[R] Reading data from "clipboard"

[Francisco J. Zagmutt]

>From: "Liaw, Andy" <andy_liaw at merck.com>
>To: "'R_xprt_wannabe'" <r_xprt_wannabe at yahoo.com>, r-help at stat.math.ethz.ch
>Subject: RE: [R] Reading data from "clipboard"
>Date: Mon, 28 Mar 2005 15:53:45 -0500
>
> > From: R_xprt_wannabe
> >
> > Dear List,
> >
> > As a way to learn R, I am trying out some of the
> > examples shown in the Reference Cards.
> >
> > I use the following to read a column of numbers from
> > Excel:
> >
> > x <- read.delim("clipboard")
> >
> > My questions are:
> >
> > 1. Why is it that the first number is omitted from the
> > selected data range?  How do I tell R to pick up the
> > first number as part of the entire selection?
>
>It's probably because read.delim() has the argument `header' that is TRUE 
>by
>default, so unless you set that to FALSE, it treats the first row as column
>headers.
>
>
> > 2. The next thing I want to do once my data are read
> > in the way described above is
> >
> > y <- ppoints(sort(x))
> >
> > but I get the following:
> >
> > Error in sort(x): 'x' must be atomic
> >
> > What does 'atomic' mean in this context?  How do I
> > make 'x' atomic?
>
>read.delim() outputs a data frame, which is a collection of variables.  In
>your case it's probably just one variable.  You can do x <- x[[1]] to 
>change
>x into the first column of the data frame.
>
>If you only have one column of data, scan() would be a better choice than
>read.delim() (and friends).
>
> > 3. While I understand there are other ways to
> > accomplish the same thing, I seem to recall there is a
> > way to invoke within R a spreadsheet-like window for
> > data input, but I can't seem to locate the command for
> > the life of me.
>
>You're probably looking for data.entry().

You can also access the same spreadsheet-like feature using fix() or edit(). 
  I like fix() better because it does not write the resuts of your edits 
back to the console once you make changes/add data.

Francisco


>
>Andy
>
> > Any help is appreciated.
> >
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> >
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