From: Application of variable selection and dimension reduction on predictors of MSE’s development
Variables selected by stepwise selection | Variables selected using lasso method | Reduced model | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Coefficients | Estimate | Std. error | t value | \(\hbox {Pr}(>|\hbox {t}|)\) | Significance | Coefficients | Estimate | Std. error | t value | \(\hbox {Pr}(>|\hbox {t}|)\) | Significance | coefficients | Estimate | Std. error | t value | \(\hbox {Pr}(>|\hbox {t}|)\) | Significance |
(Intercept) | − 0.735 | 2.857 | − 0.257 | 0.797 | (Intercept) | 0.925 | 1.316 | 0.703 | 0.482 | (Intercept) | − 0.735 | 2.857 | − 0.257 | 0.797 | |||
Grouping | − 6.134 | 2.862 | − 2.143 | 0.032 | * | X15.29 | 0.091 | 0.283 | 0.322 | 0.747 | h10 | 5.957 | 5.093 | 1.170 | 0.242 | ||
ed1 | − 3.043 | 2.026 | − 1.502 | 0.133 | IF10 | − 0.832 | 0.406 | − 2.051 | 0.040 | * | Grouping | − 6.134 | 2.862 | − 2.143 | 0.032 | * | |
IF8 | 3.209 | 1.421 | 2.258 | 0.024 | * | ed2 | 0.803 | 0.450 | 1.784 | 0.074 | . | ed1 | − 3.043 | 2.026 | − 1.502 | 0.133 | |
IF10 | − 4.749 | 1.782 | − 2.665 | 0.008 | ** | Category | − 0.920 | 0.241 | − 3.819 | 0.000 | *** | IF8 | 3.209 | 1.421 | 2.258 | 0.024 | * |
Category | − 0.857 | 0.541 | − 1.584 | 0.113 | CurrK | 0.000 | 0.000 | 0.905 | 0.365 | IF10 | − 4.749 | 1.782 | − 2.665 | 0.008 | ** | ||
CurrK | 0.000 | 0.000 | 3.059 | 0.002 | ** | h10 | 0.157 | 0.115 | 1.360 | 0.174 | Category | − 0.857 | 0.541 | − 1.584 | 0.113 | ||
h2 | 1.216 | 0.782 | 1.554 | 0.120 | IF14 | − 0.370 | 0.230 | − 1.608 | 0.108 | CurrK | 0.000 | 0.000 | 3.059 | 0.002 | ** | ||
StartK | 0.000 | 0.000 | − 3.039 | 0.002 | ** | MSEs | 5.640 | 1.421 | 3.968 | 0.000 | *** | h2 | 1.216 | 0.782 | 1.554 | 0.120 | |
h12 | 5.957 | 5.093 | 1.170 | 0.242 | In6 | − 0.491 | 0.598 | − 0.820 | 0.412 | StartK | 0.000 | 0.000 | − 3.039 | 0.002 | ** | ||
c11 | − 5.971 | 5.108 | − 1.169 | 0.242 | s4 | − 1.382 | 0.675 | − 2.046 | 0.041 | * | c11 | − 5.971 | 5.108 | − 1.169 | 0.242 | ||
IF9 | 2.941 | 1.138 | 2.585 | 0.010 | ** | f5 | 0.995 | 0.582 | 1.709 | 0.088 | . | IF9 | 2.941 | 1.138 | 2.585 | 0.010 | ** |
IF5 | − 3.468 | 1.262 | − 2.747 | 0.006 | ** | IF5 | − 3.468 | 1.262 | − 2.747 | 0.006 | ** | ||||||
s1 | 4.760 | 1.959 | 2.429 | 0.015 | * | s1 | 4.760 | 1.959 | 2.429 | 0.015 | * | ||||||
MSEs | 34.715 | 11.515 | 3.015 | 0.003 | ** | MSEs | 34.715 | 11.515 | 3.015 | 0.003 | ** | ||||||
s2 | − 3.446 | 1.759 | − 1.959 | 0.050 | . | s2 | − 3.446 | 1.759 | − 1.959 | 0.050 | . | ||||||
In6 | 1.815 | 1.213 | 1.496 | 0.135 | In6 | 1.815 | 1.213 | 1.496 | 0.135 | ||||||||
In4 | − 2.472 | 1.147 | − 2.156 | 0.031 | * | In4 | − 2.472 | 1.147 | − 2.156 | 0.031 | * | ||||||
f5 | 1.217 | 0.731 | 1.665 | 0.096 | . | f5 | 1.217 | 0.731 | 1.665 | 0.096 | . | ||||||
h3 | − 3.306 | 2.098 | − 1.576 | 0.115 | h3 | − 3.306 | 2.098 | − 1.576 | 0.115 | ||||||||
h4 | − 1.954 | 1.379 | − 1.417 | 0.157 | h4 | − 1.954 | 1.379 | − 1.417 | 0.157 | ||||||||
AIC | 84.432 | AIC | 106.980 | AIC | 84.432 | ||||||||||||
Significance codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 | Significance codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 | Significance codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 |