r | Embedding dimension (m) | Tree-ring data | SOI | |||||
Calam | Dalton | Freder | Hager | Sacndx | Spring | |||
0.5σ | 2 | −1.44(A) | 8.07(R) | −1.08(A) | 2.27(R) | −1.44(A) | 3.01(R) | 24.42(R) |
3 | −1.05(A) | 6.54(R) | −1.08(A) | 2.48(R) | −2.24(R) | 2.76(R) | 26.75(R) | |
4 | −1.8(A) | 5.21(R) | 0.37(A) | 0.67(A) | 1.76(A) | 1.61(A) | 28.97(R) | |
5 | −2.64(R) | 4.37(R) | 3.68(R) | −3.73(R) | 1.34(A) | 0.98(A) | 31.59(R) | |
1.0σ | 2 | 1.6(A) | 9.68(R) | 0.07(A) | 0.73(A) | −1.78(A) | 3.19(R) | 23.33(R) |
3 | 1.32(A) | 9.07(R) | 0.47(A) | 0.67(A) | −2.18(R) | 3.76(R) | 25.09(R) | |
4 | 1.03(A) | 8.38(R) | 1.67(A) | 0.37(A) | −0.13(A) | 3.42(R) | 26.7(R) | |
5 | 0.92(A) | 8.61(R) | 2.41(R) | 0.49(A) | 0.15(A) | 3.99(R) | 28.39(R) | |
1.5σ | 2 | 1.7(A) | 8.87(R) | 0.74(A) | 1.78(A) | −3.59(R) | 3.5(R) | 21.84(R) |
3 | 1.79(A) | 8.7(R) | 1.4(A) | 1.03(A) | −3.12(R) | 4.55(R) | 22.86(R) | |
4 | 1.55(A) | 8.46(R) | 2.2(R) | 0.38(A) | −2.51(R) | 4.56(R) | 23.33(R) | |
5 | 1.91(A) | 8.56(R) | 2.64(R) | 0.51(A) | −2.37(R) | 4.59(R) | 23.61(R) | |
2.0σ | 2 | 2.86(R) | 9.86(R) | 0.32(A) | 0.93(A) | −3.11(R) | 4.00(R) | 21.37(R) |
3 | 2.87(R) | 9.81(R) | 0.91(A) | 0.06(A) | −2.55(R) | 4.97(R) | 22.27(R) | |
4 | 2.53(R) | 9.54(R) | 1.92(A) | −0.58(A) | −2.21(R) | 4.78(R) | 22.1(R) | |
5 | 2.39(R) | 9.52(R) | 2.46(R) | −0.68(A) | −1.9(A) | 4.56(R) | 21.67(R) | |
Confidence interval: −1.96, +1.96 (α = 0.05); A: accepted; R: rejected. |