search for: framerowlabels

...es state 'numeric' as one of the superclasses. Isn't that somewhat inconsistent? > getClass("integer") Class "integer" [package "methods"] No Slots, prototype of class "integer" Extends: "numeric", "vector", "data.frameRowLabels" > a <- 1:3 > class(a) [1] "integer" > inherits(a, "numeric") [1] FALSE Regards, Janko

The documentation for assignment says: In all the assignment operator expressions, 'x' can be a name or an expression defining a part of an object to be replaced (e.g., 'z[[1]]'). A syntactic name does not need to be quoted, though it can be (preferably by backticks). But the implementation allows assignment to a character string (i.e. not a name), which it

R-lang.pdf has the following description in Section 3.1.1. """ Any number typed directly at the prompt is a constant and is evaluated. > 1 [1] 1 Perhaps unexpectedly, the number returned from the expression 1 is a numeric. In most cases, the difference between an integer and a numeric value will be unimportant as R will do the right thing when using the numbers.

...## to character detach('package:testpkg', unload=TRUE) getClassDef('character') ## Class "character" [package "methods"] ## ## No Slots, prototype of class "character" ## ## Extends: "vector", "data.frameRowLabels", "SuperClassMethod", "chrOrNULL" ## ## Known Subclasses: ## Class "signature", from data part ## Class "className", from data part ## Class "ObjectsWithPackage", from data part ## `validObject` now fails: v...