P&K 3950

Function and Significance test

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Regression parameter form

With selection of the function f(x) or the button "Auto f(x)" a significance checking between the polynom formula of the first (linear regression) and the second order (quadratic regression) is performed and the quadratic formula is selected, if it is significantly (with a confidence of 95 %) better than the linear formula.

Settings and data fields

Inquiry block

Additional setting possibilities


4.1 Function and significance test
4.2 Confidence and tolerance interval
4.3 Value inquiry
4.4 Additional data regression curve