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st: Re: More on passing one value inside a variable to a local macro
I don't believe I am confusing the two -if- (although maybe I am, but I
don't think so).
I want the local macro to take the value of var1 for the same row for which
var2 takes a specific value, say 5 or "Texas". I know a priori that var2
will take that value only once, so macroname will end up containing only one
number coming from var1.
Example, my need is to find a way to do something like passing the GDP of
Texas to a local macro. Inside var1 I have all GDPs for each state and
inside var2 I have the name of all states. Something like this
. local macroname = var1 if var2=="Texas"
where I know a priori that Texas will appear only once in var2.
If I knew a priori that Texas where in the, say, 22nd observation, then I
would just write
. local macroname = var1
and be done with it. But in the ado I am programming "Texas" can appear at
any place. Sorting would not help.
While writing for you what I meant with my work-around I understood why it
does not work. I am not sure that explaining my mistake would help. I think
it would just generate more confusion, so I omit it.
>>> One way of doing this
su var1 if var2 == <value>
local macroname "`r(min)'"
If, as you say, the value is unique, then -summarize- will
return the same value as, say, r(min) or r(max).
An assumption here is that -var1- is not string.
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