chkPkgs: A Function to Check for and Install Missing Annotation Packages
Description
This is a wrapper function that calls all the necessary functions to
detect missing annotation packages, ensure all versions are compatible
with the current version of annaffy,and download required
packages. This is an internal function and should not be called by the
end user.
Usage
chkPkgs(pkg)
Arguments
pkg
The chip-level annotation package
Value
This function doesn't return anything; it is only called for its side
effect of loading or installing a chip-level annotation package.
Details
This function checks for the correct chip-level package, and if it is
not installed will download and install. In the case that there are
two versions of the same package installed, the function will return
the library location of the package with the correct version.