From: Nick Dokos <ndokos@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: Referring to results rather than code block
Date: Mon, 19 May 2014 11:25:08 -0400 [thread overview]
Message-ID: <87egzp6baj.fsf@alphaville.bos.redhat.com> (raw)
In-Reply-To: 87iop1eu3y.fsf@hornfels.zedat.fu-berlin.de
"Loris Bennett" <loris.bennett@fu-berlin.de> writes:
> Hi,
>
> I have a code block like this
>
> #+NAME: users_per_month
> #+HEADER: :results append
> #+BEGIN_SRC sh :dir /root@sadmin:
> sacct=/cm/shared/apps/slurm/current/bin/sacct
> for y in {2014..2014}; do
> for m in {03..04}; do
> month=$y-$m
> first=$y-$m-01
> last=`date -d "$first + 1 month - 1 day" +"%Y-%m-%d"`
> n=`$sacct -S $first -E $last -o user -X -n | sort | uniq | wc -l`
> echo $month $n
> done
> done
> #+END_SRC
>
> which produces something like this
>
> #+RESULTS: users_per_month
> | 2012-01 | 1 |
> | 2012-02 | 10 |
> | 2012-03 | 100 |
> | 2012-04 | 1000 |
>
> I'm using append because the generation of a datapoint takes a while.
>
> I'd like to plot the data with something like:
>
> #+NAME: plot_users_per_month
> #+HEADER: var data=users_per_month
> #+HEADER: :results output graphics
> #+HEADER: :file ./users_per_month.pdf :exports both
> #+HEADER: :session *r*
> #+BEGIN_SRC R
> library(ggplot2)
>
> bar_colour <- "#69B4D8" # steely blue
>
> month <- data$V1
> users <- data$V2
> df <- data.frame(month,users)
> p <- ggplot(df,aes(x=month,y=users)) +
> geom_bar(stat="identity",alpha=0.5,fill=bar_colour) +
> xlab("date") +
> ylab("users")
> p
> #+END_SRC
>
> However, this is just generating a plot of the data generated by the
> source block and not of the total results table.
>
> Can I give the results block a different name to the source block, so
> that I can refer to it directly, or should I be doing something
> completely different?
>
I believe so: the source name ties the source block to the same named
result block - that allows the source block to find the result block
and modify it appropriately. The results block can be named and then
that name can be used in the plotting block, e.g.
--8<---------------cut here---------------start------------->8---
#+name: foo
#+BEGIN_SRC sh :results output table append :var n=5
for x in $(seq $n)
do
echo $x $(expr $x \* $x)
done
#+END_SRC
#+name: foo_results
#+RESULTS: foo
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 16 |
| 5 | 25 |
#+NAME: plot_foo_results
#+HEADER: :var data=foo_results
#+HEADER: :file ./foo.pdf :exports both
#+BEGIN_SRC gnuplot
plot data
#+END_SRC
--8<---------------cut here---------------end--------------->8---
Nick
next prev parent reply other threads:[~2014-05-19 15:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-19 14:11 Referring to results rather than code block Loris Bennett
2014-05-19 15:25 ` Nick Dokos [this message]
2014-05-20 8:55 ` Loris Bennett
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