Data cleansing: how to eliminate inconsistency?

[MIGUEL IPANAQUE]

Good morning, I'm working with a secondary database and I want to eliminate the people who report inconsistency:

That is, if the ages of the people reported by duplicity are different.

Annex dataex example. Thank you for your support.

* Example generated by -dataex-. To install: ssc install dataex
clear
input str7(NAME APELLIDO) float AGE
"JUAN"   "LOPEZ"   10
"MIGUEL" "LOPEZ"   11
"JAIME"  "LOPEZ"   13
"LIZ"    "LOPEZ"   15
"LAURA"  "RAMIREZ" 20
"PIERA"  "RAMIREZ" 20
"LUIS"   "RAMIREZ" 40
"CARLOS" "SANCHEZ" 50
"ARTURO" "SANCHEZ" 33
"DIEGO"  "SANCHEZ" 45
"JANINA" "SANCHEZ" 48
"MIGUEL" "LOPEZ"   13
"JAIME"  "LOPEZ"   13
"DIEGO"  "SANCHEZ" 23
"LUIS"   "RAMIREZ" 30
end

[Nick Cox]

FAQ https://www.stata.com/support/faqs/d...ions-in-group/

[MIGUEL IPANAQUE]

Many thanks, i served a lot of nick