[R] Summary re: read.table on Mac OS 10

David R. Bickel dbickel at mail.mcg.edu
Thu Feb 21 16:40:32 CET 2002


Unfortunately, 1.4.1 is not available from Fink and using "fink intall 
r-recommended" is the only way I have been able to successfully install 
R.

On Thursday, February 21, 2002, at 10:31 X, Prof Brian Ripley wrote:

> That's not the current version of R.  When you update to 1.4.1 you'll
> see the bug fix list includes this.
>
> It transpired that the posting earlier today about the speed of 
> read.table
> on Darwin vs Carbon was also a difference in R version (1.4.0 vs 1.3.1).
>
> Please do tell us the R version(s) you are using when posting.
> Installing 1.x.1 to replace 1.x.0 is highly recommended, for all values 
> of
> x.
>
> On Thu, 21 Feb 2002, David R. Bickel wrote:
>
>> Prof. Ripley,
>>
>> I encountered the read.table problem in the Darwin version using
>> as.is=TRUE, but not with as.is=FALSE. It gives different results than
>> the Carbon version does. The output for each version follows; 'temp' is
>> a two-line text file with three tab-delimited columns.
>>
>> UNDER DARWIN:
>>> read.table('temp')
>>                V1   V2   V3
>> 1 AFFX-BioB-5_at -214 -139
>> 2 AFFX-BioB-M_at  -49  -11
>>> read.table('temp',as.is=TRUE)
>> stack imbalance in internal type.convert, 26 then 25stack imbalance in
>> Internal, 25 then 24
>> stack imbalance in if, 19 then 18
>> stack imbalance in <-, 17 then 16
>> stack imbalance in {, 15 then 14
>> stack imbalance in for, 8 then 7
>> stack imbalance in {, 6 then 5
>>                V1   V2   V3
>> 1 AFFX-BioB-5_at -214 -139
>> 2 AFFX-BioB-M_at  -49  -11
>> Error: unprotect(): stack imbalance
>>
>> UNDER CARBON:
>>> read.table('temp')
>>                V1   V2   V3
>> 1 AFFX-BioB-5_at -214 -139
>> 2 AFFX-BioB-M_at  -49  -11
>>> read.table('temp',as.is=TRUE)
>>                V1   V2   V3
>> 1 AFFX-BioB-5_at -214 -139
>> 2 AFFX-BioB-M_at  -49  -11
>>
>> Best regards,
>> David
>>
>>
>> On Thursday, February 21, 2002, at 02:13 X, Prof Brian Ripley wrote:
>>
>>> Neither of you have anywhere told us what the actual error message was
>>> in problem number 3.

http://www.mcg.edu/research/biostat/bickel.html

David R. Bickel, PhD
Assistant Professor
Medical College of Georgia
Office of Biostatistics and Bioinformatics
1120 Fifteenth St., AE-3037
Augusta, GA 30912-4900

Tel.: 706-721-4697; Fax: 706-721-6294
E-mail: dbickel at mail.mcg.edu or bickel at prueba.info
>>
>>
>
> --
> 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 272860 (secr)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
>

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