Re: open source software for CART and Principal Component Analysis

Yes, sorry, i made a great mistake not using the right terms. Now, if exist 
anyone who understand what is my real problem can help me? I need a software 
I can use legally in my university, and i heve no money to spend. Someone 
knows a software solution more poerful of GNU Octave, using CART and PCA? 
Thanks!


"Matthias Kirschner" <mk@xxxxxxx> ha scritto nel messaggio 
news:mailman.7578.1103569209.27204.gnu-misc-discuss@xxxxxxxxxx
>* Leo <demianheart@xxxxxxxxxxx> [2004-12-20 17:42:55 +0000]:
>
>> I need open source software, or however a free software (i would download
>> and use it without pay!), for manage data with CART or Principal 
>> Component
>> Analysis. Tipically Matlab is the best software solution, but it isn't 
>> free!
>> GNU Octave is free but not more powerful! Then, please, could you help 
>> me?
>
> Please read [1]:
> "Free software" is a matter of liberty, not price. To understand the
> concept, you should think of "free" as in "free speech", not as in
> "free beer".
>
> Free software is a matter of the users' freedom to run, copy,
> distribute, study, change and improve the software. More precisely, it
> refers to four kinds of freedom, for the users of the software:
>
>    * The freedom to run the program, for any purpose (freedom 0).
>    * The freedom to study how the program works, and adapt it to
>      your needs (freedom 1). Access to the source code is a
>      precondition for this.
>    * The freedom to redistribute copies so you can help your
>      neighbor (freedom 2).
>    * The freedom to improve the program, and release your
>      improvements to the public, so that the whole
>      community benefits (freedom 3). Access to the source
>      code is a precondition for this.
>
> Best wishes,
> Matze
>
> [1] http://www.fsf.org/philosophy/free-sw.html
>
>