Fitting data with uncertainties

6 次查看（过去 30 天）
Mohammed Alaidaroos
编辑： Walter Roberson 2020-2-2
I have experimntal measurements data points that have some uncertinties assosiated with them and I want to fit these data points to a curve where the values of the uncertinties are taken into considration.
My goal is to have an error value for when I substitute in the function generated from the fit. I want this error to take in consideration the fitting error and the uncertinity from the original data points as well in order to do a proper error propegation.
I need help on this regard for when I fit the data to gaussian desterbuation and totally different data I am fitting to a straight line.
for the gaussian disterbution I'm currently using:
fit(x,y,'gauss1')
and for the staight line I'm using:
robustfit(x,y)
BTW, I am not that good in stattistcs, so please go easy on me.

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