zhiaxbh 发表于 2012-11-11 21:14
决策树节点的结果主要看两点,一个是每一个叶子上所体现的概率,另一个是给出的变量重要性排名,前者是决策 ...
能不能具体分析一下呢
F 299746 <= VALUE
AND DEBTINC < 45.184804524
THEN
NODE : 5
N : 26
1 : 76.9%
0 : 23.1%
IF DELINQ IS ONE OF: 1 2 3 4 5 6 7 8 10 11 12 13 15
AND 45.184804524 <= DEBTINC
THEN
NODE : 7
N : 326
1 : 82.8%
0 : 17.2%
IF DELINQ IS ONE OF: 0 1 2 3 4 5
AND VALUE < 299746
AND DEBTINC < 45.184804524
THEN
NODE : 8
N : 3061
1 : 6.2%
0 : 93.8%
IF DELINQ IS ONE OF: 6 7 8 10 11 12 13 15
AND VALUE < 299746
AND DEBTINC < 45.184804524
THEN
NODE : 9
N : 9
1 : 100.0%
0 : 0.0%
IF CLAGE < 178.2
AND DELINQ EQUALS 0
AND 45.184804524 <= DEBTINC
THEN
NODE : 10
N : 375
1 : 64.8%
0 : 35.2%
IF 178.2 <= CLAGE
AND DELINQ EQUALS 0
AND 45.184804524 <= DEBTINC
THEN
NODE : 11
N : 196
1 : 33.2%
0 : 66.8%