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Re: st: loop to create varialbes
From
Carlos Avellaneda Suárez <[email protected]>
To
[email protected]
Subject
Re: st: loop to create varialbes
Date
Thu, 6 Mar 2014 14:24:39 -0500
You are right Nick. Thanks for the clarification!
2014-03-06 13:57 GMT-05:00 Nick Cox <[email protected]>:
> 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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