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Re: st: Re: saving memory local vs usual variable


From   "Ashim Kapoor" <ashimkapoor@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re: saving memory local vs usual variable
Date   Fri, 3 Oct 2008 22:26:46 +0530

Ahh I see what you are saying. For multiple variables it won't work. I
usually use it to find the max of ONE variable. I guess that confused
me.

Thank you,
Ashim.

On Fri, Oct 3, 2008 at 10:21 PM, Eva Poen <eva.poen@gmail.com> wrote:
> 2008/10/3 Ashim Kapoor <ashimkapoor@gmail.com>:
>>
>> And I am still puzzled as to why someone would not allow us to set
>> local  j=max(list)
>> cos that seems intuitive.
>
> If the list includes variable names, how is Stata supposed to know
> which observation's maximum you mean? -egen- is meant to work with
> variables. -egen- functions are not available outside -egen.
>
> On the other hand, there are Stata functions (-help functions-) which
> will work in general expressions. Therefore,
>
> local j = max(4, 92, -35, 399, 0)
>
> will correctly store 399 in local macro j.
>
> Eva
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