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user 57256
In signal processing, a filter is a device or process that transforms a signal by selectively choosing specific frequencies and leaving others with appropriate gain or as it is.
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Calculate moving RMS with exponential averaging
This is moving RMS, now how to add exponential averaging in this
df['signal'].rolling(21*24*60).apply(lambda x: np.sqrt(x.mean()))
- 11
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Calculate moving RMS with exponential averaging
n_d = pd.DataFrame((data)**2)
np.sqrt(n_d.ewm(alpha = 1).mean())
- 11