下面是线性回归出来的四个图。。。看不懂啊。。。请高手帮个忙,是写在论文里的,所以请稍微详细点说说吧~主要是三个变量和Y的拟合度怎么样,如何看的~~谢谢了~~~
Variables Entered/Removed(b)
Model Variables Entered Variables Removed Method
1 X3, X2, X1(a) . Enter
a All requested variables entered.
b Dependent Variable: Y
Model Summary
Model R R Square Adjusted R Square Std. Error of the Estimate
1 .823(a) .678 .664 4.60955
a Predictors: (Constant), X3, X2, X1
ANOVA(b)
Model Sum of Squares df Mean Square F Sig.
1 Regression 3170.063 3 1056.688 49.731 .000(a)
Residual 1508.604 71 21.248
Total 4678.667 74
a Predictors: (Constant), X3, X2, X1
b Dependent Variable: Y
Coefficients(a)
Model Unstandardized Coefficients Standardized Coefficients t Sig.
B Std. Error Beta
1 (Constant) -4.517 1.517 -2.978 .004
X1 -2.79E-005 .000 -.144 -.174 .863
X2 .076 .008 .693 9.355 .000
X3 7.40E-005 .000 .398 .483 .631
a Dependent Variable: Y
图片