回归分析与数据点移动实验

GeoGebra 命令及参数

1. MeanX(dataList) → xbar
2. MeanY(dataList) → ybar
3. SampleSDY(dataList) → s_y
4. SampleSDX(dataList) → s_x
5. PMCC(dataList) → r
6. ResidualPlot(dataList, f) → residualPoints
7. Sequence(y(Element[residualPoints, k]), k, 1, 12) → residuals
8. Element(x(dataList), A1) → B1
9. Element(y(dataList), A1) → C1
10. Element(x(dataList), A2) → B2
11. Element(y(dataList), A2) → C2
12. Element(x(dataList), A3) → B3
13. Element(y(dataList), A3) → C3
14. Element(x(dataList), A4) → B4
15. Element(y(dataList), A4) → C4
16. Element(x(dataList), A5) → B5
17. Element(y(dataList), A5) → C5
18. Element(x(dataList), A6) → B6
19. Element(y(dataList), A6) → C6
20. Element(x(dataList), A7) → B7
21. Element(y(dataList), A7) → C7
22. Element(x(dataList), A8) → B8
23. Element(y(dataList), A8) → C8
24. Element(x(dataList), A9) → B9
25. Element(y(dataList), A9) → C9
26. Element(x(dataList), A10) → B10
27. Element(y(dataList), A10) → C10
28. Element(x(dataList), A11) → B11
29. Element(y(dataList), A11) → C11
30. Element(x(dataList), A12) → B12
31. Element(y(dataList), A12) → C12
32. Sequence(Segment[Element[dataList, k], (x(Element[dataList, k]), f(x(Element[dataList, k])))], k, 1, 12) → residualSegments
33. Sequence(y(Element[dataList, k]) - g(x(Element[dataList, k])), k, 1, 12) → residualsOfGuess
34. Sum(residualsOfGuess) → sumOfGuessResiduals
35. Sequence(Element[residualsOfGuess, k]^(2), k, 1, 12) → squaresOfGuessResiduals
36. Sum(squaresOfGuessResiduals) → sumOfGuessSquaredResiduals
37. LaTeX(r, true, true) → text1
38. Sequence(Element[residuals, k]^(2), k, 1, 12) → squaresOfResiduals
39. Sum(squaresOfResiduals) → sumOfSquaredResiduals
40. Sum(residuals) → sumOfResiduals
41. LaTeX(sumOfGuessSquaredResiduals, true, true) → text2
42. LaTeX(sumOfSquaredResiduals, true, true) → text3