this is because the local macro is defined in the do-file and NOT in
the current Stata session. so when you try to access the local macro
from the Stata session, Stata doesn't have anything stored in `IC',
hence it evaluates to empty.
-rb
2005/11/11, Jian Zhang <[email protected]>:
> Hello,
>
> I have a question about the local macro. I could not figure out why and
> how to get around it. Hope that you can help me out.
>
> Here is the question. In my do file, I have two commands as follows:
>
> local IC="IC412 IC413"
> reg y `IC'
>
> The question is that when I run the two commands together
> it works. But I found that if I then re-run the second command without
> running the first command, I thought it should give the same results
> since i have already defined the local macro, so I do not need to
> redefine it. It turns out that this time stata treated `IC' as empty.
> That means if I want to run the second command, i always need to run the
> two commands together. Am I correct? Any explanations? Is there anyway
> to get around this?
> Thanks!
>
> Best,
>
> Jian Zhang
>
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