Ｒ语言 判别分析中的二次判别没有线性判别的系数

Question

#二次判别
library(mvstats)
(qb=qda(G ~ X1 + X2 + X3 + X4))
Call:
qda(G ~ X1 + X2 + X3 + X4)

Prior probabilities of groups:
1 2
0.5 0.5

Group means:
X1 X2 X3 X4
1 51.24344 2.579737 4.065525 9.3479625
2 73.63494 1.767450 -4.887562 0.3462875

Answer 1

http://www.cnblogs.com/wentingtu/archive/2012/03/03/2377971.html