Using FitPoly for linear regressjon (n=1) draws incorrect graph

rn shared this problem 2 years ago

Solved

Using graphical regression tool or FitPoly(list, 1) for linear regression finds correct function/equation but draws an incorrect graph. FitLine draws the correct graph. (Using norwegian version where FitPoly and FitLine is called RegPoly and RegLin.)

Version GeoGebra Classic 5.0.634.0-d (Java 1.8.0_161_32bit) 26 March 2021.

Attached screenshot and ggb file.

Files: fitpoly_bug.ggb fitpoly_bug.png

The same problem

Comments (3)

Michael Borcherds ● 2 years ago

Thanks, please try https://test.geogebra.org/~...

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rn ● 2 years ago

Thanks for fixing this problem. That version seems to be working on the problem reports I have seen. When can we expect this fix to be included in the official release version?

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