Hi. I am trying to merge 2 datasets by ID and based on quarterly date range. How can I do this? What I have: ID Date 1111 01/01/2018 2222 04/03/2018 etc etc ID Amount 01/012018-03/31/2018 Amount 04/01/2018-07/30/2018 etc 1111 $1 $2 2222 $3 $4 etc etc etc What I want: ID Date Amount for that period 1111 01/01/2018 $1 2222 04/03/2018 $4
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