XPost: comp.ai.neural-nets, comp.ai.genetic, comp.soft-sys.math.scilab   
      
   csoren a écrit :   
   > Hello,   
   >   
   > I've undertaken a complex data-mining task and I need advice, please!   
   > We are trying to develop a model to measure and predict the complexity   
   > of a traffic situation within a region of airspace.  We're very lucky   
   > to have access to a database from a previous research effort that   
   > includes 40 relevant variables, all continuous, and 1 discrete response   
   > variable:  a subject matter expert complexity rating.  The previous   
   > researchers tried linear regression and a limited neural net   
   > application to find the best model, but they had only moderate success,   
   > and in a particular situation which is recognized as 'highly complex'   
   > their model was not unsuccessful.  So we want to extend the approach by   
   > identifying a set of classification indicators, firstly, and then   
   > pursuing nonlinear models and fuzzy logic.  (It is indeed a very fuzzy   
   > problem.)   
   >   
   > And of course, we do not have Matlab and do not have permission to buy   
   > it nor other expensive commercial COTS.  (I didn't expect to get access   
   > to this database, but I am convinced it can provide a great baseline of   
   > rules for us, if we can squeeze them out.... so this is unfortunately a   
   > bit of a 'spare-time' research effort.)  I'll be happy to buy something   
   > cheap or invest a bit of time extending an algorithm (C++), if someone   
   > has a tool that fits 'almost' ...   
   >   
   > So, .... any recommendations for approach, tools, open source   
   > solution(s)?  At a first glance the ANN and fuzzy addons to SciLab do   
   > not include classification nor rule extraction, but I will look into   
   > them further.  I've heard about CANFIS but cannot find it (other than 1   
   > expensive commercial implementation).  There was a NEFCLASS application   
   > also but it is quite old, crashes on my PC and I don't find any source   
   > code.   
   >   
   > Advice & tips much appreciated, thanks!   
   > Carolyn   
   >   
   Have a look at www.gepsoft.com   
   I have used APS3 extensively, do have a try   
      
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