Hello everyone, Below is made up data, very similiar to data i am working on. This data is created by merging two files, one file with surgery time in and time out and second file has temperature data. And for my analysis i need temperature data for the date of surgery and afterwards. I donot need the pre-op data. Can some one please help me to do it. Only patient is character and else are numeric variables. Id variable is common variable in both files Patient id surgery_in surgery_out date_temp temperature 123 123 . . 4/5/2014 37.0 123 . . 4/6/2014 37.5 123 . . 4/7/2014 37.2 Mary 123 8APR14:07:12:00 8APR14:13:15:00 4/8/2014 37.5 123 . . 4/9/2014 37.2 123 . . 4/10/2014 37.0 123 . . 4/11/2014 37.1 Thanks.
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