Python: Least squares with error on xdata

Question

I included the error on the ydata by using weights for my residuals. How can I implement an error on xdata? I hope I don't have to switch fitting routines, because I now use the lmfit package which is brilliant.

http://cars9.uchicago.edu/software/python/lmfit/

Answer 1

听起来像正交距离回归： http : //docs.scipy.org/doc/scipy/reference/odr.html