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Formula (not adv. filter) to list unique values from list
Thanks Domenic, works like a charm.
"Domenic" wrote in message ... In article , "Brian" wrote: Howdy all, I have a list of names which appear multiple times in a column with about 20,000 entries. I want to create a list of the unique names on a new sheet, but I don't want to use the advanced filter technique because I want to be able to refresh this list when new data is entered. Thanks for your time and attention! Brian Let's assume that A2:A100 contains the data. Here's two possibilities. The first one uses a helper column and should be more efficient. [Option 1] B1: 0 (Enter a 0 in B1) B2, copied down: =IF(A2<"",IF(ISNA(MATCH(A2,$A$1:A1,0)),LOOKUP(9.9 9999999999999E+307,$B$1 :B1)+1,""),"") D2: =LOOKUP(9.99999999999999E+307,B:B) E2, copied down: =IF(ROWS(E$2:E2)<=$D$2,INDEX($A$2:$A$100,MATCH(ROW S(E$2:E2),$B$2:$B$100,0 )),"") [Option 2] C2, confirmed with CONTROL+SHIFT+ENTER: =SUM(IF(FREQUENCY(IF(A2:A100<"",MATCH("~"&A2:A100 ,A2:A100&"",0)),ROW(A2: A100)-ROW(A2)+1),1)) D2, confirmed with CONTROL+SHIFT+ENTER, and copied down: =IF(ROWS(D$2:D2)<=$C$2,INDEX($A$2:$A$100,SMALL(IF( FREQUENCY(IF($A$2:$A$10 0<"",MATCH("~"&$A$2:$A$100,$A$2:$A$100&"",0)),ROW ($A$2:$A$100)-ROW($A$2) +1),ROW($A$2:$A$100)-ROW($A$2)+1),ROWS(D$2:D2))),"") -- Domenic http://www.xl-central.com |
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