dot-countLET: Count Letters

In wrTopDownFrag: Internal Fragment Identification from Top-Down Mass Spectrometry

Count Letters

Description

Count how many time a given letter occurs in each element of 'seq'

Usage

.countLET(sequ, countCh = "K", silent = FALSE, debug = FALSE, callFrom = NULL)

Arguments

sequ	(character) eg peptide sequence(s)
countCh	(charcter)
silent	(logical) suppress messages
debug	(logical) for bug-tracking: more/enhanced messages and intermediate objects written in global name-space
callFrom	(character) allow easier tracking of message(s) produced

Value

This function returns a numeric vector of counts for 'countCh' (single element !) in each element of 'seq'

See Also

AAfragSettings, makeFragments

Examples

protP2 <- c(mesp="MESPEPTIDES", pepe="PEPEPEP")
.countLET(protP2,"P")

wrTopDownFrag documentation built on June 8, 2025, 1:34 p.m.