Hi,
I have values that are a total sum of all data processed. I need to calculate the daily values from the daily sums.
Running the following search
source=... | timechart span=1d eval(round(latest(USED_SPACE)/1024/1024)) as SpaceTB by Media
produces results like
A B C D
2015-11-06 70.85 298.18 8.76 2.44
2015-11-07 71.28 298.78 8.78 2.44
2015-11-08 71.34 299.38 8.78 2.44
2015-11-09 71.36 299.43 8.78 2.50
..
I need a table that calculates the amount of data that was processed each day. That means to subtract the current value from the value of the previous day for each day (or other SPAN interval).
Results should look like
A B C D
2015-11-06
2015-11-07 0.43 0.6 0.02 0
2015-11-08 0.06 0.6 0 0
2015-11-09 0.02 0.05 0 0.06
..
Any suggestions?
Thank you
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