[R] trouble with character \u00e2
Charles Annis, P.E.
Charles.Annis at StatisticalEngineering.com
Wed Oct 8 20:55:38 CEST 2008
Thank you Professor:
Here is an example using R2.8.0 beta. It shows the coding to be "latin1"
I installed my package which requires rcom, RODBC, RColorBrewer, survival I
was unable to find rcom in the packages drop-down menu. I tried mirrors
USA(PA) and USA(PA2). rcom does appear in the menu run under R2.7.2,
however.
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> ls()
character(0)
> file.label <- "EXAMPLE 1 â vs a.xls"
> charToRaw(file.label)
[1] 45 58 41 4d 50 4c 45 20 31 20 e2 20 76 73 20 61 2e 78 6c 73
> Encoding(file.label)
[1] "latin1"
>
Charles Annis, P.E.
Charles.Annis at StatisticalEngineering.com
phone: 561-352-9699
eFax: 614-455-3265
http://www.StatisticalEngineering.com
-----Original Message-----
From: Prof Brian Ripley [mailto:ripley at stats.ox.ac.uk]
Sent: Wednesday, October 08, 2008 2:20 PM
To: Charles Annis, P.E.
Subject: RE: [R] trouble with character \u00e2
On Wed, 8 Oct 2008, Charles Annis, P.E. wrote:
> Professor Ripley:
>
> Can I get the Windows binaries for R2.8.0 beta? I looked earlier today
and
> found the tar files but not any binaries.
> http://cran.r-project.org/src/base-prerelease/
http://cran.r-project.org/bin/windows/base/rtest.html
or look via Windows.
>
> Thank you.
>
> Charles Annis, P.E.
>
> Charles.Annis at StatisticalEngineering.com
> phone: 561-352-9699
> eFax: 614-455-3265
> http://www.StatisticalEngineering.com
>
>
> -----Original Message-----
> From: Prof Brian Ripley [mailto:ripley at stats.ox.ac.uk]
> Sent: Wednesday, October 08, 2008 1:10 PM
> To: Charles Annis, P.E.
> Cc: r-help at r-project.org
> Subject: RE: [R] trouble with character \u00e2
>
> Can you please try a 2.8.0 beta build? I have a suspicion as to what
> might be going on, and it cannot happen there.
>
> If my guess is correct,
>
> nfile <- paste("diagnostic â vs a ", file.label, ".jpg", sep = "")
> savePlot(path.expand(nfile), type="jpg")
>
> may work for you in 2.7.2 (but as I said, I wasn't able to reproduce this
> there). The crucial bit is to use path.expand() on the final file name:
> it will do nothing except ensure that the encoding is correct.
>
> On Wed, 8 Oct 2008, Charles Annis, P.E. wrote:
>
>> Thank you Professor:
>>
>> After reading in the file this is what I see:
>>> file.label
>> [1] "EXAMPLE 1 â vs a.xls"
>>
>> charToRaw(file.label)
>> [1] 45 58 41 4d 50 4c 45 20 31 20 c3 a2 20 76 73 20 61 2e 78 6c 73
>>
>>> Encoding(file.label)
>> [1] "UTF-8"
>>
>>> Encoding(paste("diagnostic â vs a ", file.label, ".jpg", sep = ""))
>> [1] "UTF-8"
>>
>> But look what happens after I run your example:
>>> charToRaw(file.label)
>> [1] 45 58 41 4d 50 4c 45 20 31 20 e2 20 76 73 20 61 2e 78 6c 73
> (after)
>> [1] 45 58 41 4d 50 4c 45 20 31 20 c3 a2 20 76 73 20 61 2e 78 6c 73
> (before)
>>
>> The file label appears on the screen as it does above both times, but
>> clearly charToRaw() shows that the coding for â has changed from the
>> unexpected c3 a2, to the desired e2.
>>
>> After running your example I now observe
>>> Encoding(file.label)
>> [1] "latin1"
>>
>> Again, thank you for your help.
>>
>> Charles Annis, P.E.
>>
>> Charles.Annis at StatisticalEngineering.com
>> phone: 561-352-9699
>> eFax: 614-455-3265
>> http://www.StatisticalEngineering.com
>>
>>
>> -----Original Message-----
>> From: Prof Brian Ripley [mailto:ripley at stats.ox.ac.uk]
>> Sent: Wednesday, October 08, 2008 10:32 AM
>> To: Charles Annis, P.E.
>> Cc: r-help at r-project.org
>> Subject: RE: [R] trouble with character \u00e2
>>
>> That also works without a hitch on my box, even in vanilla 2.7.2. What
>> exactly is in file.label as given by
>>
>> charToRaw(file.label)
>> Encoding(file.label)
>>
>> ? It should be in UTF-8, and so should
>>
>> paste("diagnostic â vs a ", file.label, ".jpg", sep = "")
>>
>> It looks like the latter is not being treated as UTF-8 on your system
(see
>> what Encoding() says on its value).
>>
>> On Wed, 8 Oct 2008, Charles Annis, P.E. wrote:
>>
>>> Thank you, Professor Ripley:
>>>
>>> Your example works for me too.
>>>
>>> plot(1:10, xlab = "a", ylab = "â")
>>> file.label <- "EXAMPLE 1 â vs a.xls"
>>> savePlot(paste("diagnostic â vs a ", file.label, ".jpg",
>>> sep = ""), type = "jpg")
>>>
>>>
>>> But, if I read-in the file name using file.choose() I get the same
>> corrupted
>>> output filename ( "diagnostic â vs a EXAMPLE 1 â vs a.xls.jpg" ) from
> my
>> R
>>> routines. However, if I paste that same file.label as it is printed to
>> the
>>> screen with my input routine, replacing your "foo" (as above) things
work
>> as
>>> they should ( "diagnostic â vs a EXAMPLE 1 â vs a.xls.jpg" ).
