yulab.utils (version 0.2.3)

is.installed: is.installed

Description

Check whether packages are installed

Usage

is.installed(packages)

Value

logical vector

Arguments

packages

package names

Author

Guangchuang Yu

See Also

Other pkg-utils: CRANpkg(), Githubpkg(), get_dependencies(), get_fun_from_pkg(), mypkg(), packageTitle(), pload()

Examples

is.installed(c("dplyr", "ggplot2"))