Sum data based on buckets/edges (SumIF?)
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Ryan Hinrichsen
on 1 Nov 2021
Commented: Ryan Hinrichsen
on 1 Nov 2021
I have a data array containing two columns:
Damage value - corresponding to how much damage occurs at that data point
# cycles - how many cycles occur during the data point
I would like to sum the # of cycles for a given set of bins/edges (not always equally spaced). In Excel this would be a very simple SumIF, albeit across a number of cells to populate a table. I can write the same logic in Matlab, but it requires a loop to check each bin/edge set. Is there an elegant single-line solution, similar to histcounts, that will allow me to pass a series of bins/edges and sum the cells that meet that criteria?
In the attached image, the example input data is on the left and the output data I desire is on the right with the thick border around the cells.
Thanks in advance for your assistance!
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/786113/image.png)
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Accepted Answer
Steven Lord
on 1 Nov 2021
See the groupsummary function. The "Specify Group Bins" example on its documentation page looks very similar to what you want to do.
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