[R] memory blues

[Laurent Gautier]

Dear all,



I would like to know if the following behaviour is what one would expect ?
(I am running R-1.2.3 (I know I'd better upgrade) under Linux).

It seems a data.frame with only one column becomes a special case.... and
I cannot figure out why (I'd see no problem in being told to rtfm, I could not
find
anything about that in the help pages)


> a  <- data.frame(c(1:3),row.names=c("c","a","b"))
> a
  c.1.3.
c      1
a      2
b      3
> a[order(row.names(a)),]
[1] 2 3 1


...kinda odd, especially since the following give what I'd expect....


> a  <- data.frame(cbind(c(1:3),c(3:5)),row.names=c("c","a","b"))
> a
  X1 X2
c  1  3
a  2  4
b  3  5
> a[order(row.names(a)),]
  X1 X2
a  2  4
b  3  5
c  1  3



Cheers,


Laurent


--
Laurent Gautier                 CBS, Building 208, DTU
PhD. Student                    D-2800 Lyngby,Denmark
tel: +45 45 25 24 85            http://www.cbs.dtu.dk/laurent


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