求教高手怎样从两个spss的数据文件中选出id相同的数据，合并成一个文件。谢谢。排序后用merge file操作，怎么原数据没有变化？output中提示这些 Renaming has created two variables named d3
Renaming has created two variables named d2
Renaming has created two variables named d1
Renaming has created two variables named d2p{color:0;font-family:Monospaced;;font-style:normal;font-weight:normal;text-decoration:none}
>Error # 5223 in column 3.  Text: /
>Duplicate variable names from RENAME.
>This command not executed.p{color:0;font-family:Monospaced;;font-style:normal;font-weight:normal;text-decoration:none}
>Error # 5241 in column 219.  Text: d114
>Undefined variable name.  Check spelling, verify the existence of this
>variable.  Has it been dropped or renamed in this command?p{color:0;font-family:Monospaced;;font-style:normal;font-weight:normal;text-decoration:none}
>Error # 5241 in column 115.  Text: d195
>Undefined variable name.  Check spelling, verify the existence of this
>variable.  Has it been dropped or renamed in this command?p{color:0;font-family:Monospaced;;font-style:normal;font-weight:normal;text-decoration:none}
以上是我复制的output的一部分，省略了其他类似的。哪位能帮帮忙啊？不胜感激。