[Gnuplot-info] fit a data file

[laura <lau...@ho...>]

Hello,
I want to fit a curve to data using the least square method.
I have try to do the next but doesn't work:
fit 'datafile.dat', y=a*x+b, via a,b
My data see thas:
                          *
                       *
                    *
                 *
              *
           *


What can i do? Thank you very much.