moving window with 30-year data

Hello, I have a matrix of time series data as attached. Time series lengths from 1970-2012. I need to extract moving block of 30-year window from this, with moving a year on every-time step. For example, the first block from 1970-2009, 2nd block 1971-2010, 1972-2011, and so on.

so something like this:

for i=size(unique(matrix(:,1),1)
 30_yrblock = [my timeseries]
 do whatever calculation with 30-year window
Result(i,:) = [];
end

However, I am not sure how to do so. Any help please?

Thanks!

Answer 1

[Steven Lord]

Use the movmean function with the SamplePoints option. See the "Sample Points for Moving Average" example on that documentation page.

Alternately if your data is stored in a timetable use the retime function.

[Poulomi Ganguli]

Thanks but I am not calculating moving average. I need a 30-year moving window.