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) | 0.315 | 0.187 | 1.683 | 0.094 | . | (Intercept) | 0.231 | 0.163 | 1.421 | 0.157 | (Intercept) | 0.376 | 0.198 | 1.898 | 0.060 | . | |
c3 | − 0.298 | 0.150 | − 1.985 | 0.049 | * | h2 | − 0.100 | 0.045 | − 2.247 | 0.026 | * | c3 | − 0.280 | 0.152 | − 1.843 | 0.067 | . |
c6 | 0.183 | 0.078 | 2.347 | 0.020 | * | h4 | 0.292 | 0.083 | 3.522 | 0.001 | *** | h2 | − 0.050 | 0.050 | − 0.999 | 0.319 | |
h3 | − 0.311 | 0.080 | − 3.900 | 0.000 | *** | h14 | 0.136 | 0.085 | 1.593 | 0.113 | X30.49 | 1.951 | 0.042 | 46.677 | 0.000 | *** | |
h4 | 0.398 | 0.087 | 4.593 | 0.000 | *** | f2 | − 0.190 | 0.094 | − 2.023 | 0.045 | * | emp_Female | 2.126 | 0.060 | 35.406 | 0.000 | *** |
f2 | − 0.189 | 0.089 | − 2.111 | 0.036 | * | IF3 | − 0.033 | 0.028 | − 1.183 | 0.239 | c6 | 0.190 | 0.078 | 2.425 | 0.016 | * | |
IF1 | − 0.035 | 0.022 | − 1.580 | 0.116 | IF6 | − 0.027 | 0.020 | − 1.378 | 0.170 | h3 | − 0.272 | 0.089 | − 3.046 | 0.003 | *** | ||
IF6 | − 0.034 | 0.019 | − 1.813 | 0.072 | . | IF8 | − 0.189 | 0.035 | − 5.458 | 0.000 | *** | h4 | 0.403 | 0.087 | 4.626 | 0.000 | *** |
IF8 | − 0.219 | 0.033 | − 6.583 | 0.000 | *** | Category | − 0.011 | 0.031 | − 0.349 | 0.727 | f2 | − 0.188 | 0.091 | − 2.073 | 0.040 | * | |
s3 | − 0.056 | 0.040 | − 1.403 | 0.162 | Grouping | 0.266 | 0.113 | 2.359 | 0.020 | * | IF1 | − 0.034 | 0.022 | − 1.555 | 0.122 | ||
s4 | 0.116 | 0.072 | 1.616 | 0.108 | Emp_0 | 0.003 | 0.006 | 0.562 | 0.575 | IF6 | − 0.033 | 0.019 | − 1.736 | 0.084 | . | ||
In1 | − 0.067 | 0.038 | − 1.778 | 0.077 | . | X15.29 | 0.964 | 0.025 | 38.848 | 0.000 | *** | IF8 | − 0.219 | 0.033 | − 6.550 | 0.000 | *** |
In2 | 0.128 | 0.071 | 1.806 | 0.073 | . | X30.49 | 0.982 | 0.011 | 87.476 | 0.000 | *** | s3 | − 0.056 | 0.040 | − 1.400 | 0.163 | |
In3 | − 0.126 | 0.075 | − 1.675 | 0.096 | . | X50.65 | 0.486 | 0.113 | 4.305 | 0.000 | *** | s4 | 0.120 | 0.072 | 1.669 | 0.097 | . |
In7 | 0.118 | 0.074 | 1.601 | 0.111 | X.65 | 0.313 | 0.201 | 1.555 | 0.122 | In1 | − 0.066 | 0.038 | − 1.728 | 0.086 | . | ||
In10 | − 0.100 | 0.073 | − 1.373 | 0.172 | ed0 | − 0.057 | 0.106 | − 0.539 | 0.591 | In2 | 0.120 | 0.072 | 1.672 | 0.097 | . | ||
Grouping | 0.384 | 0.090 | 4.276 | 0.000 | *** | ed2 | 0.027 | 0.026 | 1.047 | 0.297 | In3 | − 0.112 | 0.077 | − 1.442 | 0.151 | ||
X15.29 | 1.007 | 0.020 | 51.029 | 0.000 | *** | emp_Male | 0.950 | 0.047 | 20.421 | 0.000 | *** | In7 | 0.128 | 0.075 | 1.714 | 0.088 | *** |
X50.65 | 1.543 | 0.098 | 15.827 | 0.000 | *** | emp_Female | 1.071 | 0.048 | 22.330 | 0.000 | *** | In10 | − 0.110 | 0.074 | − 1.488 | 0.139 | |
X.65 | 0.428 | 0.190 | 2.252 | 0.026 | * | Grouping | 0.390 | 0.090 | 4.322 | 0.000 | *** | ||||||
ed0 | − 1.034 | 0.096 | − 10.763 | 0.000 | *** | X15.29 | 1.006 | 0.020 | 49.555 | 0.000 | *** | ||||||
ed1 | 1.076 | 0.010 | 103.817 | 0.000 | *** | X50.65 | − 0.590 | 0.105 | − 5.625 | 0.000 | *** | ||||||
ed3 | − 0.058 | 0.030 | − 1.917 | 0.057 | . | X.65 | 0.378 | 0.197 | 1.922 | 0.056 | . | ||||||
emp_Male | 1.953 | 0.041 | 47.527 | 0.000 | *** | ed0 | 0.920 | 0.066 | 13.968 | 0.000 | *** | ||||||
ed1 | − 1.051 | 0.046 | − 23.026 | 0.000 | *** | ||||||||||||
ed3 | − 0.053 | 0.032 | − 1.633 | 0.104 | |||||||||||||
AIC | − 280.540 | Optimal lambda | 0.052 | ||||||||||||||
Multiple R-squared | 0.995 | Multiple R-squared | 0.994 | Multiple R-squared | 0.995 | ||||||||||||
Adjusted R-squared | 0.994 | Adjusted R-squared | 0.993 | Adjusted R-squared | 0.994 | ||||||||||||
F-statistic | 1231.000 | F-statistic | 1415.000 | F-statistic | 1125.000 | ||||||||||||
P-value | \(<2.2{\rm E}{-}016\) | P-value | \(<2.2{\rm E}{-}016\) | P-value | \(<2.2{\rm E}{-}016\) | ||||||||||||
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 |