Hi I have a dataset with two years of data, broken down by minute. Most minutes are accounted for, but some minutes have no data and are missing. I want to fill in these missing minutes and assign them a value of 0. Is there a simple way to do this, perhaps using proc expand? For example, if I have Minute Valule 12:14 1 12:15 7 12:18 9 12:19 4 I would like to expand this to: Minute Value 12:14 1 12:15 7 12:16 0 12:17 0 12:18 9 12:19 4 Thanks for any suggestions.
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