On Tuesday, January 8, 2013 10:07:08 AM UTC+1, Terry Reedy wrote: > With the line constrained to go through 0,0, a line eyeballed with a > clear ruler could easily be better than either regression line, as a > human will tend to minimize the deviations *perpendicular to the line*, > which is the proper thing to do (assuming both variables are measured in > the same units).
In that case use an appropriate algorithm to perform the fit. ODR comes to mind. http://docs.scipy.org/doc/scipy/reference/odr.html Maarten -- http://mail.python.org/mailman/listinfo/python-list
