For analysis of the data you should consider using the
code from the
The R Project for Statistical Computing.
R is `GNU S', a freely available language and environment for statistical computing and graphics
which provides a wide variety of statistical and graphical techniques: linear and nonlinear
modelling, statistical tests, time series analysis, classification, clustering, etc.
For the analysis of your survey you may want to use a
classification and regression tree. This allows you to
put your users into different categories and still do
statistics. There is a contributed R module called Pinktoe,
which is a piece of S code that will automatically turn
a classification and regression tree into a set of HTML
and perl files.
There is even a site called
CRAN, The Comprehensive R Archive Network that is
like a CPAN for R.
Your database-update idea sounds like it could save you
lots of work. However,
if you are going to allow the a CGI script to create new
database tables, you should use some sort
of authentication such as a password field to access this
capability.
Otherwise, people can play with the values that they
submit and mess up your database.
It should work perfectly the first time! - toma
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