isPackageLoaded.default

isPackageLoaded

package

A <code><a href="/link/character?package=R.utils&version=1.9.6&to=base" rd-options="base" data-mini-rdoc="base::character">character</a></code> string specifying the version to test for.
    If <code><a href="/link/NULL?package=R.utils&version=1.9.6&to=base" rd-options="base" data-mini-rdoc="base::NULL">NULL</a></code>, any version is tested for.

version

Checks if a package is loaded or not.
  Note that, contrary to <code><a href="/link/require?package=R.utils&version=1.9.6&to=base%3Alibrary" rd-options="base:library" data-mini-rdoc="base:library::require">require</a>()</code>,
  this function does not load the package if not loaded.

utilities

This package provides utility classes and methods useful when programming in R and developing R packages.

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isPackageLoaded: Checks if a package is loaded or not

Description

Usage

Arguments

Value

See Also