Does there exist a method in Mathematica for fitting some function f(x; a, b)=y (with parameters a, b) to data of the form {x, y} when both x and y have different uncertainties? It seems like it would be a common enough problem, but I cant seem to find an easy way in Mathematica for doing this. Thanks!

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    $\begingroup$ Possible duplicate. A built in function is not available at this time. $\endgroup$ – bobthechemist Apr 10 '16 at 0:53
  • $\begingroup$ Is the model linear or nonlinear? The latter case is way more difficult. $\endgroup$ – J. M.'s ennui Apr 10 '16 at 2:02