I dati prima del 31 dicembre sono quelli di forumdeitroll.it, per fare un confronto. Stiamo carburando

select date(date), count(*)
from messages
where date(date) >= date_format('2011-12-01', '%Y-%m-%d')
group by date(date)
order by date(date) asc +------------+----------+
| date(date) | count(*) |
+------------+----------+
| 2011-12-01 | 199 |
| 2011-12-02 | 360 |
| 2011-12-03 | 252 |
| 2011-12-04 | 301 |
| 2011-12-05 | 457 |
| 2011-12-06 | 299 |
| 2011-12-07 | 291 |
| 2011-12-08 | 308 |
| 2011-12-09 | 334 |
| 2011-12-10 | 242 |
| 2011-12-11 | 240 |
| 2011-12-12 | 204 |
| 2011-12-13 | 320 |
| 2011-12-14 | 309 |
| 2011-12-15 | 343 |
| 2011-12-16 | 232 |
| 2011-12-17 | 287 |
| 2011-12-18 | 351 |
| 2011-12-19 | 263 |
| 2011-12-20 | 403 |
| 2011-12-21 | 395 |
| 2011-12-22 | 304 |
| 2011-12-23 | 239 |
| 2011-12-24 | 222 |
| 2011-12-25 | 190 |
| 2011-12-26 | 170 |
| 2011-12-27 | 230 |
| 2011-12-28 | 31 |
| 2012-01-07 | 62 |
| 2012-01-08 | 90 |
| 2012-01-09 | 92 |
| 2012-01-10 | 88 |
| 2012-01-11 | 86 |
| 2012-01-12 | 125 |
| 2012-01-13 | 147 |
| 2012-01-14 | 99 |
| 2012-01-15 | 129 |
| 2012-01-16 | 151 |
| 2012-01-17 | 180 |
| 2012-01-18 | 177 |
| 2012-01-19 | 126 |
| 2012-01-20 | 120 |
| 2012-01-21 | 186 |
| 2012-01-22 | 132 |
| 2012-01-23 | 164 |
| 2012-01-24 | 62 |
| 2012-01-25 | 101 |
| 2012-01-26 | 88 |
| 2012-01-27 | 123 |
| 2012-01-28 | 63 |
| 2012-01-29 | 71 |
| 2012-01-30 | 107 |
| 2012-01-31 | 155 |
| 2012-02-01 | 160 |
| 2012-02-02 | 96 |
| 2012-02-03 | 113 |
| 2012-02-04 | 105 |
| 2012-02-05 | 111 |
| 2012-02-06 | 126 |
| 2012-02-07 | 173 |
| 2012-02-08 | 128 |
| 2012-02-09 | 208 |
| 2012-02-10 | 187 |
| 2012-02-11 | 44 |
+------------+----------+
Dall'output ho segato i post di oggi che sono parziali.
$ gnuplot
gnuplot> set terminal png size 1024,768
Terminal type set to 'png'
Options are 'nocrop font arial 12 size 1024,768 '
gnuplot> set style data histograms
gnuplot> set style histogram cluster
gnuplot> set ylabel "numero posts"
gnuplot> set xlabel "giorno"
gnuplot> set xtics nomirror rotate by -45
gnuplot> set output "output.png"
gnuplot> plot "input.txt" using 2:xticlabels(1) t "numero posts"
[img]/punto/output.png[/img]
Non riesco a fare di meglio con gnuplot, chi mi aiuta?
**Modificato dall'autore il 11.02.2012 15:19**