miniCRAN (version 0.2.4)

makeDepGraph: Create dependency graph from available packages.

Description

Each package is a node, and a dependency is an edge

Usage

makeDepGraph(pkg, availPkgs, repos = getOption("repos"), type = "source",
  suggests = TRUE, enhances = FALSE, includeBasePkgs = FALSE, ...)

Arguments

pkg

Character vector of packages.

availPkgs

Vector of available packages. Defaults to reading this list from CRAN, using available.packages

repos

URL(s) of the 'contrib' sections of the repositories, e.g. "http://cran.us.r-project.org". Passed to available.packages

type

Possible values are (currently) "source", "mac.binary" and "win.binary": the binary types can be listed and downloaded but not installed on other platforms. Passed to download.packages.

suggests

If TRUE, retrieves Suggests dependencies (non-recursively)

enhances

If TRUE, retrieves Enhances dependencies (non-recursively)

includeBasePkgs

If TRUE, include base R packages in results

...

Other arguments passed to available.packages

See Also

pkgDep to extract package dependencies Other dependency functions: basePkgs; pkgDep; plot.pkgDepGraph

Examples

availPkgs <- cranJuly2014

availPkgs <- pkgAvail(
  repos = c(CRAN="http://cran.revolutionanalytics.com"),
  type="source"
  )


# Create dependency graph using stored database of available packages
p <- makeDepGraph(
  c("ggplot2", "forecast"), 
  availPkgs = availPkgs
)

if(require(igraph)) plot(p)



# Create dependency graph using newly retrieved database from CRAN
  
  p <- makeDepGraph(
  c("ggplot2", "forecast"), 
  repos = c(CRAN="http://cran.revolutionanalytics.com"), 
  type="source"
)
if(require(igraph)) plot(p)