in which the expression should be evaluated.

Value

Returns the results of the expression evaluated.

Examples

# Install from BioC related repositories only
  withRepos(install.packages("edgeR"), repos="[[BioC]]")

  # Install from CRAN or BioC related repositories only
  withRepos(install.packages("edgeR"), repos=c("CRAN", "[[BioC]]"))

  # Install from mainstream repositories only (same as previous)
  withRepos(install.packages("edgeR"), repos="[[mainstream]]")

  # Install from R-Forge and mainstream repositories only
  withRepos(install.packages("R.utils"), repos="[[R-Forge]]")

Documentation reproduced from package R.utils, version 2.0.0, License: LGPL (>= 2.1)

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