Zelig (version 3.5.1)

zeligDepStatus: Zelig Dependencies Packages Client Status

Description

Compares Zelig-matrix of dependencies to the locally installed packages. Finds those packages that Zelig depends on and are not installed in local environment. Also finds those packages that are locally installed but with lower versions than those required in the dependencies matrix. The Zelig-matrix includes any of dependency fields in the DESCRIPTION files, i.e. depends, imports and suggests, for any packages directly derived from Zelig and for any of the models that Zelig supports.

Usage

zeligDepStatus(lib.loc = NULL)

Arguments

lib.loc

a character vector of directory names of R libraries, or NULL. The default value NULL corresponds to all libraries currently known. If the default is used, the loaded packages are searched before the libraries.

Value

• Returns a matrix of packages that are either installed locally with lower versions, or packages not installed but listed in the Zelig-matrix of dependencies. The matrix rows correspond to the packages and the columns contain the following fields
• Package
  names of packages.
• Version
  versions locally installed
• Zideal
  versions required in Zelig-matrix of dependencies.

References

King, Gary. Zelig: Everyones Statistical Software. http://gking.harvard.edu/zelig.

See Also

installed.packages packageDescription zeligDepUpdate

Examples

## find packages in all libraries currently installed
zstatus <- zeligDepStatus()
## find packages only in lib.loc
zstatus <- zeligDepStatus(lib.loc="~/.R/mylibrary")