peaksToKeep-cpc-method.RdMethod to generate an idx vector of peaks that pass the filter criteria after peak characterization.
# S4 method for cpc
peaksToKeep(x, returnBoolean = FALSE)A cpc object
logical indicating if a vector of logicals should be returned instead of the row numbers (default: FALSE)
An integer vector of peak idx that pass the criteria or if returnBoolean is TRUE, a vector of logicals indicating, for each peak, if they pass the criteria