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why does fitlm not provide prediction intervals?

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Isabel Chen
Isabel Chen 2015-1-31
回答： Hannah Chan 2020-8-3
fitlm provides 95% confidence intervals but not prediction intervals. Why? Is there an easy way to get prediction intervals?

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Hannah Chan
Hannah Chan 2020-8-3
https://www.mathworks.com/help/stats/linearmodel.predict.html
Using [ypred,yci] = predict(mdl,Xnew) gives the confidence interval.
If you use [ypred,yci] = predict(mdl,Xnew,Name,Value)
With Name = 'Prediction', and value = 'observation' it should give the prediction interval

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