R.utils (version 1.1.0)

isPackageLoaded: Checks if a package is loaded or not

Description

Checks if a package is loaded or not. Note that, contrary to require(), this function does not load the package if not loaded.

Usage

## S3 method for class 'default}(package, version=NULL, ...)':
isPackageLoadedundefined

package{The name of the package.}
 version{A character string specifying the version to test for.
    If NULL, any version is tested for.}
 ...{Not used.}

Returns a logical.

[object Object]

require().



utilities
package

Arguments