Hi there clever excellents!
I apologise in advance for my ignorance and I have tried to source a solution but, fear that it lies in the INDEX/MATCH blackhole of my knowledge!
I have attached a very basic spreadsheet and have manually completed it but, the spreadsheets that I am working on are much bigger and it is simply not feasible to manually complete them.
I am trying to understand the formula I need to be able to return the previous or next name in a string of names based upon an index number that changes. In the spreadsheet, I have two Indices (2428 and 2429 ) and as these change the names will change and therefore the formula needs to restart. The Current name (Column B) is fixed and I want to be able to see who was before this and who was after this ... obviously at the start/end of an index string there will be no one previous/next and this needs to blank or NA.
I hope I have been clear ... and once again apologise for my ignorance.
Many thanks in advance
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