[Rd] 7 arguments passed to .Internal(identical) which requires 6

peter dalgaard pdalgd at gmail.com
Wed Jun 6 22:04:03 CEST 2012

FYI, Brian has backed out the changes to identical() in r59533 of R-patched. Please retry your test codes with the new version. (Due to some ISP mess-up, Brian is temporarily unable to reply in detail himself.)


On Jun 6, 2012, at 20:29 , <luke-tierney at uiowa.edu> <luke-tierney at uiowa.edu> wrote:

> On Wed, 6 Jun 2012, Matthew Dowle wrote:
>> Dan Tenenbaum <dtenenba <at> fhcrc.org> writes:
>>> I know this has come up before on R-help
>>> (http://r.789695.n4.nabble.com/7-arguments-passed-to-Internal-identical-which-
>> requires-6-td4548460.html)
>>> but I have a concise reproducible case that I wanted to share.
>>> Also, please note the Bioconductor scenario which is potentially
>>> seriously impacted by this.
>>> The issue arises when a binary version of a package (like my example
>>> package below) is built under R 2.15.0 Patched but then installed
>>> under R 2.15.0.  Our package AnnotationDbi (which hundreds of other
>>> packages depend on) is impacted by this issue to the extent that
>>> calling virtually any function in it will return something like this:
>>> Error in ls(2) :
>>>  7 arguments passed to .Internal(identical) which requires 6
>>> My concern is that when R 2.15.1 is released and Bioconductor starts
>>> building all its packages under it, that R 2.15.0 users will start to
>>> experience this problem. We can ask all users to upgrade to R 2.15.1
>>> if we have to, but it's not usually the case that a minor point
>>> release MUST be installed in order to run packages built under it
>>> (please correct me if I'm wrong). We would much prefer a workaround or
>>> fix to make an upgrade unnecessary.
>> I'm seeing the same issue. Installing the latest R-Forge .zip of data.table
>> built using 2.15.0 patched, on R 2.15.0 (or 2.14.1 same issue), then running
>> data.table(a=1:3) produces the "7 arguments passed to .Internal(identical)
>> which requires 6" error.  traceback() and debugger() just display the top level
>> call. debug(data.table) and stepping through reveals it is a call to identical
>> () but just a regular one. No .Internal() call in the package, let alone
>> passing 6 or 7 arguments to .Internal.
>> Not sure how else to debug or trace it. R-Forge is byte compiling data.table
>> using R 2.15.0 patched (iiuc), would that make a difference when the byte code
>> is loaded into 2.15.0 which doesn't have the new argument in identical()?
> Yes it would.
> luke
>> Matthew
>> ______________________________________________
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> -- 
> Luke Tierney
> Chair, Statistics and Actuarial Science
> Ralph E. Wareham Professor of Mathematical Sciences
> University of Iowa                  Phone:             319-335-3386
> Department of Statistics and        Fax:               319-335-3017
>   Actuarial Science
> 241 Schaeffer Hall                  email:   luke-tierney at uiowa.edu
> Iowa City, IA 52242                 WWW:  http://www.stat.uiowa.edu
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel

Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com

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