但是,从理论上讲,聚类的前提是类之间的距离不同,但因子分析之后,各个因子是独立变量,距离相同,又如何聚类呢?!
如下图:
近似矩阵
案例
矩阵文件输入
REGR factor score
1 for analysis 1
REGR factor score
2 for analysis 1
REGR factor score
3 for analysis 1
REGR factor score
4 for analysis 1
REGR factor score
5 for analysis 1
REGR factor score
6 for analysis 1
REGR factor score
1 for analysis 1
.000
58.000
58.000
58.000
58.000
58.000
REGR factor score
2 for analysis 1
58.000
.000
58.000
58.000
58.000
58.000
REGR factor score
3 for analysis 1
58.000
58.000
.000
58.000
58.000
58.000
REGR factor score
4 for analysis 1
58.000
58.000
58.000
.000
58.000
58.000
REGR factor score
5 for analysis 1
58.000
58.000
58.000
58.000
.000
58.000
REGR factor score
6 for analysis 1
58.000
58.000
58.000
58.000
58.000
.000
然后,聚类如下:
聚类表
群集组合 首次出现阶群集
阶 群集 1 群集 2 系数 群集 1 群集 2 下一阶
1 2 4 58.000 0 0 3
2 1 3 58.000 0 0 3
3 1 2 58.000 2 1 4
4 1 6 58.000 3 0 5
5 1 5 58.000 4 0 0