How to take monthly of time series using loop I am having data form each month( having 30/31) data values

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Chris Martin
Chris Martin 2014-9-17
编辑： Andrei Bobrov 2014-9-18
How to take monthly average from each month using loop, and in one year there should be 12 values
  2 个评论
Adam
Adam 2014-9-17
Give an example of what your inputs look like otherwise it is impossible to answer. There aren't any prizes for the shortest "question" statement on the forum!
Chris Martin
Chris Martin 2014-9-18
编辑：Chris Martin 2014-9-18
the time series example is given here..i need mean for every month..and its not only one year daya year also varies...the time series is like year month date valeu1 value 2 like that..I monthly mean such that in one year there is only 12 values...again this is not one year data.... http://www.mathworks.in/matlabcentral/answers/155193-how-to-take-monthly-of-time-series-using-loop

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回答（2 个）

dpb
dpb 2014-9-17
Andrei Bobrov
Andrei Bobrov 2014-9-18
编辑：Andrei Bobrov 2014-9-18
load yourdata.mat
[ym,~,c] = unique(a(:,1:2),'rows');
s = size(a)-[0,3];
ii = repmat(c,s(2),1);
jj = repmat(1:s(2),s(1),1);
out = [ym,accumarray([ii,jj(:)],reshape(a(:,4:end),[],1),[],@mean)];

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