Re: a couple of items

[Eric S Fraga]

On Wednesday,  3 Jun 2020 at 16:06, Mario Frasca wrote:
> consider this table, partially from the Wikipedia:

If you are willing to invoke gnuplot directly, using a src block, the
following is a start towards what you might want.  Proper nice looking
colours etc. left as an exercise for the reader... ;-)

#+begin_src org
  ,#+name: table
  | Region         |   Area | Production | Productivity |
  |                |  (Mha) |  (Mtonnes) |  (tonnes/ha) |
  |----------------+--------+------------+--------------|
  | Western Europe |  2.490 |      5.730 |    2.3012048 |
  | North America  |  2.960 |      5.756 |    1.9445946 |
  | South America  |  0.102 |      0.196 |    1.9215686 |
  | Middle East    |  4.462 |      6.950 |    1.5575975 |
  | North Africa   |  3.290 |      3.214 |    0.9768997 |
  | Others         |  3.756 |      3.540 |    0.9424920 |
  |----------------+--------+------------+--------------|
  | World          | 17.060 |     25.360 |    1.4865181 |
  ,#+TBLFM: $4=$3/$2

  ,#+begin_src gnuplot :var data=table[3:8,] :file plot.pdf
    reset
    set term pdfcairo color
    set xtics rotate 90
    set style fill solid border lt 1
    plot data using 2:xticlabels(1) with histogram linecolor "blue" title 
'Area', \
         '' using 3 with histogram lt 1 linecolor "red" title 'Production', \
         '' using 4 with points pt 5 linecolor black title 'Productivity'
  ,#+end_src
#+end_src

-- 
: Eric S Fraga via Emacs 28.0.50, Org release_9.3.6-640-g9bc0cc