Regression is pretty much least squares fitting.  You can get a macro for
least squares fitting from:
http://sourceforge.net/project/showfiles.php?group_id=87718&package_id=153585

Joe


Eike Rathke wrote:
Hi Álvaro,

On Mon, Jul 04, 2005 at 14:49:30 -0300, Álvaro Macedo da Silva wrote:

  
I will answer to your particular address only this last time.
    

Well, you answered to the mailing list instead because your mailer
followed the Reply-To I set accordingly.. ;-)

  
I used the
address I got from openoffice page. How do I subscribe to list?
    

Isn't that mentioned there? Taking a look at
http://support.openoffice.org/index.html now.. hmm.. strange, I don't
even see a list address that you could use without being subscribed..

On another page http://www.openoffice.org/mail_list.html from where you
probably came, instructions are given in the introduction.

Anyway, if you want to subscribe to this list simply
mailto:[EMAIL PROTECTED]
and you'll receive a confirmation mail.


  
Just in adition to your comment about the regression curve, I know I can
choose from the curves you listed, but when I choose one I can't get its
parameters. In Excell, for instance, if I choose the linear regression,
Excell gives the equation y = ax + b, and also R2.
    

Ah, sorry, that was my misunderstanding. I thought you wanted to define
the formula for a regression curve, but it is vice versa, you want the
equation of the regression curve being displayed. No, that is not
possible at the current stage.

  Eike

  

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