From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Loris Bennett" <loris.bennett@fu-berlin.de>
Subject: Referring to results rather than code block
Date: Mon, 19 May 2014 16:11:29 +0200
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To: emacs-orgmode@gnu.org

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?

Cheers,

Loris
 
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