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

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Prince Alex 2016-4-5

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https://ww2.mathworks.cn/matlabcentral/answers/277204-how-to-reduce-the-number-of-data-points-in-a-time-series-data

评论： Kurt 2023-5-30

采纳的回答： 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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Azzi Abdelmalek 2016-4-5

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编辑：Azzi Abdelmalek 2016-4-5

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

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Prince Alex 2016-4-5

Thank you so much Azzi Abdelmalek

Kurt 2023-5-30

This requires the Signal Processing Toolbox.

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