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From: Matt Price <moptop99@gmail.com>
To: "Berry, Charles" <ccberry@health.ucsd.edu>
Cc: Org Mode <emacs-orgmode@gnu.org>
Subject: Re: R session and plotting in x11 window
Date: Mon, 6 Apr 2020 21:26:04 -0400	[thread overview]
Message-ID: <CAN_Dec-YBMk2uonj+0+dOwOkNec3U1T9q_txZo0KX1OF31ub5A@mail.gmail.com> (raw)
In-Reply-To: <44FD428E-9525-4FE4-88BC-9A906960DD4B@ucsd.edu>

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On Sun, Apr 5, 2020 at 1:19 PM Berry, Charles <ccberry@health.ucsd.edu>

> > On Apr 4, 2020, at 4:27 PM, Matt Price <moptop99@gmail.com> wrote:
> >
> > Does anyone know much about the difference between an R session opened
> by typing M-x R, and the R session opened by org-babel?
> Short answer: almost none.
> Long answer: what `org-babel-R-initite-session' and friends do.
:-) thanks, I should have been looking for that

> >
> > I'm just learning R and my usual method for learning a language is to
> keep a kind of notebook in org with code snippets they I can execute and
> iterate on rapidly as I learn. This works great in R when I'm just doing
> math.  When I am working on plots, it would be nice to have them open up
> quickly either in emacs or in the standard x11 window that R session opened
> switch M-x R opens up.
> >
> > I know I can set the src block headers to produ e a file, but when I'm
> just iterating rapidly I often switch back and forth between a data output
> and a graphical output, and typing/erasing those headers is clunky and
> slow. It would be easier to just paste the plot command into the console
> and have it pop open the window... But that doesn't seem to work. Anyone
> know if I can tweak something to make that possible?
> >
> I sam really puzzled by this. Do you have an ECM that illustrates this?
> Working interactively on my Mac (Quartz - X11 is the device), I routinely
> do what you describe - usually working from the src edit buffer - and the
> plots are displayed (and older plots are available via clover-left or some
> such).
> If I had to guess, I'd say that you are opening an R session, but not
> using it. If you execute a src block, but it does not have a `:session'
> header, a new instance of R will create a plot file and then exit. If you
> look in the default directory, you would see `Rplots.pdf' or some such.
> The only other thing that comes to mind is that you opened a device that
> is holding on to all your plots. Try `dev.cur()' in R immediately before
> and after you create a plot and see what the result is.
> This was the problem. I don't see that I'm calling dev.set() anywhere but
when the session initiates dev.cur() returns


calling dev.set(1) or dev.set(2) launches an R_x11 window and future plots
are displayed there.  As I say, I'm just learning R, and I don't really
understand how the device is set up. I also don't understand why it would
be set to X11 in a plain-old R session, but not in an org-babel R session.
Most references to "device" in ~ob-R.el~ seem to be managing file outputs,
and "X11". For now I don't think I'll explore  a proper solution as I'm
already pretty far down a rabit hole just learning R at all!  But thanks
very much for this workaround.


> HTH,
> Chuck

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  reply	other threads:[~2020-04-07  1:30 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-04 23:27 R session and plotting in x11 window Matt Price
2020-04-05 17:19 ` Berry, Charles via General discussions about Org-mode.
2020-04-07  1:26   ` Matt Price [this message]
2020-04-07 11:36     ` briangpowell .
2020-04-07 17:37     ` Berry, Charles via General discussions about Org-mode.

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