\name{profStep-methods} \docType{methods} %\alias{profStep-methods} %\alias{profStep<--methods} \alias{profStep} \alias{profStep<-} \alias{profStep,xcmsRaw-method} \alias{profStep<-,xcmsRaw-method} \title{Get and set m/z step for generating profile data} \description{ These methods get and set the m/z step for generating profile (matrix) data from raw mass spectral data. Smaller steps yield more precision at the cost of greater memory usage. } \section{Methods}{ \describe{ \item{object = "xcmsRaw"}{ \code{profStep(object)} } }} \seealso{ \code{\link{xcmsRaw-class}}, \code{\link{profMethod}} } \examples{ \dontrun{ library(faahKO) cdfpath <- system.file("cdf", package = "faahKO") cdffiles <- list.files(cdfpath, recursive = TRUE, full.names = TRUE) xset <- xcmsRaw(cdffiles[1]) xset plotSurf(xset, mass=c(200,500)) profStep(xset)<-0.1 ## decrease the bin size to get better resolution plotSurf(xset, mass=c(200, 500)) ##works nicer on high resolution data. } } \keyword{methods} \keyword{manip}