[R] problems with read.table()

Joerg Maeder maeder at atmos.umnw.ethz.ch
Tue Jan 22 10:20:15 CET 2002


from the r-documentation

on my system (sparc solaris 2.8) is no such behaviour 

Try row.names = NULL (forces row numbering)

gruess

joerg

Ott Toomet wrote:
> 
> Hi,
> 
> I have lately migrated to R 1.4.0.
> 
> trying to read a table into R with read.delim, I hot the following error:
> 
> > tab20 <- read.delim("tab20.and")
> Error in "row.names<-.data.frame"(*tmp*, value = row.names) :
>         duplicate row.names are not allowed
> 
> The beginning of the file looks like (there are TAB-s between columns, both
> in the header and in the datalines):
> 
> t       prod
> 7.00000 0.0113800
> 9.00000 0.0113800
> 
> The read.delim() works fine as long I have only 51 lines of data in addition
> to the header, but if there are 52 or more lines, the first column is read
> in as the row.names and because some t-values coincide, it gives the error.
> 
> I have noticed problems with read.table here in the list before, but I could
> not figure out what is the corresponding patch, and how to find and install
> it.
> 
> I have RH 7.1 linux and
> 
> platform i686-pc-linux-gnu
> arch     i686
> os       linux-gnu
> system   i686, linux-gnu
> status
> major    1
> minor    4.0
> year     2001
> month    12
> day      19
> language R
> 
> Thanks in advance,
> 
> Ott Toomet
> 
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-- 
    Joerg Maeder             IACETH              INSTITUTE
   PhD Student                              FOR ATMOSPHERIC 
  Phone: +41 1 633 36 25                 AND CLIMATE SCIENCE
 Fax: +41 1 633 10 58                  ETH ZÜRICH Switzerland
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