MATLAB: Array data to time series data value

time series wavelet

Hi, anybody know how to convert the data in array format to time series format?

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timeseries()

timeseries(data) -- assumes the rows correspond to timepoints 1 second apart

timeseries(data, time) -- number of times should be same as number of rows

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MATLAB: Time-series data

The 'simplest' way to do a series of mean values is to use a for loop with the mean function.

nmean = 50; % Number of values you would like to average at a time
for i = 1:2*length(data)/nmean
    average(i) = mean(data((i-1)*nmean/2:(i-1)*nmean/2+nmean));
end

You may run into an issue with index exceeding matrix dimensions near the end of your data set. If this happens, just reduce the maximum i value by changing the bounds of the loop. If you are not sure how to do that look up the basics of a for loop here.

MATLAB: Plotting time-series data

ts = datetime([1901, 1, 1]) + calmonths(0:size(PET,1)-1).';
plot(ts, PET(:,3))   %for example

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MATLAB: Time-series data

MATLAB: Plotting time-series data

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