>> Furthermore,
>>> if I again run my plotting routines after your example (like that here,
>>> above), my routines no longer produce corrupted filenames for the saved
>>> plots.
>>>
>>> The trouble seems to be caused by my how I read-in the file name. Here
> is
>> a
>>> simple example that produces a corrupted file name for the saved plot:
>>>
>>> plot(1:10, xlab = "a", ylab = "â")
>>> file.name <<- file.choose()
>>> print(file.name)
>>> file.label <<- basename(file.name)
>>> savePlot(paste("diagnostic â vs a ", file.label, ".jpg",
>>> sep = ""), type = "jpg")
>>>
>>>
>>> The name of my input Excel file is "EXAMPLE 1 â vs a.xls"
>>> The problem does not occur on R < R2.7.0
>>>
>>> I am running R2.7.2 on a 5 year old DELL box (2 Gig RAM, 3GHz Pentium 4)
>>> with Windows XP, and have also experienced the problem on my Thinkpad
>> laptop
>>> (2 Gig, Intel Core2 Duo, 1.6GHz) running Vista.
>>>
>>> Thank you for your counsel.
>>>
>>> Charles Annis, P.E.
>>>
>>> Charles.Annis at StatisticalEngineering.com
>>> phone: 561-352-9699
>>> eFax: 614-455-3265
>>> http://www.StatisticalEngineering.com
>>>
>>>
>>> -----Original Message-----
>>> From: Prof Brian Ripley [mailto:ripley at stats.ox.ac.uk]
>>> Sent: Wednesday, October 08, 2008 4:39 AM
>>> To: Charles Annis, P.E.
>>> Cc: r-help at r-project.org
>>> Subject: Re: [R] trouble with character \u00e2
>>>
>>> You haven't given any of the information asked for in the posting guide.
>>> But, assuming this is Windows in CP1252 (as I believe that has been your
>>> locale before), it works for me in current R.
>>>
>>> plot(1:10)
>>> file.label <- "foo"
>>> savePlot(paste("diagnostic â vs a ", file.label, ".jpg",
>>> sep = ""), type = "jpg")
>>>
>>> If you are not using 2.8.0 beta or 2.7.2 patched, please check those.
>>> This might be related to
>>>
>>> o file.path() did not work correctly in 2.7.0 if the
> components
>>> had different encodings.
>>>
>>> (NEWS for 2.7.1).
>>>
>>> On Sun, 5 Oct 2008, Charles Annis, P.E. wrote:
>>>
>>>> Greetings R-wizards:
>>>>
>>>> For historical reasons I have filenames with the character "â" and have
>>>> successfully used "\u00e2" in its place, with the hoped-for result on
> all
>>> my
>>>> on-screen plots.
>>>>
>>>> However since R2.7.0 I have trouble with savePlot() when the file name
>>>> includes that character as it does in this example:
>>>>
>>>> savePlot(paste("diagnostic â vs a ", file.label, ".jpg",
>>>> sep = ""), type = "jpg")
>>>>
>>>> In R2.6.0 and earlier, R would ignore a dot ('.') in the file name and
>>>> supply the extension. Since R2.7.0 if filename does include a dot,
>>>> savePlot() will not add the file type as an extension. Thus my
> apparent
>>>> redundancy in the file name.
>>>>
>>>> The problem I have is that the example command will substitute an
>> unwanted
>>>> character for â, yet if I use "File, save as, jpg ... " and type in a
>> name
>>>> containing the troublesome character, R saves the on-screen plot with
>> that
>>>> character in the name with no complaints.
>>>>
>>>> I have tried using iconv() with no success, as can be seen with the
>>>> following code:
>>>>
>>>> file.name <- paste("diagnostic â vs a ", file.label, ".jpg", sep = "")
>>>>
>>>> iconv.List <- iconvlist()
>>>>
>>>> for(encoding in iconv.List) {
>>>>
>>>> print(iconv(file.name, "", encoding, ""))}
>>>>
>>>> So, here's the question: How can I save, with a non-interactive R
>>> command,
>>>> an existing plot with the troublesome character in the file name?
>>>>
>>>> Thanks.
>>>>
>>>>
>>>>
>>>> Charles Annis, P.E.
>>>>
>>>> Charles.Annis at StatisticalEngineering.com
>>>> phone: 561-352-9699
>>>> eFax: 614-455-3265
>>>> http://www.StatisticalEngineering.com
>>>>
>>>>
>>>> ______________________________________________
>>>> R-help at r-project.org mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>
>>>
>>> --
>>> Brian D. Ripley, ripley at stats.ox.ac.uk
>>> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
>>> University of Oxford, Tel: +44 1865 272861 (self)
>>> 1 South Parks Road, +44 1865 272866 (PA)
>>> Oxford OX1 3TG, UK Fax: +44 1865 272595
>>>
>>>
>>
>> --
>> Brian D. Ripley, ripley at stats.ox.ac.uk
>> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
>> University of Oxford, Tel: +44 1865 272861 (self)
>> 1 South Parks Road, +44 1865 272866 (PA)
>> Oxford OX1 3TG, UK Fax: +44 1865 272595
>>
>>
>
> --
> Brian D. Ripley, ripley at stats.ox.ac.uk
> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
> University of Oxford, Tel: +44 1865 272861 (self)
> 1 South Parks Road, +44 1865 272866 (PA)
> Oxford OX1 3TG, UK Fax: +44 1865 272595
>
>
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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