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How to reduce the number of data points in a time series data.

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Prince Alex on 5 Apr 2016

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https://uk.mathworks.com/matlabcentral/answers/277204-how-to-reduce-the-number-of-data-points-in-a-time-series-data

Commented: Kurt on 30 May 2023

Accepted Answer: Azzi Abdelmalek

I have an experimental time series data consisting of 1,00,000 data points.Analysis of this long data consuming a lot of time.Is there any method to reduce the data points (say to 10,000 data points only)with out losing the information in the signal.

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Accepted Answer

Azzi Abdelmalek on 5 Apr 2016

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https://uk.mathworks.com/matlabcentral/answers/277204-how-to-reduce-the-number-of-data-points-in-a-time-series-data#answer_216466

Edited: Azzi Abdelmalek on 5 Apr 2016

Use downsample function: http://www.mathworks.com/help/signal/ref/downsample.html

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Prince Alex on 5 Apr 2016

Thank you so much Azzi Abdelmalek

Kurt on 30 May 2023

This requires the Signal Processing Toolbox.

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