Calculate mean from a cell array.
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I am trying to calculate the mean from 1x10 cell array where the array contains matrices of 138x1 dimensions. But the dimensions of all 10 arrays are not the same. So is it possible to calculate mean out of all together the cell arrays having different dimensions? Here I am attaching the file Sum_col.mat from which I want to calculate the mean.
Any help would be really appreciated. Thank you in advance.
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Rik
am 16 Jul. 2021
Two options of what you could mean:
%load your data first
websave('data.mat','https://www.mathworks.com/matlabcentral/answers/uploaded_files/686468/Sum_col.mat');
Sum_col=load('data.mat');Sum_col=Sum_col.Sum_col
%mean of each cell (returning a 1x10 array)
cellfun(@mean,Sum_col)
%mean of every element (returning a 138x1 array)
tmp=Sum_col;max_sz=max(cellfun('prodofsize',tmp));
for n=find(cellfun('prodofsize',tmp)<max_sz)
tmp{n}((end+1):max_sz)=NaN; % fill extra entries with NaN
end
mean(cell2mat(tmp),2,'omitnan')
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