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I am trying to generate PMdist`i' variables, using the following codes

display "************** PM10 distances **************"


forval i=1/12599 {
    display "Attempting to compute distance `i'"

    capture geodist latitude longitude latitude`i' longitude`i' [if] [in], generate(PMdist`i')

    capture replace PMdist`i' = . if (PMdist`i' > 257 & !missing(PMdist`i'))

    capture drop latitude`i' longitude`i'
  }
egen PMmindist = rowmin(PMdist1-PMdist12581)

forval i=1/12599 {

    capture drop PMdist`i'
}

Can anyone tell me why its not working and what is the alternative solution?

Improve this question
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  • $\begingroup$ I think this question is out of scope for this forum. Needs to be related to economics. Whats posted is computer code not related to econ. $\endgroup$
    – Mike J
    Mar 6, 2021 at 10:29
  • 1
    $\begingroup$ @MikeJ actually according the help center: "Software questions: Questions related to software used in economics and econometrics, are on-topic here." Stata is used in economics - perhaps we should narrow the scope of site a bit (I would not be opposed to change it to 'software used in economics and econometrics applied to economic problem' or something else that narrows it down - if you think it is good idea rise the issue on meta), but as our scope is defined now it is on-topic $\endgroup$
    – 1muflon1 ♦
    Mar 6, 2021 at 11:55
  • $\begingroup$ @1muflon1 understood. Thanks for letting me know. $\endgroup$
    – Mike J
    Mar 6, 2021 at 22:12
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    $\begingroup$ How is it not working? What error are you getting and at what line? What exactly is the problem? And what have you tried? $\endgroup$
    – BB King
    Mar 14, 2021 at 1:08

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