[R] problem with read.table()

Birgitle birgit.lemcke at systbot.uzh.ch
Wed Jul 30 11:57:49 CEST 2008


I am sorry I just found the stupid mistake.

I did not specify dec="," because I usually use . 

Anyway thanks for having the opportunity to get help in this list.

B.


Birgitle wrote:
> 
> Hello R-User
> 
> I have a table as tab-delimited textfile (291 rows, 83 columns).
> The first row are labels and the first line the variable names.
> 
> I used the following code several times with different similar tables and
> it always worked.
> But now:
> 
>    setClass("of")
>    setAs("character", "of", function(from) as.ordered(from))
> 
>   Classe82<-cclasses <- c(rep("factor", 63),  rep("numeric",7), rep ("of",
> 12))
>   Table<-read.table("Table.txt",header=TRUE,row.names=1, na.strings="NA"
> ,colClasses = Classe82)
> 
> I get this error-message:
> 
>   Fehler in scan(file, what, nmax, sep, dec, quote, skip, nlines,
> na.strings,  : 
>   scan() erwartete 'a real', bekam '8,5'
> 
>   Error in scan(file, what, nmax, sep, dec, quote, skip, nlines,
> na.strings,  : 
>   scan()  expected 'a real', got '8,5'
> 
> It seems that the error is in the colClasses-argument. Without this
> argument it reads the table.
> I checked allready if there are empty cells or blanks in the header but
> could not find.
> Maybe that its just a simple thing and I know that I can change the
> classes after reading in the table, but I really would like to know how to
> do this right.
> 
> I would be very glad if somebody has an idea, or could tell me, how I
> could find out, what`s going wrong.
> 
> Many thanks in advance
> 
> B.
> 


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