[R] Linux-Windows problem

[Henrik Bengtsson]

Sorry for asking the obvious, but have you confirmed that you are
running the same version of R on both systems?

/H

On Tue, Jul 6, 2010 at 2:11 PM, Bos, Roger <roger.bos at rothschild.com> wrote:
> Uwe,
>
> I suspect I might be having a similar problem as the R code I generate
> in Windows editor (Tinn-R) doesn't always open properly in my Linux
> editor (Rkward), but I don't know how to change the default encoding in
> either one.
>
> In R on both machines, getOption("encoding") returns "native.enc", so
> the problem is not with R, but rather at the OS or editor level.  If you
> or anyone could help me out that would be appreciated.
>
> Thanks,
>
> Roger
>
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> On Behalf Of Uwe Ligges
> Sent: Monday, July 05, 2010 10:04 AM
> To: Ildiko Varga
> Cc: r-help at r-project.org
> Subject: Re: [R] Linux-Windows problem
>
>
>
> On 05.07.2010 14:31, Ildiko Varga wrote:
>> Dear All,
>>
>> I faced the following problem. With the same data.frame the results
>> are different under Linux and Windows.
>> Could you help on this topic?
>
> I guess you read in the data differently since you have different
> default encodings on both platforms (e.g. latin1 vs. UTF-8) and you data
> is probably not plain ASCII.
>
> Best,
> Uwe Ligges
>
>> Thanks in advance,
>> Ildiko
>>
>> Linux:
>>   >  d = read.csv("CRP.csv")
>>   >  d$drugCode = as.numeric(d$drug)
>>   >  cor(d, use="pairwise.complete.obs")
>>             PATIENT     BL.CRP   X24HR.CRP   X48HR.CRP drug   drugCode
>> PATIENT        NA         NA          NA          NA   NA         NA
>> BL.CRP         NA  1.0000000  0.84324880 -0.05699590   NA -0.3367147
>> X24HR.CRP      NA  0.8432488  1.00000000 -0.06162383   NA -0.3557316
>> X48HR.CRP      NA -0.0569959 -0.06162383  1.00000000   NA  0.1553356
>> drug           NA         NA          NA          NA   NA         NA
>> drugCode       NA -0.3367147 -0.35573159  0.15533562   NA  1.0000000
>> Warning message:
>> In cor(d, use = "pairwise.complete.obs") : NAs introduced by coercion
>>   >  str(d)
>> 'data.frame':   41 obs. of  6 variables:
>>    $ PATIENT  : Factor w/ 41 levels "RV13","RV14",..: 2 3 4 6 7 12 13
>> 14
>> 15 17 ...
>>    $ BL.CRP   : num  7.3 31.2 4.2 6.7 1.6 7.7 5.3 38.9 1 7.3 ...
>>    $ X24HR.CRP: num  6.1 24.9 11.1 4.9 1 5 3.7 18 1 7.3 ...
>>    $ X48HR.CRP: num  121.5 40 28.4 34.5 33.3 ...
>>    $ drug     : Factor w/ 2 levels "active","placebo": 1 1 1 1 1 1 1 1
> 1
>> 1 ...
>>    $ drugCode : num  1 1 1 1 1 1 1 1 1 1 ...
>>
>>           Windows:
>>   >  d = read.csv("CRP.csv")
>>   >  d$drugCode = as.numeric(d$drug)
>>   >  cor(d, use="pairwise.complete.obs") Error in cor(d, use =
>> "pairwise.complete.obs") : 'x' must be numeric
>>   >  str(d)
>> 'data.frame':   41 obs. of  6 variables:
>>    $ PATIENT  : Factor w/ 41 levels "RV13","RV14",..: 2 3 4 6 7 12 13
>> 14
>> 15 17 ...
>>    $ BL.CRP   : num  7.3 31.2 4.2 6.7 1.6 7.7 5.3 38.9 1 7.3 ...
>>    $ X24HR.CRP: num  6.1 24.9 11.1 4.9 1 5 3.7 18 1 7.3 ...
>>    $ X48HR.CRP: num  121.5 40 28.4 34.5 33.3 ...
>>    $ drug     : Factor w/ 2 levels "active","placebo": 1 1 1 1 1 1 1 1
> 1
>> 1 ...
>>    $ drugCode : num  1 1 1 1 1 1 1 1 1 1 ...
>>
>>       [[alternative HTML version deleted]]
>>
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>
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>