duplicate 'row.names' are not allowed

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Hi

r-help-bounces at r-project.org napsal dne 28.04.2009 15:09:55:
Thanks, I can't use the name as a variable because I need to create a 
matrix
which does include only numerical values!
If you are 100% sure about dimensions let your numeric matrix be without 
row names and put names into separate character vector, which can be used 
together with matrix. But you must check consistency yourself.

Or use data frame where all columns except column with names can be 
numeric and you can easily extract numeric columns and transfer them to 
matrix.

Regards
Petr
--- Uwe Ligges <ligges at statistik.tu-dortmund.de> schrieb am Di, 
28.4.2009:

Von: Uwe Ligges <ligges at statistik.tu-dortmund.de>
Betreff: Re: [R] duplicate 'row.names' are not allowed
An: "amor Gandhi" <amorigandhi at yahoo.de>
CC: r-help at stat.math.ethz.ch, "S Ellison" <S.Ellison at lgc.co.uk>
Datum: Dienstag, 28. April 2009, 15:04

amor Gandhi wrote:
Yes, I would like, but what I sent you was just an example! I am 
reading a
huge data, so I cant do it by hand, could you please tell how to do this 
in R,
some of the names are also coming one after another.

But I do not understand why you would habe it as row.names and not as a 
separate variavle.

And I do not undertsand which principle is behind your renaming. You 
need to give a real example.

Uwe Ligges

Many thanks

--- Uwe Ligges <ligges at statistik.tu-dortmund.de> schrieb am Di, 
28.4.2009:

Von: Uwe Ligges <ligges at statistik.tu-dortmund.de>
Betreff: Re: [R] duplicate 'row.names' are not allowed
An: "amor Gandhi" <amorigandhi at yahoo.de>
CC: r-help at stat.math.ethz.ch, "S Ellison" <S.Ellison at lgc.co.uk>
Datum: Dienstag, 28. April 2009, 14:52

amor Gandhi wrote:
Thank you for your reply :)! Is it possible to solve the problem by 
using
A.4, A.4a, A.9 and A.91? How one cand do this in R?

Err, change "A.4" to "A.4a" in your code?

Uwe

Many thanks

--- S Ellison <S.Ellison at lgc.co.uk> schrieb am Di, 28.4.2009:

Von: S Ellison <S.Ellison at lgc.co.uk>
Betreff: Re: [R] duplicate 'row.names' are not allowed
An: r-help at stat.math.ethz.ch, "amor Gandhi" <amorigandhi at yahoo.de>
Datum: Dienstag, 28. April 2009, 14:17

You have used A.4 and A.9 twice.

Look at 
nam
# or 
duplicated(nam)

amor Gandhi <amorigandhi at yahoo.de> 28/04/2009 13:04:03 >>>
Hi everyone,
*?
I have got the following problem:
*?
x1 <- rnorm(10,5,1)
x2 <- runif(10,0,1)
nam1 <- paste("A",1:4,sep=".")
nam2 <- paste("A",6:9,sep=".")
nam <- c(nam1,"A.4",nam2,"A.9")
mydata <- data.frame(x1,x2)
rownames(mydata) <- nam
Error in `row.names<-.data.frame`(`*tmp*`, value = c("A.1", "A.2", 
"A.3", :
duplicate 'row.names' are not allowed
In addition: Warning message:
non-unique values when setting 'row.names': *??A.4*??, *??A.9*??
*?
I am very thankful for your help!
*?
Amor

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PLEASE do read the posting guide 
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