How do i find repeating sample with different value in data and replace the value with its average?
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Samson David Puthenpeedika
on 12 Feb 2022
Commented: Samson David Puthenpeedika
on 12 Feb 2022
In the file "air.mat" , contains a matrix named data, in which the first column is the energy (MeV) and the second column
represents the connected mass attenuation coefficient.
There is two same energy values with different mass attenuation coefficient. How do i find those same energy values and replace it with the average of the mass attenuation coefficient of both energies.
I tried using unique() but it doesnt give the output that i need i need
x=load("air.mat");
c=unique(x.data(:,1))
This is just removing the repeating energy value from data.
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Accepted Answer
Simon Chan
on 12 Feb 2022
Try this:
T = table(data(:,1),data(:,2),'VariableNames',{'Energy','mass_attentuation_coefficient'});
G = groupsummary(T,"Energy","mean");
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