find_2d_peaks           Feature extraction core function
find_peaks_low_res      Find peaks in low-resolution data using the 2D
                        peak finding algorithm
get_qc_features         Generate Quality Control Feature List
get_sfi_params          Quality Control for Mass Spectrometry Data
getidelta               Optimize Delta Retention Time
getmzml                 Read mzML File and Extract m/z, Retention Time,
                        and Intensity
getsff                  Cluster and Pair m/z and Retention Time
                        Features
getsfm                  Generate Sample Feature Matrix (SFM)
getwindow               Determine Optimal Retention Time Window
run_app                 Run sfi Shiny App
sfi                     Demo sfi data
