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Re: st: loop to create varialbes
From
Nick Cox <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: loop to create varialbes
Date
Thu, 6 Mar 2014 18:57:46 +0000
To be pedantic: Carlos means that a variable _name_ cannot contain periods.
Nick
[email protected]
On 6 March 2014 18:28, Carlos Avellaneda Suárez
> The problem is that a variable in Stata cannot contain periods. Try this:
>
> foreach x of varlist _all {
> gen d_`x'=d.`x'
> }
Snapp, Kevin Michael <[email protected]>:
> I need a loop that will go through my two year panel set and create the first difference for me for each variable. I don't have a clue about these for each loops.
>>
>> Here is what I tried.
>>
>> foreach x of varlist _all{
>> generate d.`x' = 'x' - L1.`x'
>>
>> the error msg I get is:
>>
>> d.state invalid name
>> r(198);
>>
>> I would like the new variables to have the same name as the old with a d in front to keep it easy to read.
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