attr | prod1 | prod2 | prod3 | prod4 | prod5 |
attr1 | 6 | 6 | 5 | 6 | 5 |
attr2 | 7 | 4 | 5 | 7 | 6 |
attr3 | 5 | 4 | 5 | 5 | 6 |
attr4 | 4 | 5 | 6 | 5 | 5 |
attr5 | 6 | 5 | 7 | 6 | 6 |
attr6 | 5 | 5 | 7 | 6 | 6 |
attr7 | 4 | 6 | 6 | 5 | 6 |
attr8 | 7 | 7 | 6 | 6 | 6 |
attr9 | 6 | 7 | 6 | 6 | 7 |
attr10 | 6 | 7 | 5 | 6 | 6 |
attr11 | 6 | 6 | 5 | 6 | 5 |
attr12 | 4 | 6 | 4 | 6 | 6 |
attr13 | 5 | 5 | 4 | 5 | 4 |
attr14 | 5 | 6 | 5 | 6 | 5 |
attr15 | 5 | 6 | 5 | 5 | 6 |
对于上面的数据怎么用SAS编程,需要做的分析是preference mapping。prod是指product,attr是指attribute。每个数值是相应的每种产品在每个Attribute上的得分。请教各位高手!非常感谢啊!