Package Exports
- ml-savitzky-golay
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Readme
SavitzkyGolay
Savitzky–Golay filter in Javascript
This code is based in the article: Savitzky, A., & Golay, M. J. E. (1964). Smoothing and Differentiation of Data by Simplified Least Squares Procedures. Analytical Chemistry, 36(8), 1627–1639.
Installation
npm install ml-savitzky-golay
Methods
new SavitzkyGolay(data, dx)
Creates a new Savitzky-Golay filter based in the array of y values(data) and the difference between x dots(dx).
calc([options])
Applies the filter using the current options.
Options
- windSize: The amount of dots used to make the filtering evaluation, the default value is 5.
- deriv: The grade for the derivative, the default value is 1.
- pol: The grade of the polynomial function to use for calculation, the default value is 2.
Test
$ npm install
$ npm test