isClassOrNULL | R Documentation |
isClassOrNULL
checks if object is an instance of a specified class or
is null.
isClassOrNULL(x, class)
x |
object to test. |
class |
String specifying class to test. |
Logical indicating if x
is an instance of class
.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.