Latest date of specific columns in excel -

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i have been few days thinking problem in excel , can't seem find solution trying page first time.

the problem follows:

i have set of columns specify name, type , model of different products. in addition have column date released , column says if row latest in specific name, type , model or not (they have same compare dates). wanted automate column have done others don't know start. seems incredibly difficult compared others have done.

sample:

  • title type model date last date?
  • fear low b421 06/04/15 no
  • fear low b421 23/05/15 yes
  • hert medium m12 07/11/14 no

if me appreciate. clue or idea helpful.

ok formula need in e2 this:-

=if(countifs(a$2:a$4,a2,b$2:b$4,b2,c$2:c$4,c2,d$2:d$4,">"&d2),"no","yes")

if data in columns d headers in row 1. pull down e3, e4 etc.

this says:-

'if there matching products later date, can't latest one, put "no" '.

'if there no matching products later date, must latest, put "yes"' (or @ least joint latest, if there 2 or more same date).

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