Re: st: obs no of max value

[Nick Cox <n.j.cox@stata.com>]

Note that the final statement quoted below is quite false. The 
-generate- statement will record _n in every observation for which the 
-if- condition is satisfied.

A more detailed discussion of the underlying question is found in

SJ-6-4  dm0025  . . . . . . . . . .  Stata tip 36: Which observations? 
Erratum
        . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N. 
J. Cox
        Q4/06   SJ 6(4):596                              (no commands)
        correction of example code for Stata tip 36

SJ-6-3  dm0025  . . . . . . . . . . . . . .  Stata tip 36: Which 
observations?
        . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N. 
J. Cox
        Q3/06   SJ 6(3):430--432                                 (no 
commands)
        tip for identifying which observations satisfy some
        specified condition

Nick
n.j.cox@durham.ac.uk

Ashim Kapoor wrote:


> Suppose I have a variable  " Age". I wish to find out at which
> observation does age have a max at. One way to do this is to write a
> while loop. I think that's horrid.
>
> I guess I could do  : -
>
> egen mAge=max(Age)
>
> gen index=_n if Age==mAge
>
> But this puts the right value of _n only in ONE observation. 
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