Introduction to miniCRAN

1-miniCRAN.R

# Install package from CRAN

getOption("repos")
options(repos=c(CRAN="http://cran.at.r-project.org/"))
install.packages("miniCRAN", type="source")

library("miniCRAN")
sessionInfo()

2-chron.R

library("miniCRAN")
sessionInfo()

pkgs <- c("chron")

pkgDep(pkgs)

p <- makeDepGraph(pkgs, enhances = TRUE)
?plot.pkgDepGraph

set.seed(20140917)
plot(p, cex=1.5, vertex.size=15)

3-multiple-packages.R

library("miniCRAN")

options(repos = c(CRAN = "http://cran.at.r-project.org/"))



pkgs <- c("data.table", "dplyr", "ggvis", "tidyr", "ggplot2")

pkgDep(pkgs, enhances=TRUE)

p <- makeDepGraph(pkgs, enhances = TRUE)

set.seed(1)
plot(p, cex=1, vertex.size=15)

pth <- "C:/Users/Andrie/Downloads/miniCRAN"
makeRepo(pkgDep(pkgs), path=pth, download=TRUE)

4-makeRepo.R

library("miniCRAN")

options(repos = c(CRAN = "http://cran.at.r-project.org/"))



pkgs <- c("data.table", "dplyr")

localCRAN <- "~/local-CRAN-repo"
dir.create(localCRAN)

makeRepo(pkgDep(pkgs), path = localCRAN, type = "source")
makeRepo(pkgDep(pkgs), path = localCRAN, type = "win.binary")

list.files(path = localCRAN, recursive = TRUE)

uri <- paste0("file:///", normalizePath(localCRAN))
uri

options(repos = c(CRAN=uri))
getOption("repos")

available.packages(type="source")
available.packages()