matchms.filtering.remove_peaks_outside_top_k module

matchms.filtering.remove_peaks_outside_top_k.remove_peaks_outside_top_k(spectrum_in: Spectrum, k: int = 6, mz_window: float = 50) Spectrum[source]
Remove all peaks which are not within mz_window of at least one

of the k highest intensity peaks of the spectrum.

Parameters
  • spectrum_in – Input spectrum.

  • k – The number of most intense peaks to compare to. Default is 6.

  • mz_window – Window of mz values (in Da) that are allowed to lie within the top k peaks. Default is 50 Da.