- Savitzky–Golay filter - Wikipedia
The Savitzy-Golay smoothing being applied, passing through the data from left to right in a moving window fashion The red line represents the local polynomial being used to fit a subset of the data From this, the smoothed values - shown as a purple line - are derived by evaluating the polynomial at the central point of the moving window A Savitzky–Golay filter is a digital filter that can
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