chooseCRANmirror {utils}R Documentation

Select a CRAN Mirror


Interact with the user to choose a CRAN mirror.


chooseCRANmirror(graphics = getOption(""))


graphics Logical. If true and tcltk and an X server are available, use a Tk widget, or if under the AQUA interface use a MacOS X widget, otherwise use menu.


A list of mirrors is stored in file ‘R_HOME/doc/CRAN_mirrors.csv’, but first an on-line list of current mirrors is consulted, and the file copy used only if the on-line list is inaccessible.

This function was originally written to support a Windows GUI menu item, but is also called by contrib.url if it finds the initial dummy value of options("repos").


None. This function is invoked for its side effect of updating options("repos")

See Also

setRepositories, contrib.url.

[Package utils version 2.5.0 Index]