You may be haning Ion coerced into a factor. Have a
look at
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/98260.html
for some discussion of this.
I find that I usually set
options(stringsAsFactors = FALSE) just because of
this but as Gabor points out it may have its own
disadvantages in sharing code. I spent 2 hours once
trying to get an example to work only to find that the
code assume options(stringsAsFactors = TRUE).
--- Johannes Graumann <[EMAIL PROTECTED]>
wrote:
> As Tony assumed: a data frame.
>
> Joh
>
> John Kane wrote:
>
> > What was spectrum orginally?
> >
> >
> > --- Johannes Graumann <[EMAIL PROTECTED]>
> > wrote:
> >
> >> Why is class(spectrum[["Ion"]]) after this
> "factor"?
> >>
> >> spectrum <- cbind(spectrum,Ion=rep("",
> >> nrow(spectrum)),Deviation.AMU=rep(0.0,
> >> nrow(spectrum)))
> >>
> >> slowly going crazy ...
> >>
> >> Joh
> >>
> >> ______________________________________________
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> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained,
> >> reproducible code.
> >>
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> > http://www.R-project.org/posting-guide.html and
> provide commented,
> > minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained,
> reproducible code.
>
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