[R] Easy cut & paste from Excel to R?
Gabor Grothendieck
ggrothendieck at gmail.com
Thu Sep 29 15:01:48 CEST 2005
See:
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/26922.html
On 9/29/05, Jose Quesada <quesada at gmail.com> wrote:
> Sorry to revive and old topic, but writing to the clipboard seems to
> have a problem for me: column names are ignored. Example:
>
> # ~~~~~~~~~~~~~~~~~~~~~~~
> # write.clipboard
> # ~~~~~~~~~~~~~~~~~~~~~~~
> write.clipboard = function(obj) {
> write.table(obj, file("clipboard"), sep="\t", row.names=F, col.names=T)
> }
>
> a= matrix(1:4,2,2)
> colnames(a) = c("a", "b")
>
> write.clipboard(a)
> a = as.data.frame(a)
> write.clipboard(a)
>
> both attempts will paste the date without column names.
> Any idea why?
>
> Thanks,
> -Jose
>
> On 2/16/05, Werner Wernersen <pensterfuzzer at yahoo.de> wrote:
> > Thank you all very much for the answers!
> > The read.table / read.delim2 commands are exactly what
> > I was looking for to get
> > a couple of numbers or a little matrix quickly into R
> > without creating an extra
> > text file every time.
> >
> > And it works the other way around as well:
> > write.table(x, file("clipboard"), sep="\t")
> > Fantastic!
> >
> > Thanks again,
> > Werner
> >
> > Nick Drew wrote:
> > > I've had good luck with the scan() function when I
> > > want to get a few numbers from Excel into R quickly
> > to
> > > use it as a calculator. CAVEAT: you have to have the
> > > numbers you want to copy in a column not a row in
> > > Excel. For example:
> > >
> > > In Excel your data are in a column as follows:
> > > Col A
> > > 1
> > > 2
> > > 3
> > >
> > > Then copy the 3 cells (e.g. 1, 2,3) in Excel and
> > open
> > > R and type in:
> > >
> > >>data <- scan()
> > >
> > >
> > > Then Paste using Ctrl-V. Hit the Enter key. You know
> > > have an object called "data" that you can use and
> > > manipulate in R.
> > >
> > > I've taken this even further by creating an R
> > function
> > > that will take a column of numbers from Excel and
> > then
> > > scan() them into R, create a matrix, and then
> > perform
> > > a Chi-square test. Let me know if you'd like to know
> > > more. I'm a beginner and if I can do so can you!!
> > >
> > > ~Nick
> > >
> > >
> > >
> > >
> > > __________________________________
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> >
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> > >
> > >
> >
> > ______________________________________________
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> >
>
>
> --
> Jose Quesada, PhD.
>
> j.quesada at warwick.ac.uk ESRC Postdoctoral Fellow
> http://lsa.colorado.edu/~quesadaj Dept. of PSychology
> http://www.andrew.cmu.edu/~jquesada University of Warwick
> office H114 Phone: +44 024 765 23 759
> Coventry, UK
>
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