gnuplot - linear fit with x-errors -


apologies if simple question, have searched everywhere , can't find solution. have data file 3 columns - x:y:xerrors. want fit function f(x) data, entering

f(x)=a*x+b fit f(x) 'data' using 1:2:3 via a,b

but fit assuming entries in column 3 y-errors, when x-errors?

change: fit f(x) 'data' using 1:2:3 via a,b

to: fit f(x) 'data' using 1:2:3 xerrorbars via a,b

this treats 3rd column uncertainty in x , computes appropriate weight wssr.


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