Grouping timestamp Data into 15 min interval with respect date
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Hi, i have a timestamp data of 1 min interval. i want to convert one min data interval into 15 min interval data with respect to date. i have converted the data into table with three different columns. i have attached the sample file
first coulmn = date
second column = time
thrid column = data
the output table should be
Date Time Readings
29-Jan-2019 00:15:00 0
29-Jan-2019 00:30:00 0
29-Jan-2019 00:45:00 0
29-Jan-2019 01:00:00 0
so on
Also the data in the third column should sum the reading for 15 min and then for next 15 min and if there is less than 15 data points (i.e. less than 15 min data) then sum the avalible data points and time (e.g. 14 data points)
Looking forward for your help
Thanks
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