Hi, I have to perform the hour function on a variable in which observations display like (515, 815, etc.) though it has to be like (5:15, 8:15, etc.). Now how can I insert colon in my observations so that they appear like later ones. i know that i have to change the format of the variable to character then only I can add colon. So please tell me what function I can use to solve this? Thanks!
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