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डेटाफ़्रेम को पिवट कैसे करें खंड और उप खंड के साथ कॉलम में आर
मेरे पास नीचे उल्लेखित डेटाफ्रेम है: structure( list(ID = c("P-1", " P-1", "P-1", "P-2", "P-3", "P-4", "P-5", "P-6", "P-7", "P-8"), Date = c("2020-03-16 12:11:33", "2020-03-16 13:16:04", "2020-03-16 06:13:55", "2020-03-16 10:03:43", "2020-03-16 12:37:09", "2020-03-16 06:40:24", "2020-03-16 09:46:45", "2020-03-16 12:07:44", "2020-03-16 14:09:51", "2020-03-16 09:19:23"), Status = c("SA", "SA", "SA", "RE", "RE", "RE", …