On 29 November 2017 at 21:45, Hervé Pagès wrote:
> You're missing the point of my original post. Which is that
> there is a serious inconsistency between the unary and binary
> forms of is(). Maybe the binary form is right in case of
My understanding is that there is no inconsistency. `is` does w
Yes, data.frame is not an S4 class but is(data.frame())
finds its super-classes anyway and without the need to wrap
it in asS4(). And "list' is one of the super-classes. Then
is(data.frame(), "list") contradicts this.
I'm not asking for a workaround. I already have one with
'class2 %in% is(object
Hi Herve,
Interesting observation with `setClass` but it is for S4. It looks
like `data.frame()` is not an S4 class.
> isS4(data.frame())
[1] FALSE
And in your case this might help:
> is(asS4(data.frame()), "list")
[1] TRUE
Looks like `is` is designed for S4 classes, I am not entirely sure.
Hi Mehmet,
On 11/29/2017 11:22 AM, Suzen, Mehmet wrote:
Hi Herve,
I think you are confusing subclasses and classes. There is no
contradiction. `is` documentation
is very clear:
`With one argument, returns all the super-classes of this object's class.`
Yes that's indeed very clear. So if "lis
Hi Herve,
I think you are confusing subclasses and classes. There is no
contradiction. `is` documentation
is very clear:
`With one argument, returns all the super-classes of this object's class.`
Note that object class is always `data.frame` here, check:
> class(data.frame())
[1] "data.frame"
>
Hi,
The unary forms of is() and extends() report that data.frame
extends list, oldClass, and vector:
> is(data.frame())
[1] "data.frame" "list" "oldClass" "vector"
> extends("data.frame")
[1] "data.frame" "list" "oldClass" "vector"
However, the binary form of is() disag
> On Nov 29, 2017, at 10:25 AM, Toby Hocking wrote:
>
> I am getting the following on CRAN windows and winbuilder
> https://www.r-project.org/nosvn/R.check/r-devel-windows-ix86+x86_64/penaltyLearning-00check.html
>
> Apparently there is an error in re-building vignettes, but I do not have
> an
I am getting the following on CRAN windows and winbuilder
https://www.r-project.org/nosvn/R.check/r-devel-windows-ix86+x86_64/penaltyLearning-00check.html
Apparently there is an error in re-building vignettes, but I do not have
any idea what it is, because all that is listed is three dots (...). I
