Nick,


This got me curious to see the output. I tried to generate it on my computer and get this in the *gnuplot* buffer after running the code:

-----
gnuplot> plot data using 1:2:3 notitle
                               ^
         warning: Skipping data file with no valid points
                                      ^
         x range is invalid
-----

This is working for you, though?

#+tblname: sessions
| Date       |  Time | Distance |
|------------+-------+----------|
| 09/02/2010 | 15:13 |      2.5 |
| 09/01/2010 | 14:00 |      2.4 |

#+begin_src gnuplot :var data=sessions :file org-running.png :exports both
  set title "Running Stats"
  set auto x
  set style data histogram
  set style fill solid border -1
  set boxwidth .9
  set xlabel "Date"
  set ylabel "Time"
  plot data using 1:2:3 notitle
#+end_src


John

On Wed, Sep 8, 2010 at 8:10 AM, Nick Parker <nickp@developernotes.com> wrote:
Erik,

That was the issue, the :file reference needed to be on the line above.  Thanks.


Nick Parker
www.developernotes.com


On Tue, Sep 7, 2010 at 10:27 PM, Erik Iverson <eriki@ccbr.umn.edu> wrote:
On 09/07/2010 10:12 PM, Nick Parker wrote:
Hi John,

I would actually like to plot different lines per distance, each
that correlate to a date and elapsed-time (x and y axis respectively).
 I get an error with the :file notation, though I read that in a sample
babel gnuplot example for generating graphs of commit history on the
org-mode git repository.  I tried to reference the variable data without
the quotes and $ sign without any success.  I will continue to fiddle
with it, I am new to gnuplot.

AFAIK, you can't break source code header argument lines across
multiple lines.  Is that how you actually have it in your
org file?


       #+begin_src gnuplot :var data=sessions
          :file org-running.png :exports both
          set title "Running Stats"
          set auto x
          set style data histogram
          set style fill solid border -1
          set boxwidth .9
          set xlabel "Date"
          set ylabel "Time"
          plot "$data" using 1:2:3 notitle
       #+end_src

       Nick Parker
       www.developernotes.com <http://www.developernotes.com>


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