Re: [opensuse] Lies, damned lies and statistics

On Tuesday 22 September 2009 04:42:07 am Joop Beris wrote:
Hello listmates,

Recently we have done a poll around the office. Now, I am supposed to
process the results and show it all off with tables and graphs, etc. Now, I
can do this by hand, of course. However, I wouldn't be much of an IT person
if I did...

So, does anyone know of a piece of software under Linux that could do this
sort of thing? I've searched the repos, but I haven't been able to find one
supplied with openSUSE. I am running 11.1, with KDE 4.3.
Any way to do this in OpenOffice perhaps?

Any tips are welcome.

Regards,

Joop


Joop,

Depends on what format your data is in now. Generally, for poll results, it
is just a matter of summing/dividing the votes for question 1, option A,
option B, question 2, etc.. and then displaying them in a way that is
meaningful for you.

Even if you don't want to use OO for the plots and charts, it might not be a
bad idea to at least get your data into calc so that you can manipulate it and
export it in just about any format you will need for whatever you decide to
use.

If you just want to use the IT skills and parse the data from the command
line with bash/sed/awk and then produce graphs from that, then spline, graph
and plot are great cli tools for that purpose. (shot example cut and pasted
from my notes):

The following example demonstrates the use of calc to build a X Y string to
pass to the curve fitting utility 'spline' and output the graph data file
test.meta. GNU 'plot' is then called to display a graph on the screen:

ans="" \

for ((i=1;i<=10;i++)); do \
ans="$ans $i $(calc -p $i^3-$i^2) " \
done \

echo $ans | spline | graph > test.meta \

plot -T X test.meta

plot has good print handling as well, you'll have to check the man page for
that.

Otherwise, I can't think of a simpler way to chart, plot, sum, graph, etc.
than to use OO. Most other solutions tend to be invent it yourself.

Now I have seen some software for analyzing "web-polls", etc., but I don't
have a package name handy. You'll just have to google that.

Good luck with the project.

--
David C. Rankin, J.D.,P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
Telephone: (936) 715-9333
Facsimile: (936) 715-9339
www.rankinlawfirm.com
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