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发帖数: 5352 | 1 ☆─────────────────────────────────────☆
fairy2006 (fairy2006) 于 (Mon Jan 29 16:15:49 2007) 提到:
希望各位SAS 的牛人，帮忙解决下列SAS的问题。万分感谢！！！
1.
a) There is a large file with an ID-Key field and a TYPE field. Both fields
are characters. Also, there are extra fields in addition to those two.
The extra fields are all numeric. The content of the TYPE field is such
that each record contains the name of one and only one of those extra
numeric fields.
You are asked to do the following:
For each record, on |
|
