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Lineare Regression

Simple linear regression can be used to set up univariate models. The following plots shows various aspects of the fit of a parabolic curve to the data. The basic plot shows the data and the fitted curve:

 

The distribution of the residuals gives you hints on fulfilled prerequites of the linear regression:

 

Finally, you may use the fitted curve for estimating y-values at a given x-value. You may set the level of significance for the calculated confidence interval: