I have dataset containing var1 and var2.
I want to generate a new variable(var3), such that it matches the column before a specific column (var2, in the following case)，where var3=var1
| var1 | var2 | var3 |
| 123 | AB | 123 |
| 124 | BB | 124 |
How to generate the column before a column
Sorry if this has been asked before
I have dataset containing var1 and var2.
I want to generate a new variable(var3), such that it matches the column before a specific column (var2, in the following case)，where var3=var1
Thanks in advance
I have dataset containing var1 and var2.
I want to generate a new variable(var3), such that it matches the column before a specific column (var2, in the following case)，where var3=var1
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