I have a spreadsheet containing where I need to check for duplicate rows where a date in column A and a text item in column D are equal
The first thought is to loop through all items and check each line against this but this will take far too long
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This Article is a follow-up to my Mappit! Addin Article (http://www.experts-exchange.com/A_2613.html), it was inspired by an email posting I made to EUSPRIG (http://www.eusprig.org/index.htm),
I will briefly cover:
1) An overvie…
Approximate matching with VLOOKUP and MATCH seems to me to be a greatly under-used technique, and one which is vital for getting good performance out of large lookups. Until recently I would always have advised using an exact match for simplicity an…