Although the package name miniCRAN
seems to indicate you can only use CRAN as a repository, you can in fact use any CRAN-like repository.
This vignette contains some examples of how to refer to different package repositories, including CRAN, alternative mirrors of CRAN, R-Forge as well as BioConductor.
To simplify the code to show the salient features, we use a little helper function, index()
that is a simple wrapper around available.packages()
:
# Wrapper around available.packages --------------------------------------- index <- function(url, type = "source", filters = NULL, head = 5, cols = c("Package", "Version")) { contribUrl <- contrib.url(url, type = type) p <- available.packages(contribUrl, type = type, filters = filters) p[1:head, cols] }
The URL for the master mirror in Austria:
CRAN <- "http://cran.r-project.org" index(CRAN)
You can also point to any other mirror, for example the stable version hosted by Revolution Analytics:
revoStable <- "http://packages.revolutionanalytics.com/cran/3.1/stable" index(revoStable) revoMirror <- "http://cran.revolutionanalytics.com" index(revoMirror)
R-forge has CRAN-like structure:
rforge <- "http://r-forge.r-project.org" index(rforge)
Although BioConductor has a different preferred install mechanism, the underlying repository structure is also CRAN-like:
bioc <- local({ env <- new.env() on.exit(rm(env)) evalq(source("http://bioconductor.org/biocLite.R", local = TRUE), env) biocinstallRepos() }) bioc bioc[grep("BioC", names(bioc))] index(bioc["BioCsoft"])
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