积极 AI Logo 积极 AI

相关性与回归分析

相关性与回归分析
几何画板及绘图内容加载中，请稍等……
2015-08-04 04:26
解析几何概率统计函数图像
本范例通过散点图探索相关性、回归线及残差。演示了如何使用GeoGebra命令如Polygon、KeepIf、FitLineY等进行数据拟合与分析。适合高中及以上学生学习统计学与数据分析。

GeoGebra 命令及参数

  1. Polygon(A_2, B_2, C_2, D_2) → poly1, a_2, b_2, c_2, d_2
  2. KeepIf(IsInRegion[AA, poly1], AA, {A, A_1, B, B_1, C, C_1, D, D_1, E, E_1, E_2, F, F_1, F_2, G, G_1, H, H_1, I, I_1, J, J_1, K, K_1, L, L_1, M, M_1, N, N_1, O, O_1, P, P_1, Q, Q_1, R, R_1, S, S_1, T, T_1, U, U_1, V, V_1, W, W_1, Z, Z_1}) → list1
  3. FitLineY(list1) → f
  4. Line((MeanX[list1], 0), (MeanX[list1], 1)) → a
  5. PMCC(list1) → e
  6. Segment(W_1, (x(W_1), f(x(W_1)))) → g
  7. Segment(F_2, (x(F_2), f(x(F_2)))) → h
  8. Segment(V_1, (x(V_1), f(x(V_1)))) → i
  9. Segment(E_2, (x(E_2), f(x(E_2)))) → j
  10. Segment(Z_1, (x(Z_1), f(x(Z_1)))) → k
  11. Segment(U_1, (x(U_1), f(x(U_1)))) → l
  12. Segment(T_1, (x(T_1), f(x(T_1)))) → m
  13. Segment(S_1, (x(S_1), f(x(S_1)))) → n
  14. Segment(R_1, (x(R_1), f(x(R_1)))) → p
  15. Segment(Q_1, (x(Q_1), f(x(Q_1)))) → q
  16. Segment(P_1, (x(P_1), f(x(P_1)))) → r
  17. Segment(O_1, (x(O_1), f(x(O_1)))) → s
  18. Segment(N_1, (x(N_1), f(x(N_1)))) → t
  19. Segment(M_1, (x(M_1), f(x(M_1)))) → a_1
  20. Segment(L_1, (x(L_1), f(x(L_1)))) → b_1
  21. Segment(K_1, (x(K_1), f(x(K_1)))) → c_1
  22. Segment(J_1, (x(J_1), f(x(J_1)))) → d_1
  23. Segment(I_1, (x(I_1), f(x(I_1)))) → e_1
  24. Segment(H_1, (x(H_1), f(x(H_1)))) → f_1
  25. Segment(G_1, (x(G_1), f(x(G_1)))) → g_1
  26. Segment(F_1, (x(F_1), f(x(F_1)))) → h_1
  27. Segment(E_1, (x(E_1), f(x(E_1)))) → i_1
  28. Segment(D_1, (x(D_1), f(x(D_1)))) → j_1
  29. Segment(C_1, (x(C_1), f(x(C_1)))) → k_1
  30. Segment(B_1, (x(B_1), f(x(B_1)))) → l_1
  31. Segment(A_1, (x(A_1), f(x(A_1)))) → m_1
  32. Segment(Z, (x(Z), f(x(Z)))) → n_1
  33. Segment(W, (x(W), f(x(W)))) → p_1
  34. Segment(V, (x(V), f(x(V)))) → q_1
  35. Segment(U, (x(U), f(x(U)))) → r_1
  36. Segment(T, (x(T), f(x(T)))) → s_1
  37. Segment(S, (x(S), f(x(S)))) → t_1
  38. Segment(R, (x(R), f(x(R)))) → e_2
  39. Segment(Q, (x(Q), f(x(Q)))) → f_2
  40. Segment(P, (x(P), f(x(P)))) → g_2
  41. Segment(O, (x(O), f(x(O)))) → h_2
  42. Segment(N, (x(N), f(x(N)))) → i_2
  43. Segment(M, (x(M), f(x(M)))) → j_2
  44. Segment(L, (x(L), f(x(L)))) → k_2
  45. Segment(K, (x(K), f(x(K)))) → l_2
  46. Segment(J, (x(J), f(x(J)))) → m_2
  47. Segment(I, (x(I), f(x(I)))) → n_2
  48. Segment(H, (x(H), f(x(H)))) → p_2
  49. Segment(G, (x(G), f(x(G)))) → q_2
  50. Segment(F, (x(F), f(x(F)))) → r_2
  51. Segment(E, (x(E), f(x(E)))) → s_2
  52. Segment(D, (x(D), f(x(D)))) → t_2
  53. Segment(C, (x(C), f(x(C)))) → a_3
  54. Segment(B, (x(B), f(x(B)))) → b_3
  55. Segment(A, (x(A), f(x(A)))) → c_3
  56. Point(d_2) → I_2
  57. Point(b_2) → J_2
  58. Segment(I_2, J_2) → d_3
  59. FitLineY({I_2, J_2}) → e_3