New answers tagged

1

In other words, are ACF plots sufficient for determining whether a signal is a white noise? A plot is never sufficient. An impulse-shaped ACF is. (A plot can only ever be an estimate based on observation; to find the true ACF, you'd have to observe the process for infinity, which you can't.) You can only observe that the plot approximates the ideal ACF ...


1

I stumbled across this. http://ataspinar.com/2018/12/21/a-guide-for-using-the-wavelet-transform-in-machine-learning/ hope it helps john


Top 50 recent answers are included