I am looking to add something like a FREQUENCY criteria to this
=IFERROR(INDEX($B$2:$B$5000,MATCH(SUMPRODUCT(LARGE(($E$2:$E$5000=1)*($M$2:$M$5000),ROWS($A$1:A1))),IF(($E$2:$E$5000=1),$M$2:$M$5000),0)),"")
I have my index categories in Col B, and my LARGE in Col M, Col E is just a Month - if...