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Search options not deleted user 267692

If possible, use a more specific tag, such as [data-transformation], [mgf], [wavelet], or [probability-generating-fn]

3 votes
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Modelling exchange rates: how to log transform percentage changes?

I know I need to log transform and then take negatives as I'm interested in large falls, but it is the log transform that I'm stuck on - Would appreciate any help. …
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