From mboxrd@z Thu Jan  1 00:00:00 1970
From: Aaron Ecay <aaronecay@gmail.com>
Subject: Re: ob-R, problem with try/catch
Date: Thu, 23 Apr 2015 23:39:42 +0100
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To: "Thomas S. Dye" <tsd@tsdye.com>, Rainer M Krug <r.m.krug@gmail.com>
Cc: Org-mode <emacs-orgmode@gnu.org>, "Charles C. Berry" <ccberry@ucsd.edu>

Hi Tom,

2015ko apirilak 23an, "Thomas S. Dye"-ek idatzi zuen:
>=20
> IIRC :results output graphics is needed for the ggplot package.

Hmm.  This is the case if the code is *not* evaluated in a session.  In
a session, either value or output result types work.  (All this has been
tested with a recent master version.)  An unfortunate situation =E2=80=93 I=
MO
the value type ought to work outside of a session, provided that the
value of the last expression in the block is a ggplot object.

Here=E2=80=99s a code block that can be adapted to test various combination=
s:

#+begin_src R :results output graphics :file foo.png :session *foo*
  library(ggplot2)
  ggplot(data.frame(x =3D rnorm(10), y =3D rnorm(10)),
         aes(x =3D x, y =3D y)) +
    geom_point()
#+end_src

--=20
Aaron Ecay