Research Article
Statistical Analysis and Calculation Model of Flexibility Coefficient of Low- and Medium-Sized Arch Dam
Table 3
The coefficients of regression equation based on original data and extracted sample data.
| Variable | Group | Original coefficient | Coefficient of sample 1 | Coefficient of sample 2 | Coefficient of sample 3 |
| x
1 |
−0.0831
|
−0.0887
|
−0.0976
|
−0.1084
| x
2 |
0.0287
|
0.0352
|
0.0212
|
0.0271
| x
3 |
−0.1681
|
−0.1656
|
−0.1690
|
−0.1518
| x
4 |
0.2603
|
0.2560
|
0.2503
|
0.2426
| x
5 |
−0.7530
|
−0.7343
|
−0.7346
|
−0.7157
| x
6 |
−0.5071
|
−0.5159
|
−0.5185
|
−0.4716
| x
7 |
0.3780
|
0.3668
|
0.3704
|
0.3498
| x
8 |
0.4155
|
0.4030
|
0.4067
|
0.3851
| x
9 |
−0.1859
|
−0.2082
|
−0.1933
|
−0.1900
| x
10 |
0.2196
|
0.2250
|
0.2043
|
0.2144
| x
11 |
0.2799
|
0.2771
|
0.2730
|
0.2672
| x
12 |
0.1776
|
0.1726
|
0.1684
|
0.1730
|
|
|