How to convert Excel values into buckets?

Question

I have a set of data in Excel and in one column is a estimate (number of weeks)

I want an Excel formula to bucket it into

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Answer 1

A nice way to create buckets is the LOOKUP() function.

In this example contains cell A1 is a count of days. The vthe second parameter is a list of values. The third parameter is the list of bucket names.

=LOOKUP(A1,{0,7,14,31,90,180,360},{"0-6","7-13","14-30","31-89","90-179","180-359",">360"})