[Rd] Solved and Question: Problem with S3 method dispatch and NAMESPACE

Frank Harrell f.harrell at vanderbilt.edu
Wed Apr 24 17:00:59 CEST 2013


Thank you very much Peter.  That did the trick.
Frank

Peter Dalgaard-2 wrote
> On Apr 24, 2013, at 15:59 , Frank Harrell wrote:
> 
>> I found that package quantreg has created a new generic for latex() [I
>> wish
>> it hadn't; this has been a generic in Hmisc for almost 2 decades].  When
>> I
>> require(quantreg) after loading rms, latex(anova.rms object) dispatches
>> latex.default, but everything is fine if I don't load quantreg.  rms has
>> import(Hmisc) in NAMESPACE and is loaded before quantreg, hence the
>> conflict.  How do I make the generic from Hmisc take precedence?
> 
> 
> library(quantreg, pos=x) with suitably large x is one idea.
> 
>> Thanks
>> Frank
>> 
>> Frank Harrell wrote
>>> I have updated the rms package to extensively use NAMESPACE.  I cannot
>>> get
>>> certain S3 methods to dispatch.  For example I have in NAMESPACE
>>> 
>>> S3method(anova, rms)
>>> S3method(latex, anova.rms)
>>> 
>>> anova.rms produces an object of class "anova.rms" and there is a
>>> latex.anova.rms function in rms.  But when I do latex(anova(fit)) I get
>>> an
>>> invocation of latex.default.
>>> 
>>> I have tried using "anova.rms" and `anova.rms` in S3method() to no
>>> avail.
>>> 
>>> Any help appreciated.  I'm using R 2.15.3
>>> Frank
>> 
>> 
>> 
>> 
>> 
>> -----
>> Frank Harrell
>> Department of Biostatistics, Vanderbilt University
>> --
>> View this message in context:
>> http://r.789695.n4.nabble.com/Problem-with-S3-method-dispatch-and-NAMESPACE-tp4665179p4665216.html
>> Sent from the R devel mailing list archive at Nabble.com.
>> 
>> ______________________________________________
>> 

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> -- 
> Peter Dalgaard, Professor
> Center for Statistics, Copenhagen Business School
> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
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-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
--
View this message in context: http://r.789695.n4.nabble.com/Problem-with-S3-method-dispatch-and-NAMESPACE-tp4665179p4665226.html
Sent from the R devel mailing list archive at Nabble.com.



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