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A confidence interval is an interval that covers an unknown parameter with $100(1-\alpha)\%$ confidence. Confidence intervals are a frequentist concept. They are often confused with credible intervals which is the Bayesian analog.

4 votes
2 answers
2k views

Confidence limits for a nonlinear regression

I've fitted some weighted data to a nonlinear model (namely a Sèrsic light profile), using least squares. That is, I have fitted a weighted nonlinear least squares model of the form: $$I_r = I_0 \e …
Lucidnonsense's user avatar
1 vote
0 answers
955 views

Binomial proportion confidence interval

I have a sample and I've classified each member into 3 groups A,B,C. To get uncertainties on the percentages of these groups, I've been told I should use the wilson score interval. As someone who is …
Lucidnonsense's user avatar