

   // Minimization with MINUIT/MIGRAD through RooMinimizer
   pdf->fitTo(data,Minimizer("minuit")) ;

   // Minimization with MINUIT2/MIGRAD through RooMinimizer
   pdf->fitTo(data,Minimizer("minuit2")) ;

   // Minimization with GSLMultiMin/conjugatefr through RooMinimizer
   pdf->fitTo(data,Minimizer("GSLMultiMin","conjugatefr")) ;
</pre>

Note that installation of GSL and the ROOT MathMore package is needed to access the GSL Minimizers and that the GSL
Minimizer do not implement error analysis.


<h4>N