ziyenano 发表于 2012-10-31 20:27 
数据时从外部导入的吗?
数据是从外部导入的。当时使用的是另外一个电脑上面从外部导入的,当时没问题。然后我就是使用导入完毕的SAS数据集,现在连drop什么都不能用。SAS报错:
WARNING: Some character data was lost during transcoding in the dataset AA.
Either the data contains characters that are not representable in the new encoding or
truncation occurred during transcoding.