Re: st: pooling again

[Andrew Reed <drew.reed1@gmail.com>]

I've solved my problem. It is merely

collapse (max) event2 if id!=(some id number), by (date)

event2 is a copy of my original event dummy variable that i wanted to create to be safe. When I run this code is leaves me with my date variable and a collapsed event2 variable for the specified id number. 

Is there a way to prevent everything from going away, that is all my mother variables so I can continue running this code instead of running it, saving the output, pasting it back into my data set, and repeating the process? A smoother process would be nice but anything in the name of econometrics!

Drew

Den 17/08/2013 kl. 15.48 skrev Nick Cox:

> There is a -summarize- command (which can be abbreviated -sum-), a
> -sum()- function and an -egen- function -sum()-, so it is not clear
> which sandpit you're playing in.
> 
> http://www.stata.com/support/faqs/data-management/creating-variables-recording-properties/
> 
> is an attempt at a systematic survey. The easiest trick, which has a
> "Yes, of course!" flavour if you miss it, is just
> 
> sum of others = sum of all - this value
> 
> and under -by:- that can still be about two commands.
> 
> You don't seem to be doing quite that, as there is talk of several
> variables too.
> 
> If you don't get a better answer, you may need to show data and/or
> code. Just words can be pretty difficult for others to grasp.
> 
> Nick
> njcoxstata@gmail.com
> 
> 
> On 17 August 2013 14:22, Andrew Reed <drew.reed1@gmail.com> wrote:
>> I have 79 unique entity identifiers that correspond to different banks and countries. I currently have an event dummy variable coded for each entity and would like to create a modified form of this. The form I would like is the sum all of the events for all of the entities outside of the one entity the variable is being formed for.
>> 
>> An example. In creating this new variable for Sweden, I would include all of the events for countries that are not Sweden. Then going to the next entity, let's say SEB bank, I would include all of the events that are not SEB bank, thus Swedish events would be included in this variable for SEB Bank but not for Sweden itself. I hope that makes sense. But it would go on and on.
>> 
>> I'm playing around with the sum command as well as playing with the numerical identifiers but if someone has a quick and obvious answer I would greatly appreciate this.
>> 
>> Sincerely,
>> 
>> Andrew Wilson Reed
>> 
>> 
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