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.

VariableGroup
Original coefficientCoefficient of sample 1Coefficient of sample 2Coefficient 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