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how to fit trend line in time series

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Nurul Ain Basirah Zakaria
Nurul Ain Basirah Zakaria on 22 Mar 2021
Answered: Star Strider on 22 Mar 2021
Hi. I plotted a figure of my time series but I want to calculate and fit in the trend line.
Can I use the polyfit to do this?

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Accepted Answer

Star Strider
Star Strider on 22 Mar 2021
If you have the Statistics and Machine Learning Toolbox, use the refline or refcurve functions. Other options are also linked in those documentation sections.

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