has_package: Check if a package is already installed
In jzsh2000/jzshr: jzsh2000's R Code
Description
Usage
Arguments
Value
Examples
Description
Read package list and check if a package is installed or not.
Usage
1
has_package(pkg, lib.loc = NULL)
Arguments
pkg
a character vector, each value represents a package name.
lib.loc
a character vector of directory names of R libraries, or
'NULL'. The default value of 'NULL' corresponds to all
libraries currently known.'
Value
a logical vector. TRUE means the package is installed.
Examples
1
has_package('stringr')
jzsh2000/jzshr documentation built on May 20, 2019, 6:29 a.m.
R Package Documentation
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Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Description Usage Arguments Value Examples
Description
Read package list and check if a package is installed or not.
Usage
1 | has_package(pkg, lib.loc = NULL)
|
Arguments
pkg |
a character vector, each value represents a package name. |
lib.loc |
a character vector of directory names of R libraries, or 'NULL'. The default value of 'NULL' corresponds to all libraries currently known.' |
Value
a logical vector. TRUE means the package is installed.
Examples
1 | has_package('stringr')
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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