[R-SIG-Mac] R code not working under R version 2.13 for Mac

[Ben Bolker]

On 11-07-09 01:12 PM, Luca Meyer wrote:
> Thanks Jeff,
> 
> I have extracted the first 50 lines of the d4 data.frame and put them
> into the attached d4a.RData file. In case the list handler does not
> allow attachments I have uploaded a copy of the file onto my web site
> and it can be downloaded from: http://www.lucameyer.com/d4a.RData
> 
> Please notice that what I am trying to do is to aggregate over
> d4a$progetto and get a sum of d4a$ore. The error I get states:
> 
> Error in units == units[1L] : comparison between these types has not
> been implemented
> 
> Can you or anyone on the list spot what the matter could be for me? 
> 
> Thanks,
> Luca

  Before we jump into this, it would also be nice if you could sendthe
results of sessionInfo() from both a (minimal) working 2.12.x session
and a (minimal) non-working 2.13.x session -- I suspect a change in
packages, or that you haven't reinstalled some packages, or something
like that.


> 
> 
> 
> 
> Il giorno 09/lug/2011, alle ore 18.02, Jeffrey Ryan ha scritto:
> 
>> If you can provide a reproducible example, i.e. a *small* subset of
>> your data.frame that illustrates the error - as it would allow those
>> on the list to attempt to replicate.  
>>
>> "some info" can't be sourced in.  Try 'dput' and paste the results.
>>
>> Jeff
>>
>> On Sat, Jul 9, 2011 at 10:31 AM, Luca Meyer <lucam1968 at gmail.com
>> <mailto:lucam1968 at gmail.com>> wrote:
>>
>>     Hello,
>>
>>     I had a piece of code regularly working on R 2.12 now giving error
>>     on the newly installed R 2.13:
>>
>>     d5 <- aggregate(d4[,c("ore")],list(d4$progetto),sum)
>>
>>     Errore in units == units[1L] : confronto tra questi tipi non
>>     implementato - that's basically saying "comparison between these
>>     types has not been implemented"
>>
>>     How can I solve this issue? Please find attached some info about
>>     data frame d4
>>
>>     > class(d4)
>>     [1] "data.frame"
>>     > names(d4)
>>     [1] "data"      "anno"      "mese"      "settimana" "progetto"  "ore"
>>     > class(d4$ore)
>>     [1] "difftime"
>>     > class(d4$progetto)
>>     [1] "factor"
>>
>>     Also, this is the R version I have installed:
>>
>>     R version 2.13.0 (2011-04-13)
>>     Copyright (C) 2011 The R Foundation for Statistical Computing
>>     ISBN 3-900051-07-0
>>     Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
>>
>>     Thanks,
>>     Luca
>>
>>     _______________________________________________
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>>
>>
>>
>>
>> -- 
>> Jeffrey Ryan
>> jeffrey.ryan at lemnica.com <mailto:jeffrey.ryan at lemnica.com>
>>
>> www.lemnica.com <http://www.lemnica.com/>
>> www.esotericR.com <http://www.esotericR.com/>
>>
> 
> 
> 
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