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A window is a fixed-length subset of consecutive observations of a time series. The window is moved along the time series at a constant rate. AKA "rolling window".

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I'm getting "jumpy" loadings in rollapply PCA in R. Can I fix it?

Whenever the plot jumps too much, reverse the orientation. One effective criterion is this: compute the total amount of jumps on all the components. Compute the total amount of jumps if the next eig …
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