is_null_or_na: Check whether an object is NULL or NA.
In envnames: Keep Track of User-Defined Environment Names
Description
Usage
Arguments
Value
Description
This function silently handles special cases for which is.null() and is.na() may return a warning,
such as functions objects or environments.
(e.g. the warning "Warning message: In is.na(g) : is.na() applied to non-(list or vector) of type 'closure')"
Usage
1
Arguments
x
object to check.
Value
boolean indicating whether the object is NULL or NA.
FALSE is returned if the object does not exist.
envnames documentation built on Dec. 8, 2020, 9:07 a.m.
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Description Usage Arguments Value
Description
This function silently handles special cases for which is.null() and is.na() may return a warning, such as functions objects or environments. (e.g. the warning "Warning message: In is.na(g) : is.na() applied to non-(list or vector) of type 'closure')"
Usage
1 |
Arguments
x |
object to check. |
Value
boolean indicating whether the object is NULL or NA. FALSE is returned if the object does not exist.
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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