extract numbers from time series
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Johannes Deelstra
on 13 Aug 2018
Commented: Johannes Deelstra
on 13 Aug 2018
Have a time series from 1 to 156. Want to extract the values from 1:6, then from (1+12) : (6+12), etc into a new variable. How to go about.
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Adam Danz
on 13 Aug 2018
Ok. If the numbers are serial date numbers that matlab recognizes, my solution should work well. Otherwise, we'd just need to convert them to a format that Matlab recognizes which should be fairly simple.
Accepted Answer
Adam Danz
on 13 Aug 2018
I don't know what format your dates are in but this can be adapted to any format. I assume your matrix is named 'data' and the dates are in the 5th column.
% Get the month number for each date
monthNum = month(data(:,5));
% Logical index of rows that are between May and October
monthIdx = ismember(monthNum, [5:10]);
% Extract your data for these months
data(monthIdx, :)
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