Table 7 Standardized regression coefficients for different numbers of FTCs.

From: Macro–micro correlation analysis on the loess from Ili River Valley subjected to freeze–thaw cycles

Numbers

Independent variables

Dependent variables

    

Cohesive force

Internal friction angle

F1-1-1

F1-3-1

F1-3-2

\({{X}}_{1}\)

n = 0

1.493

0.729

−1.940

0.290

−0.150

0.926

n = 5

1.225

−0.427

−0.93

0.9

1.13

−1.373

n = 10

−1.186

1.748

−0.28

0.65

−1.17

0.866

n = 20

−0.651

0.348

−1.23

0.66

−1.46

−0.543

n = 30

−0.584

−1.025

0.77

0.93

0.38

−1.172

n = 45

0.019

−0.927

−0.02

0.36

1.26

0.648

n = 60

−0.316

−0.447

3.62

−3.79

0.01

0.648