Table 5 Results of the paired t-test regarding the comparison of performances of the various prediction methods.
From: Ground settlement prediction for highway subgrades with sparse data using regression Kriging
Pairwise comparison | p-value | Significance (p < 0.05) | ||||||
|---|---|---|---|---|---|---|---|---|
S1 | S2 | S3 | S4 | S1 | S2 | S3 | S4 | |
RK method vs. Hyperbolic method | 0.031 | 0.032 | 0.047 | 0.018 | Yes | Yes | Yes | Yes |
RK method vs. Exponential curve method | 0.017 | 0.019 | 0.0003 | 0.001 | Yes | Yes | Yes | Yes |
RK method vs. Asaoka method | 0.016 | 0.028 | 0.0003 | 0.0003 | Yes | Yes | Yes | Yes |
RK method vs. GM(1,1) method | 0.014 | 0.015 | 0.0007 | 0.0008 | Yes | Yes | Yes | Yes |
RK method vs. BPNN | 0.0001 | 0.0001 | 0.0001 | 0.0001 | Yes | Yes | Yes | Yes |
