有个别人的分析结果,请教各位大哥一下:
一组数据通过SPSS分析后,根据各标准变更贡献度,将主成份与标准化变量线性关系为
F1=0.688X1'+0.845X2'+0.609X3'+0.1651X4'-0.1321X5'+0.785X6'+0.706X7'-0.835X8'+0.748X9'+0.7X10'+0.682X11'+0.909X12'+0.594X13'+0.927X14'+0.584X15'+0.501X16',+0.76X17'+0.171X18' (1)
F2=0.703X1'+0.519X2'+0.762X3'-0.909X4'-0.932X5'+0.113X6'+0.396X7'+0.137X8'+0.648X9'+0.395X10'+0.689X11'+0.153X12'+0.783X13'+0.276X14'+0.801X15'+0.841X16'+0.631X17'+0.962X18' (2)
输入因变量、自变量,选择检验项目,得出线型回归模型为
Y=3555.083+1307.002F1+650.653F2 (3)
将(1、(2)代入(3)中,将原变量标准变更X1-X18X,得到因变量与原自变量的线性回归方程。
Y=-130101.747+359,128X1+142.494X2+277.263X3-70.909X4-0.0865X5+0.014X6+498.40X7-323.983X8+168.049X9+0.0018X10+4.538X11+0.071X12+0.0018X13+11.321X14+2.293X15+156.686X16+0.1072X17+197.93X18 (4)
(1)、(2)直接代入(3),不能得到(4)
那么(4)是怎么来的呢?