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All functions

filter_precursor()
Return the top n values from a vector
filter_topn()
Return the top n values from a vector
filter_xcorr()
Return a spectrum normalized according to xcorr publication
fragments()
Get a table of fragments
id_unqiue()
create a unique id value
index_fragments()
Return the fragment mz vector
index_mass()
Return a mass index.
mass_atomic()
Return the mass of an atom
mass_charged()
Return the charged mass
mass_fragments()
Return the fragment mz vector
mass_ladder()
Return the mass ladder vector
mass_ladder_named()
Convert a peptide string to a named variable
mass_neutral()
Return the neutral mass
mass_neutron()
Return the mass of a neutron
mass_proton()
Return the mass of a proton
mass_residue()
Return the mass of a amino acid residue
model_isotopes()
Convert a peptide string to a named variable
munge_seq()
non-iteratable helper function to clean up comet sequence strings
num_trunc()
truncate a number to a given decimal value
pairwise_delta()
Get the mass of an amino acid
peptide_length()
Return the mass of a peptide sequence
peptide_mass()
Return the mass of a peptide sequence
peptide_xleucine()
Return a I/L substituted sequence
plot_spectrum()
GGplot2 object of a ms2 spectrum
spectrum_accuracy()
Convert a peptide string to a named variable
spectrum_assign()
assign a table of fragment masses to a spectrum data object
spectrum_denoise()
Clean up a mass spectrum to expose only the most abundant peaks
spectrum_extract()
helper function to read in platform specific results
spectrum_isotopes()
Convert a peptide string to a named variable
spectrum_noise()
Convert a peptide string to a named variable
spectrum_simulate()
Convert a peptide string to a named variable
str_clean()
iteratable function to clean up comet sequence strings
str_peptide()
iteratable function to clean up comet sequence strings
str_sequence()
iteratable function to clean up comet sequence strings