Despite your positive reply, I don't believe that is what you want.
webuse machine
bysort machine (output) : gen rank = output != output[_n-1]
by machine : replace rank = sum(rank)
seems to be what you are asking for.
Nick
[email protected]
James Cross
Great, thanks!
2008/12/11 David Airey <[email protected]>:
> Seems the unique option does what you describe you need.
>
> clear
> webuse machine.dta
> drop operator
> bysort machine: egen rank = rank(output)
> bysort machine: egen rankf = rank(output), field
> bysort machine: egen rankt = rank(output), track
> bysort machine: egen ranku = rank(output), unique
> sort machine output
> list, clean
> On Dec 11, 2008, at 9:04 AM, James Cross wrote:
>> I have a variable that represents different actors positions on
>> different issues (groups). So I have around 30 positions between 0
and
>> 100 for each individual issue within the variable with quite a few
>> ties. I want to create a variable that ranks these observations in
>> ascending order so that the lowest observation(s) will have a value
of
>> 1 in the new variable, the second lowest observation(s) will have a
>> value of 2 and so on.
>>
>> I have tried -by issue_var: egen newvar = rank(oldvar), track- but
>> this returns a newvar in which the lowest variable is given 1st
>> position, which is fine, but if there are say 3 ties for position 1,
>> the second lowest oldvar is ranked in 4th position rather than 2nd
>> position which is what I need. Any ideas as to how I could create a
>> newvar where ties do not change the rank position of following
>> observations within each group?
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