life3652 发表于 2012-4-24 17:33 
我用的是SPSS,但是我在做多元回归,我选择的是强制进入,但是仍旧有一个因素进不去,所以我想知道这是为 ...
matrix inversion cannot be done in spss, so you cannot do it in spss,
if you want to use all factors, need to use other package such as matlab, but result will be inaccurate due to the unstable matrix inversion.