[R] error with demo in gsubfn on Mac; Re: string parsing

[David Winsemius]

On Feb 16, 2011, at 4:13 PM, Gabor Grothendieck wrote:

> On Wed, Feb 16, 2011 at 3:42 PM, David Winsemius <dwinsemius at comcast.net 
> > wrote:
>>
>> On Feb 16, 2011, at 3:25 PM, Gabor Grothendieck wrote:
>>
>>> On Tue, Feb 15, 2011 at 5:20 PM, Sam Steingold <sds at gnu.org> wrote:
>>>>
>>>>
>>>
>>> Check the example at the end of section 2 of the gsubfn vignette:
>>>
>>> http://cran.r-project.org/web/packages/gsubfn/vignettes/gsubfn.pdf
>>
>> OK. I'm impressed. So I loaded gsubfn to do some self study and got:
>>
>>> require(gsubfn)
>> Loading required package: gsubfn
>> Loading required package: proto
>>> demo("gsubfn-si")
>>
>>
>>        demo(gsubfn-si)
>>        ---- ~~~~~~~~~
>>
>> Type  <Return>   to start :
>> Error in source(available, echo = echo, max.deparse.length = Inf,
>> keep.source = TRUE) :
>>  invalid multibyte character in parser at line 8
>>> sessionInfo()
>> R version 2.12.1 (2010-12-16)
>> Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
>>
>> locale:
>> [1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
>>
>> attached base packages:
>> [1] splines   stats     graphics  grDevices utils     datasets
>> [7] methods   base
>>
>> other attached packages:
>> [1] gsubfn_0.5-5    proto_0.3-8     rms_3.1-0       Hmisc_3.8-3
>> [5] survival_2.36-2 sos_1.3-0       brew_1.0-4      lattice_0.19-13
>>
>> loaded via a namespace (and not attached):
>> [1] cluster_1.13.2 grid_2.12.1    tools_2.12.1
>>
>
> I can't reproduce this on my Windows system. I assume its a character
> set issue associated with the Mac.  What happens when you try this
> first (or some variation):
>
> Sys.setlocale("LC_ALL","C")


 > demo("gsubfn-si")
First it loads X11() and then I get:

	demo(gsubfn-si)
	---- ~~~~~~~~~

Type  <Return>	 to start :

 > # given number possibly followed by SI letter (e.g. 32.5k where k  
means 1000)
 > # replace letter with e followed by appropriate digits.
 > # (see formatEng2R by Hans-Joerg Bibiko in the R Wiki)
 >
 > conv <- list(y = "e-24", z = "e-21", a = "e-18", f = "e-15", p =  
"e-12",
+     n = "e-9", `µ` = "e-6", m = "e-3", d = "e-1", c = "e-2", k = "e3",
+     M = "e6", G = "e9", T = "e12", P = "e15", E = "e18", Z = "e21",  
Y = "e24")

 > gsubfn(".$", conv, c("19", "32.5M"))
Loading required package: tcltk
Loading Tcl/Tk interface ... done
[1] "19"     "32.5e6"

I don't see any unusual characters in that output... ooops, there is  
it is... that "mu".

-- 
David.

>
> ?
>
> -- 
> Statistics & Software Consulting
> GKX Group, GKX Associates Inc.
> tel: 1-877-GKX-GROUP
> email: ggrothendieck at gmail.com

David Winsemius, MD
West Hartford, CT