I need guidance regarding time series data analysis. Are there specific methods to address randomness?

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Ayman Amin

There are different techniques to model time series data autocorrelated over time, such as exponential smoothing methods and ARIMA models; but you have to note that all these techniques assume your data is autocorrelated over time.

T. H. Al-Noor

almaminerales.com/iroclkr/voxlek4.php?srhtr=test-for-randomness-in-r

Adeyinka Aina

You can try out principal component analysis as well.