Hi, i need select data from data frame, for example: x is a data frame with values in jump to 5 seconds 12:10:00 51 //one minute 12:10:05 63 12:10:10 75 12:10:15 88 .. 12:10:59 45 12:11:00 46 //another minute 12:11:05 11 .. Have a command what to select the data minute to minute, for example in the example above i need the maximun values minute to minute 1� minute-->88 2� minute--> 46 Thanks Ruben
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