check-vector-isInstalled: Is the package installed?
In acidgenomics/goalie: Assertive Check Functions
check-vector-isInstalled R Documentation
Is the package installed?
Description
Is the package installed?
Usage
isInstalled(x, lib = NULL)
allAreInstalled(x, lib = NULL)
Arguments
x
Object.
lib
character(1) or NULL.
R library location.
If left NULL, includes all known library paths defined in .libPaths.
Value
TRUE on success;
FALSE on failure, with cause set.
Functions
-
isInstalled(): Vectorized.
-
allAreInstalled(): Scalar.
Note
Updated 2023-09-29.
Examples
## TRUE ====
isInstalled(c("base", "utils"))
## FALSE ====
isInstalled(c("AAA", "BBB"))
acidgenomics/goalie documentation built on June 10, 2025, 8:03 a.m.
R Package Documentation
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| check-vector-isInstalled | R Documentation |
Is the package installed?
Description
Is the package installed?
Usage
isInstalled(x, lib = NULL)
allAreInstalled(x, lib = NULL)
Arguments
x |
Object. |
lib |
|
Value
TRUE on success;
FALSE on failure, with cause set.
Functions
-
isInstalled(): Vectorized. -
allAreInstalled(): Scalar.
Note
Updated 2023-09-29.
Examples
## TRUE ====
isInstalled(c("base", "utils"))
## FALSE ====
isInstalled(c("AAA", "BBB"))
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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